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Found Publication: 425

2014


H. Asmus, H. Wilms, B. Strelnikov and M. Rapp, On the heterogeneous nucleation of mesospheric ice on meteor smoke particles: Microphysical modeling, J. Atmos. Solar-Terr. Phys., 180-189, doi:10.1016/j.jastp.2014.03.009, 2014.
J. L. Chau, T. Renkwitz, G. Stober and R. Latteck, MAARSY multiple receiver phase calibration using radio sources, J. Atmos. Solar-Terr. Phys., in press, doi:10.1016/j.jastp.2013.04.004, 2014.
J. L. Chau, I. Strelnikova, C. Schult, M. M. Oppenheim, M. C. Kelley, G. Stober and W. Singer, Non-specular meteor trails from non-field-aligned irregularities: Can they be explained by presence of charged meteor dust?, Geophys. Res. Lett., doi:10.1002/2014GL059922, 2014.
J. L. Chau, J. Röttger and M. Rapp, PMSE strength during enhanced D region electron densities: Faraday rotation and absorption effects at VHF frequencies, J. Atmos. Solar-Terr. Phys., in press, doi:10.1016/j.jastp.2013.06.015, 2014.
B. G. Fejer, D. Hui, J. L. Chau and E. Kudeki, Altitudinal dependence of evening Equatorial F region vertical plasma drifts, J. Geophys. Res., accepted, doi:10.1002/2014JA019949, 2014.
J. Fiedler, G. Baumgarten, U. Berger, A. Gabriel, R. Latteck and F.-J. Lübken, On the early onset of the NLC season 2013 as observed at ALOMAR, J. Atmos. Solar-Terr. Phys., in print, 2014.
M. A. Hei, P. A. Bernhardt, C. L. Siefring, M. R. Wilkens, J. D. Huba, J. F. Krall, C. E. Valladares, R. A. Heelis, M. R. Hairston, W. R. Coley, J. L. Chau and C. De La Jara, Radio-tomographic images of post-midnight equatorial plasma depletions, Geophys. Res. Lett., 41, 13-19, doi:10.1002/2013GL056112, 2014.
G. Kishore Kumar, W. Singer, J. Oberheide, N. Grieger, P. P. Batista, D. M. Riggin, H. Schmidt and B. R. Clemesha, Diurnal tides at low latitudes: Radar, satellite, and model results, J. Atmos. Solar-Terr. Phys., in press, doi:10.1016/j.jastp.2013.07.005, 2014.
G. Kishore Kumar, K. Kishore Kumar, W. Singer, C. Zülicke, S. Gurubaran, G. Baumgarten, G. Ramkumar, S. Sathishkumar and M. Rapp, Mesosphere and lower thermosphere zonal wind variations over low latitudes: Relation to local stratospheric zonal winds and global circulation anomalies, J. Geophys. Res., 5913-5927, doi:10.1002/2014JD021610, 2014.
J. P. McCormack, L. Coy and W. Singer, Interseasonal and interannual variability of the quasi-two day wave in the northern hemisphere summer mesosphere, J. Geophys. Res., submitted, 2014.
N. M. Pedatella, H.-L. Liu, F. Sassi, J. Lei, J. L. Chau and X. Zhang, Ionosphere variability during the 2009 SSW: Influence of the lunar semidiurnal tide and mechanisms producing electron density variability, J. Geophys. Res., doi:10.1002/2014JA019849, 2014.
N. M. Pedatella, T. Fuller-Rowell, H. Wang, H. Jin, Y. Miyoshi, H. Fujiwara, H. Shinagawa, H.-L. Liu, F. Sassi, H. Schmidt, V. Matthias and L. Goncharenko, The neutral dynamics during the 2009 sudden stratosphere warming simulated by different whole atmosphere models, J. Geophys. Res., 1306-1324, doi:10.1002/2013JA019421, 2014.
S. Sommer, G. Stober, J. L. Chau and R. Latteck, Geometric considerations of polar mesospheric summer echoes in tilted beams using coherent radar imaging, Adv. Radio Sci., accepted, 2014.
Z. Sternovsky, S. Robertson, S. Dickson, J. Gumbel, J. Hedin, B. Strelnikov, H. Asmus and O. Havnes, In-situ detection of noctilucent cloud particles by the Colorado dust detectors onboard the PHOCUS sounding rocket, J. Atmos. Solar-Terr. Phys., in press, doi:10.1016/j.jastp.2014.01.018, 2014.
G. Stober, V. Matthias, P. Brown and J. L. Chau, Neutral density variation from specular meteor echo observations spanning one solar cycle, Geophys. Res. Lett., Submitted, 2014.

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2013


K. M. Ambili, R. K. Choudhary, J.-P. St.-Maurice and J. L. Chau, Nighttime vertical plasma drifts and the occurence of sunrise undulation at the dip equator: A study using Jicamarca incoherent backscatter radar measurements, Geophys. Res. Lett., 40, 5570-5575, doi:10.1002/2013GL057837, 2013.
H. Asmus, B. Strelnikov and M. Rapp, In situ measurements of charged mesospheric ice particles during the PHOCUS 2011 campaign and comparison of the results with a microphysical model, 489-493, in Thun13, 2013.
C. Baumann, H. Asmus, J. Schumacher, T. Staszak, N. Karow, A. Fencik, P. Schünemann and B. Strelnikov, Measurements of the D-region plasma using active falling plasma probes, 393-397, in Thun13, 2013.
E. Belova, S. Kirkwood, M. Zecha, R. Latteck, H. Pinedo, J. Gumbel and I. Häggström, Multi-radar observations of polar mesosphere summer echoes during the PHOCUS campaign on 21 July 2011, 499-502, in Thun13, 2013.
C. J. Bryers, M. J. Kosch, A. Senior, M. T. Rietveld and W. Singer, A comparison between resonant and non-resonant heating at EISCAT, J. Geophys. Res., 118, 6766-6776, doi:10.1002/jgra.50605, 2013.
J. L. Chau and E. Kudeki, Discovery of two distinct types of equatorial 150 km radar echoes, Geophys. Res. Lett., 40, 4509-4514, doi:10.1002/grl.50893, 2013.
T. Dunker, U.-P. Hoppe, G. Stober and M. Rapp, Development of the mesospheric Na layer at 69° N during the Geminids meteor shower 2010, Ann. Geophys., 31, 61-73, doi:10.5194/angeo-31-61-2013, 2013.
S. Finke, R. Pohlmann, Q. Li, B. Strelnikov, M. Rapp, F.-J. Lübken, J. B. Schumacher and H. Ewald, Compact telemetry system for small satellites ejected from sounding rockets and balloons, 681-684, in Thun13, 2013.
M. Friedrich, K. M. Torkar, U.-P. Hoppe, T.-A. Bekkeng, A. Barjatya and M. Rapp, Multi-instrument comparisons of D-region plasma measurements, Ann. Geophys., 31, 135-144, doi:10.5194/angeo-31-135-2013, 2013.
M. Gerding, M. Kopp, P. Hoffmann, J. Höffner and F.-J. Lübken, Diurnal variation of midlatitude NLC parameters observed by daylight-capable lidar and their relation to ambient parameters, Geophys. Res. Lett., 40, 6390-6394, doi:10.1002/2013GL057955, 2013.
M. Gerding, J. Höffner, P. Hoffmann, M. Kopp and F.-J. Lübken, Noctilucent cloud variability and mean parameters from 15 years of lidar observations at a mid-latitude site (54°N, 12°E), J. Geophys. Res., doi:10.1029/2012JD018319, 2013.
L. Goncharenko, J. L. Chau, P. Condor, A. Coster and L. Benkevitch, Ionospheric effects of sudden stratospheric warming during moderate-to-high solar activity: Case study of january 2013, Geophys. Res. Lett., 40, 4982-4986, doi:10.1002/grl.50980, 2013.
J. Kiliani, G. Baumgarten, F.-J. Lübken, U. Berger and P. Hoffmann, Temporal and spatial characteristics of the formation of strong noctilucent clouds, J. Atmos. Solar-Terr. Phys., 104, 151-166, doi:10.1016/j.jastp.2013.01.005, 2013.
R. Latteck and J. Bremer, Long-term changes of polar mesosphere summer echoes at 69°N, J. Geophys. Res., doi:10.1002/jgrd.50787, 2013.
R. Latteck and J. Bremer, Occurrence frequencies of polar mesosphere summer echoes observed at 69°N during a full solar cycle, Adv. Radio Sci., 327-332, doi:10.5194/ars-11-327-2013, 2013.
Q. Li, B. Strelnikov, M. Rapp, F.-J. Lübken, G. Baumgarten, S. Finke, R. Pohlmann, J.-B. Schumacher and H. Ewald, Active falling sphere for high-resolution measurements of density, temperature, and horizontal winds in the middle atmosphere, 361-366, in Thun13, 2013.
Q. Li and M. Rapp, PMSE-observations with the EISCAT VHF and UHF-radars: Ice particles and their effect on ambient electron densities, J. Atmos. Solar-Terr. Phys., 104, 270-276, doi:10.1016/j.jastp.2012.10.015, 2013.
V. Matthias, P. Hoffmann, A. Manson, C. Meek, G. Stober, P. Brown and M. Rapp, The impact of planetary waves on the latitudinal displacement of sudden stratospheric warmings, Ann. Geophys., 31, 1397-1415, doi:10.5194/angeo-31-1397-2013, 2013.
J. Mielich and J. Bremer, Long-term trends in the ionospheric F2 region with different solar activity indices, Ann. Geophys., 31, 291-303, doi:10.5194/angeo-31-291-2013, 2013.
M. Placke, P. Hoffmann, M. Gerding, E. Becker and M. Rapp, Testing linear gravity wave theory with simultaneous wind and temperature data from the mesosphere, J. Atmos. Solar-Terr. Phys., 93, doi:10.1016/j.jastp.2012.11.012, 2013.
T. Renkwitz, G. Stober, R. Latteck, W. Singer and M. Rapp, New experiments to validate the radiation pattern of the Middle Atmosphere Alomar Radar System (MAARSY), Adv. Radio Sci., 11, 283-289, doi:10.5194/ars-11-283-2013, 2013.
C. Schult, G. Stober, J. L. Chau and R. Latteck, Determination of meteor-head echo trajectories using the interferometric capabilities of MAARSY, Ann. Geophys., 31, 1843-1851, doi:10.5194/angeo-31-1843-2013, 2013.
J. B. Schumacher, H. Ewald, S. Finke, R. Pohlmann, Q. Li, B. Strelnikov, M. Rapp and F.-J. Lübken, High precision drag deceleration measurement system to use onboard active falling spheres, 377-381, in Thun13, 2013.
S. Sommer, G. Stober, C. Schult, M. Zecha and R. Latteck, Investigation of horizontal structures at mesospheric altitudes using coherent radar imaging, Adv. Radio Sci., 11, 319-325, doi:10.5194/ars-11-1-2013, 2013.
G. Stober, S. Sommer, M. Rapp and R. Latteck, Investigation of gravity waves using horizontally resolved radial velocity measurements, Atmos. Meas. Tech., 6, 2893-2905, doi:10.5194/amt-6-2893-2013, 2013.
G. Stober, C. Schult, C. Baumann, R. Latteck and M. Rapp, The Geminid meteor shower during the ECOMA sounding rocket campaign: Specular and head echo radar observations, Ann. Geophys., 31, 473-487, doi:10.5194/angeo-31-473-2013, 2013.
B. Strelnikov, M. Rapp and F.-J. Lübken, In-situ density measurements in the mesosphere/lower thermosphere region with the TOTAL and CONE instruments, in An Introduction to Space Instrumentation, Terra Publishers, K. Oyama, doi:10.5047/isi.2012.001, 2013.
I. Strelnikova and M. Rapp, Statistical characteristics of PMWE observations by the EISCAT VHF radar, Ann. Geophys., 31, 359-375, doi:10.5194/angeo-31-359-2013, 2013.
A. Szewczyk, B. Strelnikov and M. Rapp, In situ density, temperature, and turbulence measurements in the middle atmosphere during PHOCUS 2011, 485-488, in Thun13, 2013.
A. Szewczyk, B. Strelnikov, M. Rapp, I. Strelnikova, G. Baumgarten, N. Kaifler, T. Dunker and U.-P. Hoppe, Simultaneous observations of a mesospheric inversion layer and turbulence during the ECOMA-2010 rocket campaign, Ann. Geophys., 31, 775-785, doi:10.5194/angeo-31-772-2013, 2013.
H. Wilms, M. Rapp, P. Hoffmann, J. Fiedler and G. Baumgarten, Gravity wave influence on NLC: Experimental results from ALOMAR, 69°N, Atmos. Chem. Phys., 13, 11951-11963, doi:10.5194/acp-13-11951-2013, 2013.

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2012


G. Baumgarten, A. Chandran, J. Fiedler, P. Hoffmann, N. Kaifler, J. Lumpe, A. Merkel, C. E. Randall, D. Rusch and G. Thomas, On the horizontal and temporal structure of noctilucent clouds as observed by satellite and lidar at ALOMAR (69N), Geophys. Res. Lett., 39, doi:10.1029/2011GL049935, 2012.
J. Bremer, T. Damboldt, J. Mielich and P. Suessmann, Comparing long-term trends in the ionospheric F2-region with two different methods, J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2011.12.017, 2012.
L. C. Chang, W. E. Ward, S. E. Palo, J. Du, D.-Y. Wang, H.-L. Liu, M. E. Hagan, Y. Portnyagin, J. Oberheide, L. P. Goncharenko, T. Nakamura, P. Hoffmann, W. Singer, P. Batista, B. Clemesha, A. H. Manson, D. M. Riggin, C.-Y. She, T. Tsuda and T. Yuan, Comparison of diurnal tide in models and ground-based observations during the 2005 equinox CAWSES tidal campaign, J. Atmos. Solar-Terr. Phys., 78-79, 19-30, doi:10.1016/j.jastp.2010.12.010, 2012.
J. T. Fentzke, V. Hsu, C. G. M. Brum, I. Strelnikova, M. Rapp and M. Nicolls, D region meteoric smoke and neutral temperature retrieval using the poker flat incoherent scatter radar, Geophys. Res. Lett., 39, L21102, doi:10.1029/2012GL053841, 2012.
M. Friedrich, M. Rapp, T. Blix, U.-P. Hoppe, K. Torkar, S. Robertson, S. Dickson and K. Lynch, Electron loss and meteoric dust in the mesosphere, Ann. Geophys., 1495-1501, doi:10.5194/angeo-30-1495-2012, 2012.
D. C. Fritts, H. Iimura, R. Lieberman, D. Janches and W. Singer, A conjugate study of mean winds and planetary waves employing enhanced meteor radars at Rio Grande, Argentina (53.8°S) and Juliusruh, Germany (54.6°N), J. Geophys. Res., 117, D05117, doi:10.1029/2011JD016305, 2012.
J. Hedin, M. Rapp, M. Khaplanov, J. Stegman and G. Witt, Observations of NO in the upper mesosphere and lower thermosphere during ECOMA 2010, Ann. Geophys., 30, 1611-1621, doi:10.5194/angeo-30-1611-2012, 2012.
M. Kassa, M. Rapp, T. W. Hartquist and O. Havnes, Secondary charging effects due to icy dust particle impacts on rocket payloads, Ann. Geophys., 30, 433-439, 2012.
R. Latteck, W. Singer, M. Rapp, T. Renkwitz and G. Stober, Horizontally resolved structures of radar backscatter from polar mesospheric layers, Adv. Radio Sci., 10, 285-290, doi:10.5194/ars-10-285-2012, 2012.
R. Latteck, W. Singer, M. Rapp, B. Vandepeer, T. Renkwitz, M. Zecha and G. Stober, MAARSY - the new MST radar on Andøya-system description and first results, Radio Sci., doi:10.1029/2011RS004775, 2012.
V. Matthias, P. Hoffmann, M. Rapp and G. Baumgarten, Composite analysis of the temporal development of waves in the polar MLT region during stratospheric warmings, J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2012.04.004, 2012.
M. Rapp, I. Strelnikova, Q. Li, N. Engler and G. Teiser, Charged aerosol effects on the scattering of radar waves from the D-region, in Climate And Weather of the Sun-Earth System (CAWSES): Highlights from a priority program, Springer, F.-J. Lübken, Dordrecht, The Netherlands, doi:10.1007/978-94-007-4348-9, 2012.
M. Rapp, J. M. C. Plane, B. Strelnikov, G. Stober, S. Ernst, J. Hedin, M. Friedrich and U.-P. Hoppe, In situ observations of meteor smoke particles (MSP) during the Geminids 2010: Constraints on MSP size, work function, and composition, Ann. Geophys., 30, 1661-1673, doi:10.5194/angeo-30-1661-2012, 2012.
T. Renkwitz, W. Singer, R. Latteck, G. Stober and M. Rapp, Validation of the radiation pattern of the Middle Atmosphere Alomar Radar System (MAARSY), Adv. Radio Sci., 245-253, doi:10.5194/ars-10-245-2012, 2012.
J. Röttger, N. Engler and M. T. Rietveld, EISCAT's contributions to high latitude ionosphere and atmosphere science within CAWSES in Germany, in Climate And Weather of the Sun-Earth System (CAWSES): Highlights from a priority program, Springer, F.-J. Lübken, Dordrecht, The Netherlands, doi:10.1007/978-94-007-4348-9, 2012.
W. Singer, P. Hoffmann, G. Kishore Kumar, N. J. Mitchell and V. Matthias, Atmospheric coupling by gravity waves: Climatology of gravity wave activity, mesospheric turbulence and their relations to solar activity, in Climate And Weather of the Sun-Earth System (CAWSES): Highlights from a priority program, Springer, F.-J. Lübken, Dordrecht, The Netherlands, doi:10.1007/978-94-007-4348-9, 2012.
G. Stober, R. Latteck, M. Rapp, W. Singer and M. Zecha, MAARSY - the new MST radar on Andøya: First results of spaced antenna and Doppler measurements of atmospheric winds in the troposphere and mesosphere using a partial array, Adv. Radio Sci., 291-298, doi:10.5194/ars-10-291-2012, 2012.
G. Stober, C. Jacobi, V. Matthias, P. Hoffmann and M. Gerding, Neutral air density variations during strong planetary wave activity in the mesopause region derived from meteor radar observations, J. Atmos. Solar-Terr. Phys., 74, 55-63, doi:10.1016/j.jastp.2011.10.007, 2012.

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2011


C.-F. Enell, J. Hedin, J. Stegman, G. Witt, M. Friedrich, W. Singer, G. Baumgarten, B. Kaifler, U.-P. Hoppe, B. Gustavsson, U. Brändström, M. Khaplanov, A. Kero, T. Ulich and E. Turunen, The hotel payload 2 campaign: Overview of NO, O and electron density measurements in the upper mesosphere and lower thermosphere, J. Atmos. Solar-Terr. Phys., 2228-2236, doi:10.1016/j.jastp.2011.01.001, 2011.
S. M. Ernst, S. Skruszewicz, B. Strelnikov and M. Rapp, Absolute calibration of vacuum ultraviolet xenon flash lamps used for photoionization of meteor smoke particles, in Hyeres11, 2011.
J. Fiedler, G. Baumgarten, U. Berger, P. Hoffmann, N. Kaifler and F.-J. Lübken, NLC and the background atmosphere above ALOMAR, Atmos. Chem. Phys., 5701-5717, doi:10.5194/acp-11-5701-2011, 2011.
M. Friedrich, M. Rapp, J. M. C. Plane and K. M. Torkar, Bite-outs and other depletions of mesospheric electrons, J. Atmos. Solar-Terr. Phys., 2201-2211, doi:10.1016/j.jastp.2010.10.018, 2011.
M. Friedrich, M. Rapp, T. Blix, U.-P. Hoppe and K. Torkar, Electron loss and meteoric dust in the mesosphere, in Hyeres11, 2011.
C. Gritzner and M. Rapp, ECOMA and WADIS unravelling the riddles of the middle atmosphere, 12-15, in DLR newsletter, 2011.
M. E. Hervig, M. Rapp, R. Latteck and L. L. Gordley, Observations of mesospheric ice particles from the ALWIN radar and SOFIE, J. Atmos. Solar-Terr. Phys., 2176-2183, doi:10.1016/j.jastp.2010.08.002, 2011.
W. K. Hocking and G. Kishore Kumar, Long term behaviour of the MLT quasi-7-day wave at two radar-sites at northern polar latitudes, J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2011.02.004, 2011.
P. Hoffmann, M. Rapp, W. Singer and D. Keuer, Trends of mesospheric gravity waves at northern middle latitudes during summer, J. Geophys. Res., doi:10.1029/2011JD015717, 2011.
U.-P. Hoppe, M. Friedrich, T. Blix, J. I. Moen, T. A. Bekkeng, K. R. Svenes, Å. Svendsen, M. Rapp and K. Torkar, The charge balance in the presence of meteoric smoke in the upper mesosphere under winter conditions - preliminary results, in Hyeres11, 2011.
K. Hultgren, H. Körnich, J. Gumbel, M. Gerding, P. Hoffmann, S. Lossow and L. Megner, What caused the exceptional mid-latitudinal noctilucent cloud event in July 2009, J. Atmos. Solar-Terr. Phys., 2125-2131, doi:10.1016/j.jastp.2010.12.008, 2011.
H. Iimura, D. C. Fritts, M. Tsutsumi, T. Nakamura, P. Hoffmann and W. Singer, Long-term observations of the wind field in the Antarctic and Arctic mesosphere and lower thermosphere at conjugate latitudes, J. Geophys. Res., 116, D20112, doi:10.1029/2011JD016003, 2011.
C. Jacobi, P. Hoffmann, M. Placke and G. Stober, Some anomalies of mesosphere/lower thermosphere parameters during the recent solar minimum, Adv. Radio Sci., 9, doi:10.5194/ars-9-343-2011, 2011.
N. Kaifler, G. Baumgarten, J. Fiedler, R. Latteck, F.-J. Lübken and M. Rapp, Coincident measurements of PMSE and NLC above ALOMAR (69° N, 16° E) by Radar and Lidar from 1999-2008, Atmos. Chem. Phys., doi:10.5194/acp-11-1355-2011, 2011.
S. Knappmiller, M. Rapp, S. Robertson and J. Gumbel, Charging of meteoric smoke and ice particles in the mesosphere including photoemission and photodetachment rates, J. Atmos. Solar-Terr. Phys., 2212-2220, doi:10.1016/j.jastp.2011.01.008, 2011.
M. Kopp, M. Gerding, J. Höffner, M. Zecha and F.-J. Lübken, Lidar soundings of noctilucent clouds and temperatures during day and night in the summer mid-latitude middle atmosphere, in Hyeres11, 2011.
G. A. Lehmacher, T. D. Scott, M. F. Larsen, S. Bilén, C. L. Croskey, J. D. Mitchell, M. Rapp, F.-J. Lübken and R. L. Collins, The turbopause experiment: Atmospheric stability and turbulent structure spanning the turbopause altitude, Ann. Geophys., 29, 2327-2339, 2011.
Q. Li and M. Rapp, PMSE-observations with the EISCAT VHF and UHF-Radars: Statistical properties, J. Atmos. Solar-Terr. Phys., 73, 944-956, doi:10.1016/j.astp.2010.05.015, 2011.
D. Offermann, P. Hoffmann, P. Knieling, R. Koppmann, J. Oberheide, D.M. Riggin, V. M. Tunbridge and W. Steinbrecht, Quasi 2 day waves in the summer mesosphere: Triple structure of amplitudes and long-term development, J. Geophys. Res., 116, D00P02, doi:10.1029/2010JD015051, 2011.
O. Otto, J. L. Gornall, G. Stober, F. Czerwinski, R. Seidel and U. F. Keyser, High-speed video-based tracking of optically trapped colloids, J. Opt., 13, doi:10.1088/2040-8978/13/4/044011, 2011.
M. Placke, G. Stober and Ch. Jacobi, Gravity wave momentum fluxes in the MLT-Part I: Seasonal variation at Collm (51.3° N, 13.0° E), J. Atmos. Solar-Terr. Phys., 73, 904-910, doi:10.1016/j.jastp.2010.07.012, 2011.
M. Placke, P. Hoffmann, E. Becker, Ch. Jacobi, W. Singer and M. Rapp, Gravity wave momentum fluxes in the MLT-Part II: Meteor radar investigations at high and midlatitudes in comparison with modeling studies, J. Atmos. Solar-Terr. Phys., 73, 911-920, doi:10.1016/j.jastp.2010.05.007, 2011.
M. Rapp, R. Latteck, G. Stober, P. Hoffmann, W. Singer and M. Zecha, First three-dimensional observations of polar mesosphere winter echoes: Resolving space-time ambiguity, J. Geophys. Res., 116, A11307, doi:10.1029/2011JA016858, 2011.
M. Rapp, L. Leitert, R. Latteck, M. Zecha, P. Hoffmann, J. Höffner, U.-P. Hoppe, C. La Hoz and E. V. Thrane, Localized mesosphere-stratosphere-troposphere radar echoes from the E-region at 69° N: Properties and physical mechanism, J. Geophys. Res., 116, A02320, doi:10.1029/2010JA016167, 2011.
M. Rapp, I. Strelnikova, B. Strelnikov, M. Friedrich, J. Gumbel, U.-P. Hoppe, T. Blix, O. Havnes, P. Bracikowski, K. Lynch and S. Knappmiller, Microphysical properties of mesospheric aerosols: An overview of in situ-results from the ECOMA-project, 67-74, in Aeronomy of the Earth's Atmosphere and Ionosphere, Springer Science+Business Media B. V., M. A. Abdu and D. Pancheva and A. Bhattacharyya, IAGA Special Sopron Book Series, doi:10.1007/978-94-007-0326-1-4, 2011.
T. Renkwitz, W. Singer, R. Latteck and M. Rapp, Multi beam observations of cosmic radio noise using a VHF radar with beam forming by a Butler matrix, Adv. Radio Sci., doi:10.5194/ars-9-349-2011, 2011.
A. Senior, M. T. Rietveld, F. Honary, W. Singer and M. J. Kosch, Measurements and modeling of cosmic noise absorption changes due to radio heating of the D-region ionosphere, J. Geophys. Res., A04310, doi:10.1029/2010JA016189, 2011.
W. Singer, R. Latteck, M. Friedrich, M. Wakabayashi and M. Rapp, Seasonal and solar activity variability of D-region electron density at 69° N, J. Atmos. Solar-Terr. Phys., doi:10.1016/j.jastp.2010.09.012, 2011.
G. Stober, W. Singer and Ch. Jacobi, Cosmic radio noise observations using a mid-latitude meteor Radar, J. Atmos. Solar-Terr. Phys., 73, 1069-1076, doi:10.1016/j.jastp.2010.07.018, 2011.
G. Stober, Ch. Jacobi and W. Singer, Meteoroid mass determination from underdense trails, J. Atmos. Solar-Terr. Phys., 73, 895-900, doi:10.1016/j.jastp.2010.06.009, 2011.
B. Strelnikov and M. Rapp, In situ measurements of small-scale structures in neutrals and charged aerosols, 83-91, in Aeronomy of the Earth's Atmosphere and Ionosphere, Springer Science+Business Media B. V., M. A. Abdu and D. Pancheva and A. Bhattacharyya, IAGA Special Sopron Book Series, doi:10.1007/978-94-007-0326-1-6, 2011.
I. Strelnikova and M. Rapp, Majority of PMSE spectral widths at UHF and VHF are compatible with a single scattering mechanism, J. Atmos. Solar-Terr. Phys., 2142-2152, doi:10.1016/j.jastp.2010.11.025, 2011.
A. Szewczyk, B. Strelnikov, G. Baumgarten and M. Rapp, In situ density, temperature, and turbulence measurements in the middle atmosphere during ECOMA 2010, in Hyeres11, 2011.

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2010


G. Baumgarten, J. Fiedler and M. Rapp, On microphysical processes of noctilucent clouds (NLC): Observations and modeling of mean and width of the particle size-distribution, Atmos. Chem. Phys., 10, 6661-6668, 2010.
P. Hoffmann, E. Becker, W. Singer and M. Placke, Seasonal variation of mesospheric waves at northern middle and high latitudes, J. Atmos. Solar-Terr. Phys., 72, 1068-1079, doi:10.1016/j.jastp.2010.07.002, 2010.
R. Latteck, W. Singer, M. Rapp and T. Renkwitz, MAARSY - the new MST Radar on Andøya/ Norway, Adv. Radio Sci., 8, 219-224, doi:10.5194/ars-8-219-2010, 2010.
Q. Li, M. Rapp, J. Röttger, R. Latteck, M. Zecha, I. Strelnikova, G. Baumgarten, M. Hervig, C. Hall and M. Tsutsumi, Microphysical parameters of mesospheric ice clouds derived from calibrated observations of polar mesosphere summer echoes at Bragg wavelengths of 2.8 m and 30 cm, J. Geophys. Res., 115, D00I13, doi:10.1029/2009JD012271, 2010.
Q. Li and M. Rapp, PMSE studied with the EISCAT IS Radars: Results on microphysics, neutral dynamics, and electron densities, in Proceedings of 2010 Asia-Pacific Radio Science Confernce (AP-RASC')10, 22-26 September 2010, Toyana, Japan, 2010.
R. Q. Liu, Ch. Jacobi, P. Hoffmann, G. Stober and E G. Merzlyakov, A piecewise linear model for detecting climatic trends and their structural changes with application to mesosphere/lower thermosphere winds over Collm, Germany, J. Geophys. Res., 115, D22105, doi:10.1029/2010JD014080, 2010.
J. Mielich and J. Bremer, A modified index for the description of the ionospheric short- and long-term activity, Ann. Geophys., 28, 2227-2236, 2010.
D. Offermann, P. Hoffmann, P. Knieling, R. Koppmann, J. Oberheide and W. Steinbrecht, Long-term trends and solar cycle variations of mesospheric temperature and dynamics, J. Geophys. Res., 115, D18127, doi:10.1029/2009JD013363, 2010.
O. Otto, F. Czerwinski, J. L. Gornall, G. Stober, L. B. Oddershede, R. Seidel and U. F. Keyser, Real-time particle tracking at 10,000 fps using optical fiber illumination, Optics Express, 18(22), 2010.
M. Rapp and F.-J. Lübken, Reply to comment by P. M. Bellan on "Comment on 'Ice iron/sodium film as cause for high noctilucent cloud radar reflectivity'", J. Geophys. Res., 115, D13207, doi:10.1029/2010JD014065, 2010.
M. Rapp, I. Strelnikova, B. Strelnikov, P. Hoffmann, M. Friedrich, J. Gumbel, L. Megner, U.-P. Hoppe, S. Robertson, S. Knappmiller, M. Wolff and D. R. Marsh, Rocket-borne in situ measurements of meteor smoke: Charging properties and implications for seasonal variation, J. Geophys. Res., 115, D00I16, doi:10.1029/2009JD012725, 2010.
I. Semenov, P. Papadopoulos, G. Stober and F. Kremer, Ionic concentration- and pH-dependent electrophoretic mobility as studied by single colloid electrophoresis, J. Phys.: Condens. Matter, 22, doi:10.1088/0953-8984/22/49/494109, 2010.
A. Senior, M. T. Rietveld, M. J. Kosch and W. Singer, Diagnostic radio plasma heating in the polar summer mesosphere using cross modulation: Theory and observations, J. Geophys. Res., A09318, doi:10.1029/2010JA015379, 2010.
M.-H. Stevens, D. E. Siskind, S. D. Eckermann, L. Coy, J. P. McCormack, C. R. Englert, K. W. Hoppel, K. Nielsen, A. J. Kochenash, M. E. Hervig, C. E. Randall, J. Lumpe, S. M. Bailey, M. Rapp and P. Hoffmann, Tidally induced variations of polar mesospheric cloud altitudes and ice water content using a data assimilation system, J. Geophys. Res., 115, D18209, doi:10.1029/2009JD013225, 2010.
G. Stober, Ch. Jacobi and D. Keuer, Distortion of meteor count rates due to cosmic radio noise and atmospheric particularities, Adv. Radio Sci., 8, 1-5, 2010.
I. Strelnikova and M. Rapp, Studies of polar mesosphere summer echoes with the EISCAT VHF and UHF Radars: Information contained in the spectral shape., Adv. Space Res., 247-259, doi:10.1016/j.asr.2009.09.007, 2010.
W. E. Ward, J. Oberheide, L. P. Goncharenko, T. Nakamura, P. Hoffmann, W. Singer, L. C. Chang, J. Du, D.-Y Wang, P. Batista, B. Clemesha, A. H. Manson, D. M. Riggin, C.-Y. She, T. Tsuda and T. Yuan, On the consistency of model, ground-based, and satellite observations of tidal signatures: Initial results from the CAWSES tidal campaigns, J. Geophys. Res., 115, D07107, doi:10.1029/2009JD012593, 2010.

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2009


D. Altadill, J. Boska, L. R. Cander, T. Gulyaeva, B. Reinisch, V. Romano, A. Krankowski, J. Bremer, A. Belehaki, I. Stanislawska, N. Jakowski and P. Scotto, Near earth space plasma monitoring under COST 296, Annals of Geophysics, 52(3/4), 221-234, 2009.
G. Baumgarten, J. Fiedler, K. H. Fricke, M. Gerding, M. Hervig, P. Hoffmann, N. Müller, P.-D. Pautet, M. Rapp, C. Robert, D. Rusch, C. von Savigny and W. Singer, The noctilucent cloud (NLC) display during the ECOMA/MASS sounding rocket flights on 3 August 2007: Morphology on global to local scales, Ann. Geophys., 27, 953-965, 2009.
A. Brattli, Ø. Lie-Svendsen, K. Svenes, U.-P. Hoppe, I. Strelnikova, M. Rapp, R. Latteck and M. Friedrich, The ECOMA 2007 campaign: Rocket observations and numerical modelling of aerosol partricle charging and plasma depletion in a PMSE/NLC layer, Ann. Geophys., 27, 781-796, 2009.
J. Bremer, J. Lastovicka, A. V. Mikhailov, D. Altadill, P. Bencze, D. Buresova, G. de Franceschi, Ch. Jacobi, S. Kouris, L. Perrone and E. Turunen, Climate of the upper atmosphere, Annals of Geophysics, 52(3/4), 273-299, 2009.
J. Bremer, P. Hoffmann, R. Latteck, W. Singer and M. Zecha, Long-term changes of (polar) mesosphere summer echoes, J. Atmos. Solar-Terr. Phys., 1571-1576, doi:10.1016/jastp.2009.03.010, 2009.
J.-S. Chen, C.-L.Su, Y.-H. Chu, G. Hassenpflug and M. Zecha, Extended application of a novel phase calibration approach of multiple-frequency range imaging to the Chung-Li and MU VHF Radars, J. Atmos. Ocean. Techn., doi:10.1175/2009JTECHA1295.1, 2009.
J.-S. Chen and M. Zecha, Multiple-frequency range imaging using the OSWIN VHF Radar: Phase calibration and first results, Radio Sci., 44, doi:10.1029/2008RS003916, 2009.
S. D. Eckermann, K. W. Hoppel, L. Coy, J. P. McCormack, D. E. Siskind, K. Nielsen, A. Kochenash, M. H. Stevens, C. R. Englert, W. Singer and M. Hervig, High-altitude data assimilation system experiments for the northern summer mesosphere season of 2007, J. Atmos. Solar-Terr. Phys., 531-551, doi:10.1016/j.jastp.2008.09.036, 2009.
N. Engler, W. Singer, R. Latteck, M. Rapp and B. Strelnikov, A case study of extrem aspect sensitive VHF Radar backscatter in the vicinity of PMSE during the ECOMA 2008 rocket campaign, 117-122, in Reichenhall09, 2009.
J. T. Fentzke, D. Janches, I. Strelnikova and M. Rapp, Meteoric smoke particle properties derived using dual-beam Arecibo UHF observations of D-region spectra during different seasons, J. Atmos. Solar-Terr. Phys., 71, 1982-1991, doi:10.1016/j.jastp.2009.09.002, 2009.
M. Friedrich, K. Torkar, M. Rapp, I. Strelnikova, R. Latteck and T. A. Blix, In situ observations of dying sporadic E-layer, 123-128, in Reichenhall09, 2009.
M. Friedrich and M. Rapp, News from the lower ionosphere: A review of recent developements, Surv. Geophys., 30, 525-559, doi:10.1007/s10712-009-9074-2, 2009.
M. Friedrich, K. M. Torkar, W. Singer, I. Strelnikova, M. Rapp and S. Robertson, Signatures of mesospheric particles in ionospheric data, Ann. Geophys., 27(2), 823-829, 2009.
P. Hoffmann, W. Singer, J. Bremer, E. Becker, D. Keuer, R. Latteck, N. Engler, M. Rapp, O. Zeller and M. Placke, Langjährige Radarbeobachtungen dynamischer Prozesse in der Mesosphäre in mittleren und hohen Breiten, 2, 7-8, in Mitteilungen der Deutschen Meteorologischen Gesellschaft, 2009.
C. Jacobi, C. Arras, D. Kürschner, W. Singer, P. Hoffmann and D. Keuer, Comparison of mesopause region meteor Radar winds, medium frequency Radar winds and low frequency drifts over Germany, Adv. Space Res., 43, 247-252, doi:10.1016/j.asr.2008.05.009, 2009.
D. Keuer, P. Hoffmann and W. Singer, Pulse coding to reduce the influence of man-made noise on MF Radar observations of wind, in London09, 2009.
R. Latteck, W. Singer, M. Rapp and T. Renkwitz, The new MST Radar on Andøya/ Norway, 235-238, in Reichenhall09, 2009.
R. Latteck, W. Singer, M. Rapp and T. Renkwitz, The new MST Radar on Andøya/ Norway, in London09, 2009.
G. A. Lehmacher, M. F. Larsen, S. Bilén, C. L. Croskey, J. D. Mitchell, F.-J. Lübken, M. Rapp and R. Collins, "Where is the turbopause?" rocket campaign: Overview and first results, 69-74, in Reichenhall09, 2009.
Q. Li, M. Rapp, J. Röttger, R. Latteck, M. Zecha and C. Hall, Frequency dependence of PMSE: Results from simultaneous and common volume measurements with EISCAT Radars, in London09, 2009.
F.-J. Lübken, J. Lautenbach, J. Höffner, M. Rapp and M. Zecha, First continuous temperature measurements within polar mesosphere summer echoes, J. Atmos. Solar-Terr. Phys., 453-463, doi:10.1016/j.jastp.2008.06.001, 2009.
R. J. Morris, A. R. Klekociuk, R. Latteck, W. Singer, D. A. Holdsworth and D. J. Murphy, Inter-hemispheric asymmetry in polar mesosphere summer echoes and temperature at 69° latitude, J. Atmos. Solar-Terr. Phys., 464-469, doi:10.1016/j.jastp.2008.09.042, 2009.
D. Petzsch, R. Barth, R. Matschos, R. Steinwehr, R. Püstow, B. Strelnikov and M. Rapp, Mondaro student experiment on the REXUS sounding rocket, 473-8210, in Reichenhall09, 2009.
M. Placke, Ch. Jacobi, P. Hoffmann, W. Singer, E. Becker, M. Rapp and G. Stober, Gravity wave momentum fluxes in the mesosphere/ lower thermosphere at high- and mid- latitudes, in London09, 2009.
M. Rapp, Charging of mesospheric aerosol particles: The role of photodetachment and photoionization from meteoric smoke and ice particles, Ann. Geophys., 27, 2417-2422, 2009.
M. Rapp and F.-J. Lübken, Comment on 'Ice iron/sodium film as cause for high noctilucent cloud Radar reflectivity' by P. M. Bellan, J. Geophys. Res., 114, D11204, doi:10.1029/2008JD011323, 2009.
M. Rapp, I. Strelnikova, B. Strelnikov, R. Latteck, G. Baumgarten, Q. Li, L. Megner, J. Gumbel, M. Friedrich, U.-P. Hoppe and S. Robertson, First in situ measurement of the vertical distribution of ice volume in a mesospheric ice cloud during the ECOMA/MASS rocket-campaign, Ann. Geophys., 27, 755-766, 2009.
M. Rapp and I. Strelnikova, Measurements of meteor smoke particles during the ECOMA-2006 campaign: 1. Particle detection by active photoionization, J. Atmos. Solar-Terr. Phys., 71, 477-485, doi:10.1016/j.jastp.2008.06.002, 2009.
M. Rapp and S. Robertson, Preface: ECOMA/MASS: Aerosol particles near the polar summer mesopause, Ann. Geophys., 27, 2009.
T. Renkwitz, W. Singer and R. Latteck, Study of multibeam ability for the VHF MST ALWIN Radar system, in London09, 2009.
S. Robertson, M. Horányi, S. Knappmiller, Z. Sternovsky, R. Holzworth, M. Shimogawa, M. Friedrich, K. Torkar, J. Gumbel, L. Megner, G. Baumgarten, R. Latteck, M. Rapp, U.-P. Hoppe and M. E. Hervig, Mass analysis of charged aerosol particles in NLC and PMSE during the ECOMA/MASS campaign, Ann. Geophys., 27, 1213-1232, 2009.
I. Semenov, O. Otto, G. Stober, P. Papadopoulos, U. F. Keyser and F. Kremer, Single colloid electrophoresis, Journal of Colloid and Interface Science, 337, 260-264, doi:10.1016/j.jcis.2009.05.017, 2009.
W. Singer, R. Latteck and M. Friedrich, Diurnal and seasonal variability of D-region electron densities at 69° N, in London09, 2009.
W. Singer, N. Swarnalingam, J. M. Wissing, R. Latteck, C. Meek, M.-B. Kallenrode, A. H. Manson, J. Drummond and W. K. Hocking, Longitudinal differences of PMSE strength at high Arctic latitudes, in London09, 2009.
M.-H. Stevens, C. R. Englert, M. Hervig, S. V. Petelina, W. Singer and K. Nielsen, The diurnal variation of polar mesospheric cloud frequency near 55° N observed by SHIMMER, J. Atmos. Solar-Terr. Phys., 401-407, doi:10.1016/j.jastp.2008.10.009, 2009.
G. Stober, W. Singer and C. Jacobi, Evaluation of absolute Radar calibration using cosmic noise (QDC) and simulated signals, in London09, 2009.
B. Strelnikov, M. Rapp, M. Zecha, T. A. Blix, M. Friedrich and T. K. Yeoman, PMSE and E-region plasma instability: In situ observations, J. Atmos. Solar-Terr. Phys., 71, 143-157, doi:10.1016/j.jastp.2008.10.003, 2009.
B. Strelnikov, M. Rapp, I. Strelnikova, R. Latteck, N. Engler, T. A. Blix, U.-P. Hoppe and M. Friedrich, Small-scale structures in neutral and plasma species in the middle atmosphere as observed during the ECOMA rocket campaigns, 105-110, in Reichenhall09, 2009.
B. Strelnikov, M. Rapp, I. Strelnikova, N. Engler and R. Latteck, Small-scale structures in neutrals and charged aerosol particles as observed during the ECOMA/MASS rocket campaign, Ann. Geophys., 27, 1449-1456, 2009.
I. Strelnikova, M. Rapp, B. Strelnikov, G. Baumgarten, R. Latteck, M. Friedrich, U.-P. Hoppe and J. Gumbel, In situ studies of meteor smoke particles in the middle atmosphere during the ECOMA-rocket campaigns, 111-116, in Reichenhall09, 2009.
I. Strelnikova, M. Rapp, B. Strelnikov, G. Baumgarten, A. Brattli, K. Svenes, U.-P. Hoppe, M. Friedrich, J. Gumbel and B. Williams, Measurements of meteor smoke particles during the ECOMA-2006 campaign: 2. Results, J. Atmos. Solar-Terr. Phys., 71, 486-496, doi:10.1016/j.jastp.2008.07.011, 2009.
N. Swarnalingam, W. K. Hocking, W. Singer and R. Latteck, Calibrated measurements of PMSE stregths at three different locations observed with SKiMET Radars and narrow beam VHF Radars, J. Atmos. Solar-Terr. Phys., 71, 1807-1813, doi:10.1016/j.jastp.2009.06.014, 2009.
M. Zecha and J. Röttger, Occurence of polar mesosphere summer echoes at very high latitudes, Ann. Geophys., 27(3), 1331-1342, 2009.
O. Zeller, P. Hoffmann, J. Bremer and W. Singer, Mesosphere summer echoes, temperature, and meridional wind variations at mid- and polar latitudes, J. Atmos. Solar-Terr. Phys., 931-942, doi:10.1016/j.jastp.2009.03.013, 2009.
O. Zeller and J. Bremer, The influence of geomagnetic activity on mesospheric summer echoes in middle and polar latitudes, Ann. Geophys., 27, 831-837, 2009.

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2008


A. Belova, S. Kirkwood, D. Murtagh, N. Mitchell, W. Singer and W. Hocking, Five-day planetary waves in the middle atmosphere from Odin satellite data and ground-based instruments in Northern hemisphere summer 2003, 2004, 2005 and 2007, Ann. Geophys., 26, 3557-3570, 2008.
J. Bremer and D. Peters, Influence of stratospheric ozone changes on long-term trends in the meso- and lower thermosphere, J. Atmos. Solar-Terr. Phys., 70, 1473-1481, doi:10.1016/j.jastp.2008.03.024, 2008.
J. Bremer, Long-term trends in the ionospheric E and F1 regions, Ann. Geophys., 26, 1189-1197, 2008.
J.-S. Chen, P. Hoffmann, M. Zecha and C. H. Hsieh, Coherent Radar imaging of mesosphere summer echoes: Influence of Radar beam pattern and tilted structures on atmospheric echo center, Radio Sci., 43,RS1002, doi:10.1029/2006RS003593, 2008.
N. Engler, W. Singer, R. Latteck and B. Strelnikov, Comparison of wind measurements in the troposphere and mesosphere by VHF/MF Radars and in-situ techniques, Ann. Geophys., 26, 3693-3705, 2008.
P. Hoffmann, M. Rapp, J. Fiedler and R. Latteck, Influence of tides and gravity waves on layering processes in the polar summer mesopause region, Ann. Geophys., 26, 4013-4022, 2008.
N. Jakowski, J. Mielich, C. Borries, L. Cander, A. Krankowski, B. Nava and S. M. Stankov, Large scale ionospheric gradients over Europe observed in October 2003, J. Atmos. Solar-Terr. Phys., 1894-1903, doi:10.1016/j.jastp.2008.03.020, 2008.
J. Laštovička, R. Akmaev, G. Beig, J. Bremer, J. Emmert, C. Jacobi, M. J. Jarvis, G. Nedoluha, Y. I. Portnyagin and T. Ulich, Emerging pattern of global change in the upper atmosphere and ionosphere, Ann. Geophys., 26, 1255-1268, 2008.
R. Latteck, W. Singer, R. J. Morris, W. K. Hocking, D. J. Murphy, D. A. Holdsworth and N. Swarnalingam, Similarities and differences in polar mesosphere summer echoes observed in the Arctic and Antarctica, Ann. Geophys., 26, 2795-2806, 2008.
J. Lautenbach, J. Höffner, F.-J. Lübken and M. Zecha, The thermal structure at the topside and above of polar mesosphere summer echoes over Spitsbergen 78°N, Ann. Geophys., 26, 1083-1088, 2008.
L. Megner, D. E. Siskind, M. Rapp and J. Gumbel, Global and temporal distribution of meteoric smoke: A two-dimensional study, J. Geophys. Res., 113, D03202, doi:10.1029/2007JD009054, 2008.
L. Megner, J. Gumbel, M. Rapp and D. E. Siskind, Reduced meteoric smoke particle density at the summer pole- implications for mesospheric ice particle nucleation, Adv. Space Res., 41(1), 41-49, doi:10.1016/j.asr.2007.09.006, 2008.
H. Nesse, D. Heinrich, B. Williams, U.-P. Hoppe, J. Stadsnes, M. Rietveld, W. Singer, U. Blum, M. I. Sandanger and E. Trondsen, A case study of a sporadic sodium layer observed by the ALOMAR Weber Na Lidar, Ann. Geophys., 26, 1071-1081, 2008.
H. Nilsson, S. Kirkwood, R. J. Morris, R. Latteck, A. Klekociuk, D. J. Murphy, M. Zecha and E. Belova, Simultaneous observations of polar mesosphere summer echoes at two different latitudes in Antarctica, Ann. Geophys., 26, 3783-3792, 2008.
D. Pancheva, P. Mukhtarov, N. J. Mitchell, B. Andonov, E. Merzlyakov, W. Singer, Y. Murayama, S. Kawamura, J. Xiong, W. Wan, W. Hocking, D. Fritts, D. Riggin, C. Meek and A. Manson, Latitudinal wave coupling of the stratosphere and mesosphere during the major stratospheric warming in 2003/2004, Ann. Geophys., 26, 467-483, 2008.
D. Pancheva, P. Mukhtarov, N. J. Mitchell, E. Merzlyakov, A. K. Smith, B. Andonov, W. Singer, W. Hocking, C. Meek, A. Manson and Y. Murayama, Planetary waves in coupling the stratosphere and mesosphere during the major stratospheric warming in 2003/2004, J. Geophys. Res., 113, D12105, doi:10.1029/2007JD009011, 2008.
M. Rapp, I. Strelnikova, R. Latteck, P. Hoffmann, U.-P. Hoppe, I. Häggström and M. Rietveld, Polar mesosphere summer echoes (PMSE) studied at Bragg wavelengths of 2.8 m, 67 cm, and 16 cm, J. Atmos. Solar-Terr. Phys., 70, 947-961, doi:10.1016/j.jastp.2007.11.005, 2008.
W. Singer, R. Latteck and D.A. Holdsworth, A new narrow beam doppler Radar at 3 MHz for studies of the high-latitude middle atmosphere, Adv. Space Res., 41, 1487-1493, doi:10.1016/j.asr.2007.10.006, 2008.
W. Singer, R. Latteck, L. F. Millan, N. J. Mitchell and J. Fiedler, Radar backscatter from underdense meteors and diffusion rates, Earth, Moon and Planets, doi:10.1007/s11038-007-9220-0, 2008.

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2007


T. Chshyolkova, A. H. Manson, C. E. Meek, T. Aaso, S. K. Avery, C. M. Hall, W. Hocking, K. Igarashi, C. Jacobi, N. Makarov, N. Mitchell, Y. Murayama, W. Singer, D. Thorsen and M. Tsutsumi, Polar vortex evolution during Northern Hemispheric winter 2004/05, Ann. Geophys., 25, 1279-1298, 2007.
A. J. Dowdy, R. A. Vincent, M. Tsutsumi, K. Igarashi, Y. Murayama, W. Singer and D. J. Murphy, Polar mesosphere and lower thermosphere dynamics: 1. Mean wind and gravity wave climatologies, J. Geophys. Res., 112, D17104, doi:10.1029/2006JD008126, 2007.
A. J. Dowdy, R. A. Vincent, M. Tsutsumi, K. Igarashi, Y. Murayama, W. Singer, D. J. Murphy and D. M. Riggin, Polar mesosphere and lower thermosphere dynamics: 2. Response to sudden stratospheric warmings, J. Geophys. Res., 112, D17105, doi:10.1029/2006JD008127, 2007.
N. Engler, W. Singer, R. Latteck, B. Strelnikov and F.-J. Lübken, A Comparison of Wind Measurements in the Troposphere and Mesosphere by VHF and MF Radars Together with Other Techniques, 598-602, in Gadanki07, 2007.
M. Gerding, J. Höffner, M. Rauthe, W. Singer, M. Zecha and F.-J. Lübken, Simultaneous observation of noctilucent clouds, mesospheric summer echoes, and temperature at a midlatitude station (54°N), J. Geophys. Res., 112, D12111, doi:10.1029/2006JD008135, 2007.
C. Haldoupis, D. Pancheva, W. Singer, C. Meek and J. MacDougall, An explanation for the seasonal dependence of midlatitude sporadic E layers, J. Geophys. Res., 112, A06315, doi:10.1029/2007JA012322, 2007.
F. Herbort, G. Baumgarten, U. Berger, J. Fiedler, P. Hoffmann and F.-J. Lübken, Tidal structures within the LIMA model, Adv. Space Res., 40, 802-808, doi:10.1016/j.asr.2007.04.061, 2007.
W. K. Hocking, W. Singer, N. Mitchell, B. Fuller, T. Nakamura, S. P. Batista, S. Franke and P. Brown, Experimental Radar Studies of Anisotropic Diffusion of High Altitude Meteor Trails at Multiple Magnetic Declinations, 41-44, in Gadanki07, 2007.
P. Hoffmann, M. Rapp, J. Fiedler and R. Latteck, Influence of Tides and Gravity Waves on Layering Processes in the Polar Summer Mesosphere Region, 178-182, in Gadanki07, 2007.
P. Hoffmann, W. Singer, D. Keuer, W. K. Hocking, M. Kunze and Y. Murayama, Latitudinal and longitudinal variability of mesospheric winds and temperatures during stratospheric warming events, J. Atmos. Solar-Terr. Phys., 69, 2355-2366, doi:10.1016/j.jastp.2007.06.010, 2007.
D. A. Holdsworth, W. G. Elford, R. A. Vincent, I. M. Reid, D. J. Murphy and W. Singer, All-sky interferometric meteor radar meteoroid speed estimation using the Fresnel transform, Ann. Geophys., 25, 385-398, 2007.
D. Keuer, P. Hoffmann, W. Singer and J. Bremer, Long-term variations of the mesospheric wind field at mid-latitudes, Ann. Geophys., 25, 1779-1790, 2007.
P. Kishore, S. P. Namboothiri, K. Igarashi, Y. Murayama, W. Singer and P. Hoffmann, Radar Observations of Quasi 2-Day Wave in the Mlt Region at Poker Flat (65N, 147W) and Andenes (69N, 19E), 673-676, in Gadanki07, 2007.
R. Latteck, W. Singer, S. Kirkwoodand R. Morris, D. Holdsworth and N. Swarnalingam, Absolute calibration of VHF radars using a calibrated noise source and an ultrasonic delay line, 301-305, in Gadanki07, 2007.
R. Latteck, W. Singer, R. J. Morris, D. A. Holdsworth and D. J. Murphy, Observation of polar mesosphere summer echoes with calibrated VHF radars at (69°N) in the Northern and Southern hemispheres, Geophys. Res. Lett., L14805, doi:10.1029/2007GL030032, 2007.
R. Latteck, W. Singer, R. J. Morris, D. J. Murphy, D. A. Holdsworth and W. K. Hocking, Observations of Polar Mesosphere Summer Echoes with absolute calibrated MST radars in the Northern and Southern hemisphere: Interhemispheric similarities and dissimilarities, 153-157, in Gadanki07, 2007.
F.-J. Lübken, W. Singer, R. Latteck and I. Strelnikova, Radar measurements of turbulence, electron densities, and absolute reflectivities during polar mesosphere winter echoes (PMWE), Adv. Space Res., 40, 758-764, doi:10.1016/j.asr.2007.01.015, 2007.
R. J. Morris, A. R. Klekociuk, R. Latteck, W. Singer, D. A. Holdsworth and D. J. Murphy, The First Bipolar Seasonal Investigation of the PMSE Layer near the Latitude 69° as a Function of Mesosphere Temperature and Wind State, 163-167, in Gadanki07, 2007.
P. Mukhtarov, D. Pancheva, B. Andonov, N. J. Mitchell, E. Merzlyakov, W. Singer, W. Hocking, C. Meek, A. Manson and Y. Murayama, Large-scale thermodynamics of the stratosphere and mesosphere during the major stratospheric warming in 2003/2004, J. Atmos. Solar-Terr. Phys., 2338-2354, doi:10.1016/j.jastp.2007.07.012, 2007.
D. Pancheva, W. Singer and P. Mukhatarov, Regional response of the mesosphere-lower thermosphere dynamics over Scandinavia to solar proton events and geomagnetic storms in late October 2003, J. Atmos. Solar-Terr. Phys., 69, 1075-1094, doi:10.1016/j.jastp.2007.04.005, 2007.
S. Raizada, M. Rapp, F.-J. Lübken, J. Höffner, M. Zecha and J. M. C. Plane, The effect of ice particles on the mesospheric potassium layer at Spitsbergen 78°N, J. Geophys. Res., 112, D08307, doi:10.1029/2005JD006938, 2007.
J. Röttger, M. Rapp, J. Trautner, A. Serafimovich and C. Hall, New PMSE Observations with the EISCAT 500-MHz Svalbard Radar and the Sousy 53.5-MHz Svalbard Radar, 136-140, in Gadanki07, 2007.
M. Zecha, N. Engler, F.-J. Lübken and J. Röttger, Charakteristics of Polar Mesosphere Summer Echoes at Very High Latitudes, 147-152, in Gadanki07, 2007.
M. Zecha, J. Bremer and M. Gerding, Several Years Observation of Mid-Latitude Mesosphere Summer Echoes, 141-146, in Gadanki07, 2007.

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2006


A. Brattli, T. A. Blix, Ø. Lie-Svendsen, U.-P. Hoppe, F.-J. Lübken, M. Rapp, W. Singer, R. Latteck and M. Friedrich, Rocket measurements of positive ions during polar mesosphere winter echo conditions, Atmos. Chem. Phys., 6, 5515-5524, 2006.
J. Bremer, L. R. Cander, J. Mielich and R. Stamper, Derivation and test of ionospheric activity indices from real-time ionosonde observations in the European region, J. Atmos. Solar-Terr. Phys., 68, 2075-2090, 2006.
J. Bremer, P. Hoffmann, J. Höffner, R. Latteck, W. Singer, M. Zecha and O. Zeller, Long-term changes of mesospheric summer echoes at polar and middle latitudes, J. Atmos. Solar-Terr. Phys., 68, 1940-1951, doi:10.1016/j.jastp.2006.02.012, 2006.
M. Frioud, M. Gausa, K. Stebel, G. Hansen, C. Myhre, W. Singer, R. Latteck, A. De Frutos, V. Cachorro, C. Toleano and E. Rodriguez, Observations and characterization of aerosols above ALOMAR (69°N) by tropospheric lidar, sun-photometer and VHF radar, 6367, 636705, in Proceedings of the SPIE symposium ''Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing II'', SPIE, Bellingham, WA, U. Singh, doi:10.1117/12.689012, October 2006
P. Hoffmann, A. Serafimovich, D. Peters, P. Dalin, R. Goldberg and R. Latteck, Inertia gravity waves in the upper troposphere during the MaCWAVE winter campaign, part I: Observations with collocated radars, Ann. Geophys., 24, 2851-2862, 2006.
S. Kirkwood, P. Chilson, E. Belova, P. Dalin, I. Häggström, M. Rietveld and W. Singer, Infrasound - the cause of strong polar mesosphere winter echoes?, Ann. Geophys., 24, 475-491, 2006.
J. Laštovička, R. Akmaev, G. Beig, J. Bremer and J. Emmert, Global change in the upper atmosphere, Science, 314, 1253-1254, 2006.
J. Laštovička, A. V. Mikhailov, T. Ulich, J. Bremer, A. G. Elias, N. Ortiz de Adler, V. Jara, R. Abarca del Rio, A. J. Foppiano, E. Ovalle and A. D. Danilov, Long-term trends in foF2: A comparison of various methods, J. Atmos. Solar-Terr. Phys., 68, 1854-1870, 2006.
F.-J. Lübken, B. Strelnikov, M. Rapp, W. Singer, R. Latteck, A. Brattli, U.-P. Hoppe and M. Friedrich, The thermal and dynamical state of the atmosphere during polar mesosphere winter echoes, Atmos. Chem. Phys., 6, 13-24, 2006.
K. Nielsen, M. J. Taylor, P.-D. Pautet, D. C. Fritts, N. Mitchell, C. Beldon, B. P. Williams, W. Singer, F. J. Schmidlin and R. A. Goldberg, Propagation of short-period gravity waves at high-latitudes during the MaCWAVE winter campaign, Ann. Geophys., 24, 1227-1243, 2006.
A. Serafimovich, C. Zülicke, P. Hoffmann, D. Peters, P. Dalin and W. Singer, Inertia gravity waves in the upper troposphere during the MaCWAVE winter campaign, part II: Radar investigations and modelling studies, Ann. Geophys., 24, 2863-2875, 2006.
C. Y. She, B. P. Williams, P. Hoffmann, R. Latteck, G. Baumgarten, J. D. Vance, J. Fiedler, P. Acott, D. C. Fritts and F.-J. Lübken, Simultaneous observation of sodium atoms, NLC and PMSE in the summer mesopause region above ALOMAR, Norway (69°N, 12°E), J. Atmos. Solar-Terr. Phys., 68, 93-101, doi:10.1016/j.jastp.2005.08.014, 2006.
B. Smiley, M. Rapp, T. A. Blix, S. Robertson, M. Horányi, R. Latteck and J. Fiedler, Charge and size distribution of mesospheric aerosol particles measured inside NLC and PMSE during MIDAS MaCWAVE 2002, J. Atmos. Solar-Terr. Phys., 68, 114-123, doi:10.1016/j.jastp.2005.08.009, 2006.
B. Strelnikov, M. Rapp, T. A. Blix, N. Engler, J. Höffner, J. Lautenbach, F.-J. Lübken, B. Smiley and M. Friedrich, In situ observations of small scale neutral and plasma dynamics in the mesosphere/lower thermosphere at 79°N, Adv. Space Res., 38, 2388-2393, 2006.
O. Zeller, M. Zecha, J. Bremer, R. Latteck and W. Singer, Mean characteristics of mesosphere winter echoes at mid- and high-latitudes, J. Atmos. Solar-Terr. Phys., 68, 1087-1104, 2006.

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2005


T. Abe, J. Kurihara, N. Iwagami, S. Nozawa, Y. Ogawa, R. Fujji, M. Kosch, E. Griffin, A. Aruliah, W. Singer, E. Thrane, H. Hayakawa and K. Oyama, Dynamics and energetics in the lower thermosphere in aurora (delta) -japanese sounding rocket campaign-, 601-605, in Sandefjord05, 2005.
A. Belehaki, Lj. Cander, B. Zolesi, J. Bremer, C. Juren, I. Stanislawska, D. Dialetis and M. Hatzopoulos, DIAS project: The establishment of a European digital upper atmosphere server, J. Atmos. Solar-Terr. Phys., 67, 1092-1099, 2005.
A. Brattli, M. Rapp, W. Singer, R. Latteck, M. Friedrich, O. Havnes, T. A. Blix and K. R. Svenes, Rocket observations of positive ions during polar mesosphere winter echo conditions at Andenes in January 2005; First analysis and interpretations, 109-114, in Sandefjord05, 2005.
J. Bremer, Lj. R. Cander, J. Mielich and R. Stamper, Derivation of ionospheric activity indices for the European region from online ionosonde observations, in Online Proc. of the Second European Space Weather Week, 14-18th November 2005, ESA-ESTEC, Noordwijk, The Netherlands, 2005.
J. Bremer, Detection of long-term trends in the mesosphere/lower thermosphere from ground-based radio propagation measurements, Adv. Space Res., 35(8), 1398-1404, 2005.
J. Bremer, Long-term trends in different ionospheric layers, Radio Science Bulletin, 315, 22-32, 2005.
J. Bremer, Trends in der Thermosphäre, Promet, 31(1), 33-34, 2005.
J.-S. Chen, C.-H. Hsieh, P. Hoffmann and M. Zecha, Steep reflectivity structures of mesosphere summer echoes detected by multiple-receiver radar interferometry, Proceedings URSI 2005, XXVIII General Assembly, 24-29 October 2005, New Delhi, India, URSI-COM6-0158, 2005.
N. Engler, R. Latteck and W. Singer, Mesospheric turbulence parameters obtained from co-located VHF and MF radar observations during polar summer, 185-190, in Sandefjord05, 2005.
N. Engler, R. Latteck, B. Strelnikov, W. Singer and M. Rapp, Turbulent energy dissipation rates observed by Doppler MST Radar and by rocket-borne instruments during the MIDAS/MaCWAVE campaign 2002, Ann. Geophys., 23, 1147-1156, 2005.
D. Heinrich, U. Blum, B. Williams, J. Vance, C.-Y. She, W. Singer and U.-P. Hoppe, Observations of wintertime mesopause temperatures with the Alomar Weber Na lidar during winter 2004/05, 133-137, in Sandefjord05, 2005.
P. Hoffmann, M. Rapp, A. Serafimovich and R. Latteck, On the occurrence and formation of multiple layers of polar mesosphere summer echoes, Geophys. Res. Lett., 32, L05812, doi:10.1029/2004GL021409, 2005.
R. Latteck, W. Singer and W. K. Hocking, Measurement of turbulent kinetic energy dissipation rates in the mesosphere by a 3 MHz Doppler radar, Adv. Space Res., 35(11), 1905-1910, 2005.
R. Latteck, W. Singer, S. Kirkwood, L. O. Jönsson and H. Eriksson, Observation of mesosphere summer echoes with calibrated VHF radars at latitudes between 54°N and 69°N in summer 2004, 121-126, in Sandefjord05, 2005.
R. Latteck, W. Singer and W. K. Hocking, Turbulent kinetic energy dissipation rates in the polar mesosphere measured by a 3-MHz doppler radar, 227-232, in Sandefjord05, 2005.
D. Peters, C. Zülicke, P. Hoffmann and M. Gerding, Inertia-gravity waves and their connection to breaking rossby waves (LEWIZ), 116-119, in Results of the German Atmospheric Research Programme AFO-2000, Bonn-Berlin, 2005.
H. Schmidt, G. P. Brasseur, C. Jacobi, K. Fröhlich, E. Merzlyakov, A. Pogoreltsev, K. U. Grossmann, O. Gusev, F.-J. Lübken, M. Zecha, P. Hoffmann, J. Höffner, W. Singer, E. Manzini, M. Charron, M. Giorgetta, A. Kutepov and A. Feofolov, Mesospheric dynamics, energetics and chemistry(MEDEC), Results of the German Atmospheric Research Programme - AFO 2000, 124-130, Federal Ministry of Education and Research, 2005.
A. Serafimovich, P. Hoffmann, D. Peters and V. Lehmann, Investigation of inertia-gravity waves in the upper troposphere/lower stratosphere over northern Germany observed with collocated VHF/UHF radars, Atmos. Chem. Phys., 5, 295-310, 2005.
W. Singer, R. Latteck, P. Hoffmann and J. Bremer, Bodengebundene Radarmethoden zur Untersuchung der mittleren Atmosphäre, Promet, 31(1), 44-49, 2005.
W. Singer, R. Latteck, M. Friedrich, P. Dalin, S. Kirkwood, N. Engler and D. Holdsworth, D-region electron densities obtained by differential absorption and phase measurements with a 3-MHz doppler radar, 233-238, in Sandefjord05, 2005.
W. Singer, U. von Zahn, P. P. Batista, B. Fuller and R. Latteck, Diurnal and annual variations of meteor rates at latitudes between 69°N and 35°S, 151-156, in Sandefjord05, 2005.
W. Singer, R. Latteck, P. Hoffmann, B. P. Williams, D. C. Fritts, Y. Murayama and K. Sakanoi, Tides near the Arctic summer mesopause during the MaCWAVE/MIDAS summer program, Geophys. Res. Lett., 32, L07S90, doi:10.1029/2004GL021607, 2005.
C. Szasz, J. Kero, A. Pellinen-Wannberg, J. D. Mathews, N. J. Mitchell and W. Singer, Latitudinal variations of diurnal meteor rates, Earth, Moon and Planets, doi:10.1007/s11038-005-9007-0, 2005.

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2004


E. Becker, A. Müllemann, F.-J. Lübken, H. Körnich, P. Hoffmann and M. Rapp, High Rossby-wave activity in austral winter 2002: Modulation of the general circulation of the MLT during the MaCWAVE/MIDAS northern summer program, Geophys. Res. Lett., 31, L24S03, doi:10.1029/2004GL019615, 2004.
J. Bremer, Investigations of long-term trends in the ionosphere with world-wide ionosonde observations, Adv. Radio Sci., 2, 253-258, 2004.
J. Bremer, L. Alfonsi, P. Bencze, J. Lastovicka, A. Mikhailov and N. Rogers, Long-term trends in the ionosphere and upper atmosphere parameters, Ann. Geophys., 47(2/3), 1009-1029, 2004.
J.-S. Chen, P. Hoffmann, M. Zecha and J. Röttger, On the relationship between aspect sensitivity, wave activity, and multiple scattering centers of mesosphere summer echoes: A case study using coherent radar imaging, Ann. Geophys., 22, 807-817, 2004.
C. L. Croskey, J. D. Mitchell, R. A. Goldberg, T. A. Blix, M. Rapp, R. Latteck, M. Friedrich and B. Smiley, Coordinated investigation of plasma and neutral density fluctuations and particles during the MaCWAVE/MIDAS summer 2002 program, Geophys. Res. Lett., 31, L24S08, doi:10.1029/2004GL020169, 2004.
P. Dalin, S. Kirkwood, A. Moström, K. Stebel, P. Hoffmann and W. Singer, A case study of gravity waves in noctilucent clouds, Ann. Geophys., 22, 1875-1884, 2004.
R. A. Goldberg, D. C. Fritts, B. P. Williams, F.-J. Lübken, M. Rapp, W. Singer, R. Latteck, P. Hoffmann, A. Mann, G. Baumgarten, F. J. Schmidlin, C.-Y. She and D. A. Krueger, The MacWAVE/MIDAS rocket and ground-based measurement of polar summer dynamics: Overview and mean state structure, Geophys. Res. Lett., 31, L24S02, doi:10.1029/2004GL019411, 2004.
W.K. Hocking, W. Singer, J. Bremer, N.J. Mitchell, P. Batista, B. Clemesha and M. Donner, Meteor radar temperatures at multiple sites derived with SKiYMET radars and compared to OH, rocket and lidar measurements, J. Atmos. Solar-Terr. Phys., 66, 585-593, 2004.
J. Lastovicka and J. Bremer, An overview of long-term trends in the lower ionosphere below 120 km, Surv. Geophys., 25(1), 69-99, 2004.
R. Latteck, W. Singer, N.J. Mitchell, J. Weiss and U. von Zahn, High resolution radar observations of the 1999, 2000 and 2001 Leonid meteor storms over middle Europe and Northern Scandinavia, Adv. Space Res., 33, 1496-1500, doi:101016/j.asr2003.06.002, 2004.
F.-J. Lübken, M. Zecha, J. Höffner and J. Röttger, Temperatures, polar mesosphere summer echoes, and noctilucent clouds over Spitsbergen (78°N), J. Geophys. Res., 109, D11203, doi:10.1029/2003JD004247, 2004.
A. H. Manson, C. E. Meek, C. M. Hall, S. Nozawa, N. J. Mitchell, D. Pancheva, W. Singer and P. Hoffmann, Mesopause dynamics from the Scandinavian triangle of radars within the PSMOS-DATAR project, Ann. Geophys., 22, 367-386, 2004.
D. Pancheva, J. Mitchell, A. H. Manson, C. E. Meek, Ch. Jacobi, Y. Portnyagin, E. Merzlyakov, W.K. Hocking, J. MacDougall, W. Singer, K. Igarashi, R.R. Clark, D.M. Riggin, S.J. Franke, D. Kürschner, A.N. Fahrutdinova, A.M. Stepanov, B.L. Kashcheyev and A. N. Oleynikov, Variability of the quasi-2-day wave observed in the MLT region during the PSMOS campaign of June-August 1999, J. Atmos. Solar-Terr. Phys., 66, 539-565, 2004.
D. Peters, C. Zülicke, P. Hoffmann and A. Serafimovich, Inertia-gravity waves and their connection to breaking rossby waves (LEWIZ), AFO-Newsletter, 8, 15-18, 2004.
Y. Portnyagin, T. Solovjona, E. Merzlyakov, J. Forbes, S. Palo, D. Ortland, W. Hocking, J. MacDougall, T. Thayaparan, A. Manson, C. Meek, P. Hoffmann, W. Singer, N. Mitchell, D. Pancheva, K. Igarashi, Y. Murayama, C. Jacobi, D. Kürschner, A.N. Fahrutdinova, D. Korotyshkin, R. Clark, M. Taylor, S. Franke, D. Fritts, T. Tsuda, T. Nakamura, S. Gurubaran, R. Rajaram, R. Vincent, S. Kovalam, P. Batista, G. Poole, S. Malinga, G. Fraser, D. Murphy, D. Riggin, T. Aso and M. Tsutsumi, Mesosphere / lower thermosphere prevailing wind model, Adv. Space Res., 34(8), 1755-1762, 2004.
Y. Portnyagin, T. Solovjona, N. A. Makarov, E. G. Merzlyakov, A. H. Manson, C. E. Meek, W. Hocking, N. Mitchell, D. Pancheva, P. Hoffmann, W. Singer, Y. Murayama, K. Igarashi, J. M. Forbes, S. Palo, C. Hall and S. Nozawa, Monthly mean climatology of the prevailing winds and tides in the Arctic mesosphere/lower thermosphere, Ann. Geophys., 22, 3395-3410, 2004.
H. Schmidt, G. P. Brasseur, C. Jacobi, K. Fröhlich, E. Merzlyakov, A. Pogoreltsev, K. U. Grossmann, O. Goussev, F.-J. Lübken, M. Zecha, P. Hoffmann, J. Höffner, W. Singer, E. Manzini, M. Charron, M. Giorgetta, A. A. Kutepov and A. Feofilov, Mesospheric dynamics, energetics and chemistry (MEDEC), AFO-Newsletter, 7, 3-7, 2004.
A. Schöch, G. Baumgarten, D. C. Fritts, P. Hoffmann, A. Serafimovich, L. Wang, P. Dalin, A. Müllemann and F. J. Schmidlin, Gravity waves in the troposphere and stratosphere during the MaCWAVE/MIDAS summer rocket program, Geophys. Res. Lett., 31, L24S04, doi:10.1029/2004GL019837, 2004.
G. G. Shepherd, J. Stegman, W. Singer and R.G. Roble, Equinox transition in wind and airglow observations, J. Atmos. Solar-Terr. Phys., 66, 481-491, 2004.
W. Singer, U. von Zahn and J. Weiß, Diurnal and annual variations of meteor rates at the arctic circle, Atmos. Chem. Phys., 4, 1355-1363, 2004.
W. Singer, J. Bremer, J. Weiß, W.K. Hocking, J. Höffner, M. Donner and P. Espy, Meteor radar observations at middle and arctic latitudes Part 1: Mean temperatures, J. Atmos. Solar-Terr. Phys., 66, 607-616, doi:10.1016/j.jastp.2004.01.012, 2004.

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2003


G. Beig, P. Keckhut, R. P. Lowe, R. Roble, M. G. Mlynczak, J. Scheer, V. Fomichev, D. Offermann, W. J. R. French, M. G. Shepherd, A. I. Semenov, E. E. Remsberg, C. Y. She, F.-J. Lübken, J. Bremer, B. R. Clemesha, J. Stegman, F. Sigernes and S. Fadnavis, Review of mesospheric temperature trends, Rev. Geophys., 41(4), 1015, doi:10.1029/2002RG000121, 2003.
K. Bekkelund, M. Gausa, R. Latteck and S. Marple, Enhanced support for sounding rockets at Andøya Rocket Range - present status and future for the ALOMAR instrumentation, ESA SP-530, 233-234, in Gallen03, B. Warmbein, 2003.
T. A. Blix, J. K. Bekkeng, R. Latteck, F.-J. Lübken, M. Rapp, A. Schöch, W. Singer, B. Smiley and B. Strelnikov, Rocket probing of PMSE and NLC-Results from the recent MIDAS/MaCWAVE campaign, Adv. Space Res., 31(9), 2061-2067, doi:10.1016/S0273-1177, May 2003
J. Bremer, Long-term trends in the ionosphere and upper atmosphere parameters - Results derived in the WP1.5 of the COST 271 project, in Proceedings of the 3rd COST 271 workshop, Spetses, Greece, 23-25 September 2003, 2003.
J. Bremer, Mesospheric temperature trends at mid-latitudes derived from LF radio propagation experiments, Adv. Space Res., 32, 1653-1662, doi:10.1016/S0273-1177(03)00668-9, 2003.
J. Bremer, P. Hoffmann, R. Latteck and W. Singer, Seasonal and long-term variations of PMSE from VHF radar observations at Andenes, Norway, J. Geophys. Res., 108(D8), 8438, doi:10.1029/2002JD002369, 2003.
R.A. Goldberg, D.C. Fritts, B.P. Williams, F.J. Schmidlin, C.L. Croskey, J.D. Mitchell, F.-J. Lübken, M. Rapp, W. Singer, R. Latteck, T.A. Blix, M. Friedrich, S. Kirkwood, N. Mitchell and K. Fricke, The MacWAVE program to study gravity wave forcing of the polar mesosphere during summer and winter, 345-350, in Gallen03, 2003.
P. Hoffmann, M. Rapp, R. Latteck, A. Serafimovich and W. Singer, Multiple layer PMSE structures: Statistical results from six years of PMSE observations and possible physical explanations of their observed properties, ESA SP-530, 315-320, in Gallen03, B. Warmbein, 2003.
R. Latteck, W. Singer and N. Engler, Application of the dual-beam width method to a narrow beam MF radar for estimation of turbulent spectral width, in Peru03, 2003.
R. Latteck, W. Singer and N. Engler, Estimation of spectral width using the dual-beam width method with a narrow beam MF radar, ESA SP-530, 339-343, in Gallen03, B. Warmbein, 2003.
F.-J. Lübken, M. Rapp and P. Hoffmann, Reply to comment by J. Klostermeyer on "Neutral air turbulence and temperatures in the vicinity of polar mesosphere summer echoes" by F.-J. Lübken, M. Rapp, and P. Hoffmann, J. Geophys. Res., 108(D11), 4331, doi:10.1029/2003JD003512, 2003.
F.-J. Lübken and J. Bremer, Trends in der oberen Atmosphäre, Traditio et Innovatio, 8(1), 40-43, 2003.
D. Peters, P. Hoffmann and M. Alpers, On the appearence of inertia-gravity waves on the north-easterly side of an anticyclone, 103-106, in 14th Conference on Atmospheric and Oceanic Fluid Dynamics, 9-13 June 2003, San Antonio, Texas, 2003.
D. Peters, P. Hoffmann and M. Alpers, On the appearence of inertia-gravity waves on the north-easterly side of an anticyclone, Meteorol. Z., 12(1), 25-35, 2003.
M. Rapp, F.-J. Lübken, P. Hoffmann, R. Latteck, G. Baumgarten and T. Blix, PMSE dependence on aerosol charge number density and aerosol size, J. Geophys. Res., 108(D8), 8441, doi:10.1029/2002JD002650, 2003.
D.M. Riggin, C.K. Meyer, D.C. Fritts, M.J. Jarvis, Y. Murayama, W. Singer, R.A. Vincent and D.J. Murphy, MF radar observations of seasonal variability of semidiurnal motions in the mesosphere at high northern and southern latitudes, J. Atmos. Solar-Terr. Phys., 65, 483-493, 2003.
A. Serafimovich, P. Hoffmann, V. Lehmann and P. Dalin, Observations of inertia-gravity waves using two radars, 17-19, in Proceedings of the 6th International Symposium on Tropospheric Profiling: Needs and Technologies, Leipzig, Germany, 14-20 September 2003, 2003.
W. Singer, R. Latteck, D. A. Holdsworth and T. Kristiansen, A new narrow beam MF radar at 3 MHz for studies of the high-latitude middle atmosphere: System description and first results, in Peru03, 2003.
W. Singer, J. Bremer, W. K. Hocking, J. Weiß, R. Latteck and M. Zecha, Temperature and wind tides around the summer mesopause at middle and Arctic latitudes, Adv. Space Res., 31(9), 2055-2060, doi:10.1016/S0273-1177(03)00228-X, 2003.
B. Smiley, S. Robertson, M. Horányi, T. Blix, M. Rapp, R. Latteck and J. Gumbel, Measurement of positively and negatively charged particles inside PMSE during MIDAS SOLSTICE 2001, J. Geophys. Res., 108(D8), 8444, doi:10.1029/2002JD002425, 2003.
B. Smiley, M. Rapp, T. Blix, S. Robertson, M. Horányi and R. Latteck, Measuring the charge and size distribution of charged aerosol particles inside PMSE and NLC, 537-542, in Gallen03, 2003.
M. Zecha, J. Röttger, F.-J. Lübken, J. Höffner, C. Fricke-Begemann and A. Müllemann, PMSE, NLC and temperature observation during the ROMA-2001 campaign, in Peru03, 2003.
M. Zecha, J. Bremer, R. Latteck, W. Singer and P. Hoffmann, Properties of midlatitude mesosphere summer echoes after three seasons of VHF radar observations at 54°N, J. Geophys. Res., 108(D8), 8439, doi:10.1029/2002JD002442, 2003.
M. Zecha, J. Bremer and P. Hoffmann, Results of several years MSE observation at Kühlungsborn 54°N, in Peru03, 2003.
S. P. Zhang, J. E. Salah, N. Mitchell, W. Singer, Y. Murayama, R. R. Clark, A. van Eyken and J. Thayer, Responses of the mesospheric wind at high latitudes to the April 2002 space storm, Geophys. Res. Lett., 30(23), 2225, doi:10.1029/2003GL018521, 2003.

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2002


J. Bremer and U. Berger, Mesospheric temperature trends derived from ground-based LF phase-hight observations at mid-latitudes: Comparison with model simulations, J. Atmos. Solar-Terr. Phys., 64, 805-816, 2002.
J. Bremer and J. Lastovicka, Trends in the ionospheric D and E regions using results of different radio propagation experiments, in Proceedings of the 2nd COST 271 Workshop, Faro, Portugal, 2-4 October 2002, 2002.
N. Grieger, E. M. Volodin, G. Schmitz, P. Hoffmann, A. H. Manson, D. C. Fritts, K. Igarashi and W. Singer, General circulation model results on migrating and nonmigrating tides in the mesosphere and lower thermosphere. Part I: Comparison with observations, J. Atmos. Solar-Terr. Phys., 64, 897-911, 2002.
P. Hoffmann, W. Singer and D. Keuer, Variability of the mesospheric wind field at middle and Arctic latitudes in winter and its relation to stratospheric circulation disturbances, J. Atmos. Solar-Terr. Phys., 64, 1229-1240, 2002.
F.-J. Lübken, J. Höffner, C. Fricke-Begemann, A. Müllemann, M. Zecha and J. Röttger, Mesospheric Layers and Temperatures at Spitsbergen, 78°N, 45, 97-114, in Proceedings of the ``Mesospheric Clouds'' meeting, British Astronomical Association, M. Gadsden and N. James, Burlington House, Piccadilly, London, W1J 0DU, U. K., Memoirs of the British Astronomical Association, 2002.
F.-J. Lübken, M. Rapp and P. Hoffmann, Neutral air turbulence and temperatures in the vicinity of polar mesosphere summer echoes, J. Geophys. Res., 107(D15), 4273, doi:10.1029/2001JD000915, 2002.
A. Manson, C. Meek, J. Stegman, P. Espy, R. Roble, Ch. Hall, P. Hoffmann and Ch. Jacobi, Springtime Transitions in Mesopause Airglow and Dynamics: Photometer and MF Radar observations in the Scandinavian and Canadian sectors, J. Atmos. Solar-Terr. Phys., 64, 1131-1146, 2002.
A. Müllemann, M. Rapp, F.-J. Lübken and P. Hoffmann, In situ measurements of mesospheric turbulence during spring transition of the Arctic mesosphere, Geophys. Res. Lett., 29(10), doi:10.1029/2002GL014841, 2002.
J. Oberheide, G. A. Lehmacher, D. Offermann, K. U. Grossmann, A. H. Manson, C. E. Meek, F. J. Schmidlin, W. Singer, P. Hoffmann and R. A. Vincent, Geostrophic wind fields in the stratosphere and mesosphere from satellite data, J. Geophys. Res., 107(D23), 8175, doi:10.1029/2001JD000655, 2002.
D. Pancheva, J. Mitchell, M. E. Hagan, A. H. Manson, C. E. Meek, Y. Luo, Ch. Jacobi, D. Kürschner, R. R. Clark, W. K. Hocking, J. MacDougall, G. O. L. Jones, R. A. Vincent, I. M. Reid, W. Singer, K. Igarashi, G. I. Fraser, T. Nakamura, T. Tsuda, Y. Portnyagin, E. Merzlyakov, A. N. Fahrutdinova, A. M. Stepanov, L. M. G. Poole, S. B. Malinga, B. L. Kashcheyev, A. N. Oleynikov and D. M. Riggin, Global-scale tidal structure in the mesosphere and lower thermosphere during the PSMOS campaign of June-August 1999 and comparisons with the global scale wave model, J. Atmos. Solar-Terr. Phys., 64, 1011-1035, 2002.
D. Pancheva, E. Merzlyakov, J. Mitchell, Yu. Portnyagin, A. H. Manson, Ch. Jacobi, C. E. Meek, Y. Luo, R. R. Clark, W. K. Hocking, J. MacDougall, H.G. Muller, D. Kürschner, G. O. L. Jones, R. A. Vincent, I. M. Reid, W. Singer, K. Igarashi, G. I. Fraser, A. N. Fahrutdinova, A. M. Stepanov, L. M. G. Poole, S. B. Malinga, B. L. Kashcheyev and A. N. Oleynikov, Global-scale tidal variability during the PSMOS campaign of June-August 1999: Interaction with planetary waves, J. Atmos. Solar-Terr. Phys., 64, 1865-1896, 2002.
M. Rapp, J. Gumbel, F.-J. Lübken and R. Latteck, D region electron number density limits for the existence of polar mesosphere summer echoes, J. Geophys. Res., 107(D14), 4187, doi:10.1029/2001JD001323, 2002.

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2001


J. Bremer, T. Hansen, P. Hoffmann and R. Latteck, Dependence of polar mesosphere summer echoes on solar and geomagnetic activity, Adv. Space Res., 28(7), 1071-1076, 2001.
J. Bremer and U. Berger, Long Term Trends in the Meso- and Lower Thermosphere, 127-133, in Long term changes and trends in the atmosphere, New Age International Limited Publishers, G. Beig, New Delhi, 2001.
J. Bremer, Trends in the thermosphere derived from global ionosonde observations, Adv. Space Res., 28, 997-1006, 2001.
R. A. Goldberg, R. F. Pfaff, R. H. Holzworth, F. J. Schmidlin, H. D. Voss, A. J. Tuzzolino, C. L. Croskey, J. D. Mitchell, M. Friedrich, D. Murtagh, G. Witt, J. Gumbel, U. von Zahn, W. Singer and U.-P. Hoppe, DROPPS: A study of the polar summer mesosphere with rocket, radar and lidar, Geophys. Res. Lett., 28, 1407-1410, 2001.
R. A. Goldberg, R. F. Pfaff, R. H. Holzworth, F. J. Schmidlin, H. D. Voss, A. J. Tuzzolino, C. L. Croskey, J. D. Mitchell, M. Friedrich, D. Murtagh, G. Witt, J. Gumbel, U. von Zahn, W. Singer and U.-P. Hoppe, The DROPPS mission: A study of the polar summer mesosphere with rocket, radar and lidar, ESA-SP 471, 157-164, in Biarritz01, B. Warmbein, Eur. Space Agency, Spec. Publ., 2001.
R. A. Goldberg, R. F. Pfaff, R. H. Holzworth, F. J. Schmidlin, H. D. Voss, A. J. Tuzzolino, C. L. Croskey, J. D. Mitchell, M. Friedrich, D. Murtagh, G. Witt, J. Gumbel, U. von Zahn, W. Singer and U.-P. Hoppe, The DROPPS program to study the polar summer mesosphere, Adv. Space Res., 28(7), 1037-1046, 2001.
O. Havnes, A. Brattli, T. Aslaksen, W. Singer, R. Latteck, T. Blix, E. Thrane and J. Trøim, First common volume observations of layered plasma structures and polar mesospheric summer echoes by rocket and radar, Geophys. Res. Lett., 28, 1419-1422, 2001.
R. H. Holzworth, R. F. Pfaff, R. A. Goldberg, S. R. Bounds, F. J. Schmidlin, H. D. Voss, A. J. Tuzzolino, C. L. Croskey, J. D. Mitchell, G. von Cossart, W. Singer, U.-P. Hoppe, D. Murtagh, G. Witt, J. Gumbel and M. Friedrich, Large Electric Potential Perturbations in PMSE During DROPPS, Geophys. Res. Lett., 28, 1435-1438, 2001.
R. Latteck and W. Singer, Charakteristics of polar mesosphere summer echoes during the MIDAS/DROPPS/MINIDUSTY campaign at Andenes, Norway in July 1999, ESA-SP 471, 177-182, in Biarritz01, B. Warmbein, Eur. Space Agency, Spec. Publ., 2001.
R. Latteck and W. Singer, Multi-beam radar observations of polar mesosphere summer echoes during the MIDAS/DROPPS/MINIDUSTY campaign at Andenes, Norway in July 1999, Adv. Space Res., 28(7), 1065-1070, 2001.
F.-J. Lübken, M. Rapp and P. Hoffmann, Turbulence and temperatures in the upper summer mesosphere related to polar mesosphere summer echoes, ESA-SP 471, 171-176, in Biarritz01, B. Warmbein, Eur. Space Agency, Spec. Publ., 2001.
E. G. Merzlyakov, Y. I. Portnyagin, C. Jacobi, N. J. Mitchell, H. G. Muller, A. H. Manson, A. N. Fachrutdinova, W. Singer and P. Hoffmann, On the longitudinal structure of the transient day-to-day variation of the semidiurnal tide in the mid-latitude lower thermosphere- I. Winter season, Ann. Geophys., 19, 545-562, 2001.
A. Müllemann, M. Rapp, F.-J. Lübken and P. Hoffmann, Insitu measurements of mesospheric turbulence during spring transition, ESA-SP 471, 121-126, in Biarritz01, B. Warmbein, Eur. Space Agency, Spec. Publ., 2001.
R. Pfaff, R. Holzworth, R. Goldberg, H. Freudenreich, H. Voss, C. Croskey, J. Mitchell, J. Gumbel, S. Bounds, W. Singer and R. Latteck, Rocket probe observations of electric field irregularities in the polar summer mesosphere, Geophys. Res. Lett., 28, 1431-1434, 2001.
W. Singer, N. J. Mitchell and J. Weiß, Radar observations of the 1999 and 2000 leonid meteor storms at middle Europe and northern Scandinavia, 221-225, in Meteoroid01, 2001.
W. Singer and R. Latteck, Studies of the aspect sensitivity of polar mesosphere summer echoes using spectral width and spatial correlation methods, ESA-SP 471, 183-188, in Biarritz01, B. Warmbein, Eur. Space Agency, Spec. Publ., 2001.
M. Zecha, J. Röttger, W. Singer, P. Hoffmann and D. Keuer, Scattering properties of PMSE irregularities and refinement of velocity estimates, J. Atmos. Solar-Terr. Phys., 63, 201-214, 2001.

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2000


J. Bremer, P. Hoffmann and T. L. Hansen, Geomagnetic control of polar mesosphere summer echoes, Ann. Geophys., 18, 202-208, 2000.
J. Bremer, Trends in der Meso- und Thermosphäre, 72-80, in Klimastatusbericht, Verlag Deutscher Wetterdienst, Offenbach, 2000.
S. Kirkwood, K. Stebel, J.-E. Kyllonen, W. Singer, R. Latteck and N. Mitchell, A comparison between waves in noctilucent clouds and radar observations of waves, winds and wind shears at the Arctic mesopause, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar (MST9), SCOSTEP Secret., Toulouse, France, 88 -91, 2000.
R. Latteck, R. Rüster, W. Singer, J. Roettger, P. B. Chilson and V. Barabash, Comparison of polar mesosphere summer echos observed with the ALWIN MST radar at 69°N, the SOUSY-SVALBARD-RADAR at 78°N, and the ESRAD radar at 68°N in summer 1999, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar (MST9), SCOSTEP Secret., Toulouse, France, 100-103, 2000.
W. Singer, P. Hoffmann, R. Latteck, F.-J. Lübken, U. von Zahn and C. M. Hall, Intercomparison of common volume wind observations by radars and rocket-borne methods in the Arctic summer mesosphere, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar (MST9), SCOSTEP Secret., Toulouse, France, 113-116, 2000.
W. Singer, P. Hoffmann, N. J. Mitchell and C. Jacobi, Mesospheric and lower thermospheric winds at middle Europe and northern Scandinavia during the Leonid 1999 meteor storm, Earth, Moon and Planets, 82-83, 565-574, 2000.
W. Singer, P. Hoffmann, R. Latteck, K. Schulz-Schöllhammer and M. Zecha, MST Radar Observations of the Troposphere and Lower Stratosphere at Andenes, Norway in Winter 1998/99, Stratospheric ozone 1999, Air pollution research report 73, Saint Jean de Luz, France, 586-589, European Commission, Brussels, N. R. P. Harris and M. Guirlet and G. T. Amanatiolis, 2000.
W. Singer, S. Molau, J. Rendtel, D. J. Asher, N. J. Mitchell and U. von Zahn, The 1999 Leonid meteor storm: Verification of rapid activity variations by observations at three sites, Mon. Not. R. Astron. Soc., 318, L25-L29, 2000.
M. Zecha, J. Röttger, W. Singer, P. Hoffmann and D. Keuer, Scattering properties of PMSE irregularities from Doppler beam and spaced antenna observations, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar (MST9), SCOSTEP Secret., Toulouse, France, 117-120, 2000.
M. Zecha, W. Singer, P. Hoffmann, D. Keuer and J. Röttger, Simultaneous spaced antenna and Doppler beam observations of the polar summer mesosphere, Proceedings of the Ninth International Workshop on Technical and Scientific Aspects of MST Radar (MST9), SCOSTEP Secret., Toulouse, France, 121-124, 2000.

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1999


J. Bremer, D. Keuer, D. Kürschner, P. Hoffmann, R. Schminder and W. Singer, Auswirkungen geomagnetischer Stürme in der mittleren Atmosphäre, Kleinheubacher Berichte, 42, 71-77, 1999.
J. Bremer, Long-term trends in ionospheric plasma parameters over Europe, 289-295, in ElArenosillo99, R. Hanbaba and B. de la Morena, 1999.
J. Bremer, Long-term trends of ionospheric change - summary of results and future tasks, 138-141, in Funchal99, A. Veron, 1999.
J. Bremer, Post storm effects in ionospheric radio propagation, 55-64, in ElArenosillo99, R. Hanbaba and B. de la Morena, 1999.
K.-H. Fricke, K. P. Müller, M. Serwazi, J. Reichardt, S. Kirkwood, A. Steen, P. Hoffmann, H. Mehrtens, A. Hauchecorne, F. Fierli, U. P. Hoppe and G. Hansen, Observations of dynamically induced polar stratospheric clouds in the lee of the Scandinavian mountain ridge, Proc. of the European workshop on mesoscale processes in the stratosphere, Air Pollution Research Report 69, Bad Tölz, Germany, 81-86, European Commission, Brussels, K. S. Carslaw and G. T. Amanatides, 1999.
P. Hoffmann, G. von Cossart and W. Singer, Dynamical influences on PMSE and NLC derived from Radar and Lidar measurements at ALOMAR, 305-308, in Potsdam99, B. Kaldeich-Schürmann, 1999.
P. Hoffmann, W. Singer and J. Bremer, Mean seasonal and diurnal variations of PMSE and winds from 4 years of radar observations at ALOMAR, Geophys. Res. Lett., 26, 1525-1528, 1999.
P. Hoffmann, W. Singer, D. Keuer and K. Schulz-Schöllhammer, Observations of 3D Winds and Waves in the Tropopause Region above Northern Norway with the ALOMAR SOUSY Radar during Winter 1996/97, Proc. of the European workshop on mesoscale processes in the stratosphere, Air Pollution Research Report 69, Bad Tölz, Germany, 121-126, European Commission, Brussels, K. S. Carslaw and G. T. Amanatides, 1999.
C. H. Jacobi, Y. I. Portnyagin, T. V. Solovjova, P. Hoffmann, W. Singer, A. N. Fahrutdinova, R. A. Ishmuratov, A. G. Beard, N. J. Mitchell, H. G. Muller, R. Schminder, D. Kürschner, A. H. Manson and C. E. Meek, Climatology of the semidiurnal tide at 52-56°N from ground-based radar wind measuremends 1985-1995, J. Atmos. Solar-Terr. Phys., 61, 975-991, 1999.
C. H. Jacobi, Y. I. Portnyagin, T. V. Solovjova, P. Hoffmann, W. Singer, B. L. Kashcheyev, A. N. Oleynikov, A. N. Fahrutdinova, R. N. Solntsev, A. G. Beard, N. J. Mitchell, H. G. Muller, R. Schminder and D. Kürschner, Mesopause region semidiurnal tide over Europe as seen from ground-based wind measurements, Adv. Space Res., 24, 1545-1548, 1999.
Ch. Kremp, U. Berger, P. Hoffmann, D. Keuer and G. Sonnemann, Seasonal variation of middle latitudes wind fields of the mesopause region - a comparison between observation and model calculation, Geophys. Res. Lett., 26, 1279-1282, 1999.
J. Lastovicka, D. Pancheva, D. Altadill, E. A. Benediktov, J. Boska, J. Bremer, M. Dick, K. Igarashi, P. Mlch, B. A. de la Morena, Z. T. Rapoport, V. A. Vyakhirev, B. O. Vugmeister, X. Zhang and B. Zolesi, Ionospheric measurements during the CHRISTA/MAHRSI campaign: Their implications and comparison with previous campaigns, Ann. Geophys., 17, 1040-1052, 1999.
R. Latteck and A. Ahrens, Empfängerstrategien für die Datenübertragung über Funkwellenkanäle am Beispiel des Kurzwellenkanals, Frequenz, 53, No. 9-10, 210-215, 1999.
R. Latteck, W. Singer and J. Höffner, Mesosphere Summer Echoes as observed by VHF Radar at Kühlungsborn 54°N, Geophys. Res. Lett., 26, 1533-1536, 1999.
R. Latteck, W. Singer and H. Bardey, The ALWIN MST radar - technical design and performance, 179-184, in Potsdam99, B. Kaldeich-Schürmann, 1999.
Y. I. Portnyagin, E. G. Merzlyakov, C. Jacobi, N. J. Mitchell, H. G. Muller, A. H. Manson, W. Singer, P. Hoffmann and A. N. Fachrutdinova, Some results of S-transform analysis of the transient planetary-scale wind oscillations in the lower thermosphere, Earth Plan. Space, 51, 711-117, 1999.
W. Singer, P. Hoffmann, U. von Zahn, F.-J. Lübken and A. Müllemann, Observations of mesospheric winds by VHF and MF radars and foil cloud experiments during the TRAMP campaign 1997, 275-279, in Potsdam99, B. Kaldeich-Schürmann, 1999.
W. Singer and J. Bremer, Testing of empirical D-region electron density models by comparison with radio wave propagation data, 105-109, in Funchal99, A. Veron, 1999.
U. von Zahn and J. Bremer, Simultaneous and common-volume observations of noctilucent clouds and polar mesosphere summer echoes, Geophys. Res. Lett., 26, 1521-1524, 1999.

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1998


J. Bremer, Post storm effects in middle and subauroral latitudes, Adv. Space Res., 22, 837-840, 1998.
J. Bremer, Trends in the ionospheric E and F regions over Europe, Ann. Geophys., 16, 986-996, 1998.
J. Fiedler, U. von Zahn, J. Bremer, P. Hoffmann and K. H. Fricke, Simultaneous and common- volume observations of NLC and PMSE above Andenes, Norway since 1994, 138, in Proc. 24th Ann Europ. Meet. Atm. Stud. Opt. Methods, ISBN 82-994583-0-7, 1998.
K.-H. Fricke, K. P. Müller, M. Serwazi, J. Reichardt, S. Kirkwood, A. Steen, P. Hoffmann, H. Mehrtens, A. Hauchecorne, F. Fierli, U. P. Hoppe and G. Hansen, Wind generated polar stratospheric clouds: The case of January 16, 1997, above Northern Scandinavia, 66, 127-130, in Air Pollution Research Report, N. R. P. Harris and I. Kilbane-Dawe and G. T. Amanatides, 1998.
P. Hoffmann, W. Singer, G. von Cossart, D. Rees, G. Schmidt and N. D. Lloyd, Comparison of tropo-/lower stratospheric winds obtained with the ALOMAR Sousy radar and the ALOMAR lidar doppler wind system, 266-269, in WorkMST98, 1998.
P. Hoffmann, W. Singer, D. Keuer and R. Rüster, Leewaves and winds in the tropo-/lower stratosphere as observed with the ALOMAR SOUSY Radar at northern Norway during winter 1996/1997, 66, 40-42, in Air Pollution Research Report, N. R. P. Harris and I. Kilbane-Dawe and G. T. Amanatides, 1998.
D. Keuer and P. Hoffmann, Direct Doppler shift measurements using FM-CW-technique, 298-301, in WorkMST98, 1998.
R. Latteck, Entzerrung von Kurzwellenkanälen, 67-70, in SympME98, 1998.
D. Rees, U. von Zahn, W. Singer, G. von Cossart, G. Nelke, K. H. Fricke, R. Rüster, W. Eriksen and N. D. Lloyd, Observations of winds in the arctic stratosphere by the ALOMAR Doppler wind and temperature system, 122-128, in Proc. 24th Ann Europ. Meet. Atm. Stud. Opt. Methods, ISBN 82-994583-0-7, 1998.
J. Röttger, C. J. Pan, W. Singer and P. Czechowsky, On the possibility to study troposphere-stratosphere exchange with ST radar, 212-215, in WorkMST98, 1998.
W. Singer, P. Hoffmann, S. Wong, F.-J. Lübken, U. von Zahn and R. Rüster, Common-volume observations of mesospheric winds by MF and VHF radars and rockets at the ALOMAR facility, Norway, in summer 1997, 270-273, in WorkMST98, 1998.
W. Singer, Editor's preface of COSPAR meeting C4.1 "E- and D- region Physics and Modelling", Adv. Space Res., 21, 857, 1998.

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1997


J. Bremer, Long-term trends in the meso- and thermosphere, Adv. Space Res., 20, 2075-2083, 1997.
J. Bremer, R. Schminder, K. M. Greisiger, P. Hoffmann, D. Kürschner and W. Singer, Solar cycle dependence and long-term trends in the wind fields of the mesosphere/lower thermosphere, J. Atmos. Terr. Phys., 59, 497-509, 1997.
W. Deng, J. E. Salah, R. R. Clark, S. J. Franke, D. C. Fritts, P. Hoffmann, D. Kuerschner, A. H. Manson, C. E. Meek, D. Murphy, T. Nakamura, S. E. Palo, D. M. Riggin, R. G. Roble, R. Schminder, W. Singer, T. Tsuda, R. A. Vincent and Q. Zhon, Coordinated global radar observations of tidal and planetary waves in the mesopause and lower thermosphere during 20-30 January 1993, J. Geophys. Res., 102, 7307-7318, 1997.
K.H. Fricke, M. Serwazi, S. Kirkwood, A. Steen, P. Hoffmann, A. Hauchecorne and U.P. Hoppe, Lee wave modification of polar stratospheric clouds at the Scandinavian mountain ridge (lwpsc), 71-74, in European Stratospheric Ozone Research 1996-97, G.T. Amanatidis and N.R.P. Harris, 1997.
P. Hoffmann, W. Singer, D. Keuer, J. Bremer and R. Rüster, Mean diurnal variations of PMSE as measured with the ALOMAR SOUSY radar during summer 1996, ESA SP-397, 471-476, in Oeland97, B. Kaldeich-Schürmann, 1997.
C. Jacobi, R. Schminder, D. Kürschner, J. Bremer, K.-M. Greisiger, P. Hoffmann and W. Singer, Long-term trends in the mesopause wind field obtained from LF D1 wind measurements at Collm, Germany, Adv. Space Res., 20, 2085-2088, 1997.
J. Laštovička, D. Buresova, J. Boska, J. Bremer and F. Märcz, Do CRISTA experiment/campaign data represent a typical situation or not?, Studia geoph. et geod, 41, 171-180, 1997.
S. E. Palo, M. E. Hagan, C. E. Meek, R. A. Vincentand M. D. Burrage, C. McLandress, S. J. Franke, W. E. Ward, R. R. Clark, P. Hoffmann, R. Johnson, D. Kürschner, A. H. Manson, D. Murphy, T. Nakamura, Yu. I. Portnyagin, J. E. Salah, R. Schminder, W. Singer, T. Tsuda, T. S. Virdi and Q. Zhou, An intercomparison between the GSWM UARS and ground based radar observations: A case study in January 1993, Ann. Geophys., 15, 1123-1141, 1997.
W. Schminder, D. Kürschner, W. Singer, P. Hoffmann, D. Keuer and J. Bremer, Repräsentative Höhen-Zeit-Schnitte des hochatmosphärischen Windfeldes über Mitteleuropa 1990-1996, Kleinheubacher Berichte, 41, 195-203, 1997.
W. Schminder, D. Kürschner, W. Singer, P. Hoffmann, D. Keuer and J. Bremer, Representative height-time cross-sections of the upper atmosphere wind field over Central Europe 1990-1996, J. Atmos. Solar-Terr. Phys., 59, 2177-2184, 1997.
R. Schminder, Ch. Jacobi, D. Kürschner, P. Hoffmann, D. Keuer and W. Singer, The upper mesosphere and lower thermosphere wind field over Central Europe from 1994 through 1996 obtained from a joint analysis of LF windprofiler and MF radar measurements, Meteorol. Z., N.F. 6, 225-229, 1997.
W. Singer, P. Hoffmann, C.-J. Pan and P. Czechowsky, Observations of a frontal passage, a jet stream and the variability of the tropopause above Northern Norway using the ALOMAR SOUSY radar and radiosondes, 338-341, in Proc. COST-76 Profiler Workshop, H. Richner, 1997.
W. Singer, D. Keuer and W. Eriksen, The ALOMAR MF radar: Technical design and first results, ESA SP-397, 101-104, in Oeland97, B. Kaldeich-Schürmann, 1997.
W. Singer, D. Keuer, P. Hoffmann, P. Czechowsky and G. Schmidt, The development of spaced antenna and doppler capabilities with the ALOMAR SOUSY VHF radar, 135-138, in Proc. COST-76 Profiler Workshop, H. Richner, 1997.
K. Stebel, P. Chilson, V. Barabash, S. Kirkwood, A. Réchou, T. Savitskaia, P. Hoffmann, W. Singer and G. Schmidt, MST-radar leewave observations during winter 1996/97 in northern Scandinavia, ESA SP-397, 179-183, in Oeland97, B. Kaldeich-Schürmann, 1997.

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1996


J. Bremer, L. Laštovička and Y. Tulunay, Influence of the interplanetary magnetic field on the variability of the mid-latitude F2-layer, Annali di Geofisica, 39, 721-727, 1996.
J. Bremer, P. Hoffmann, A.H. Manson, C. E. Meek, R. Rüster and W. Singer, PMSE observations at three different frequencies in Northern Europe during summer 1994, Ann. Geophys., 14, 1317-1327, 1996.
J. Bremer, P. Hoffmann, W. Singer, C.E. Meek and R. Rüster, Simultaneous PMSE observations with ALOMAR SOUSY and EISCAT-VHF radar during ECHO-94 campaign, Geophys. Res. Lett., 23, 1075-1078, 1996.
J. Bremer, The influence of high speed plasma streams on the ionospheric plasma, J. Atmos. Terr. Phys., 58, 845-854, 1996.
J. Bremer, The mean solar magnetic field as an indicator of the IMF, Annali di Geofisica, 39, 713-720, 1996.
M. Burrage, W. R. Skinner, D. A. Gell, P. B. Hays, A. R. Marshall, D. A. Ortland, A. H. Manson, S. J. Franke, D. C. Fritts, P. Hoffmann, C. McLandress, R. Niciejewski, F. J. Schmidlin, G. G. Shepherd, W. Singer, T. Tsuda and R. A. Vincent, Validation of mesosphere and lower thermosphere winds from the high resolution doppler imager on UARS, J. Geophys. Res., 101, 10365-10392, 1996.
G. von Cossart, P. Hoffmann, U. von Zahn, P. Keckhut and A. Hauchecorne, Mid-latitude noctilucent cloud observations by lidar, Geophys. Res. Lett., 23, 2919-2922, 1996.
P. Czechowsky, R. Rüster, W. Singer and P. Hoffmann, Turbulent structures in the polar mesopause region, 256-256, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.
P. Hoffmann, W. Singer, D. Keuer, R. Rüster, P. Czechowsky, C. E. Meek, F.-J. Lübken and M. Burrage, Comparison of winds as measured by different techniques during the ECHO-94 campaign, 166-169, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.
D. Keuer, W. Singer and P. Hoffmann, MF Radar wind measurements at 3.18 MHz using the FM-CW technique, 419-421, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.
B. Khattatov, M. Geller, V. Yudin, P. Hays, W.Skinner, M.D. Burrage, S. Franke, D. Fritts, J. Isler, A. Manson, C. Meek, R. McMurray, W. Singer, P. Hoffmann and R. Vincent, Dynamics of the mesosphere and lower thermosphere as seen by MF radars and by HRDI/UARS, J. Geophys. Res., 101, 10393-10404, 1996.
C. E. Meek, A. H. Manson, S. J. Franke, W. Singer, P. Hoffmann, R. R. Clark, T. Tsuda, T. Nakamura, M. Tsutsumi, M. Hagan, D. C. Fritts, J. Isler and Y. I. Portnyagin, Global study of northern hemisphere quasi-2-day wave events in recent summers near 90 km altitude, J. Atmos. Terr. Phys., 58, 1401-1411, 1996.
C. E. Meek, P. Hoffmann, T. Holmboe and P. Czechowsky, The appearance of polar mesosphere summer echoes (PMSE) in MF radar data - A comparison between Tromsø MF parameters and ALOMAR VHF signal strength, 278-281, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.
V. Nussbaumer, K. H. Fricke, M. Langer, W. Singer and U. von Zahn, First simultaneous and common volume observations of noctilucent clouds and polar mesosphere summer echoes by lidar and radar, J. Geophys. Res., 101, 19161-19167, 1996.
R. Rüster, P. Czechowsk, P. Hoffmann and W. Singer, Gravity wave signatures at mesopause heights, Ann. Geophys., 14, 1186-1191, 1996.
R. Rüster, P. Czechowsky, P. Hoffmann and W. Singer, Gravity wave signatures at mesopause heights, 58-61, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.
W. Singer, D. Keuer, P. Hoffmann, P. Czechowsky and G. Schmidt, The ALOMAR SOUSY radar: Technical design and further developments, 473-476, in Proc. 7th Workshop Techn. and Scient. Aspects of MST Radar, B. Edwards, 1996.

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1995


J. Bremer, Investigations of the ionospheric plasma, in The Schirmacher Oasis, Queen Maud Land, East Antarctica, and its surroundings, Ergänzungsheft 289, 350-355, in Petermanns Geographische Mitteilungen, Justus Perthes Verlag Gotha, P. Bormann and D. Fritzsche, 1995.
J. Bremer, W. Singer, D. Keuer, P. Hoffmann, J. Röttger, J. Y. N. Cho and W. Swartz, Observations of polar mesosphere summer echoes at EISCAT during summer 1991, Radio Sci., 30, 1218-1219, 1995.
M. D. Burrage, W. R. Skinner, D. A. Gell, P. B. Hays, A. R. Marshall, D. A. Ortland, A. H. Manson, S. J. Franke, D. C. Fritts, P. Hoffmann, C. McLandress, R. Niciejewski, F. J. Schmidlin, G. G. Shepherd, W. Singer, T. Tsuda and R. A. Vincent, Validation of mesosphere and lower thermosphere winds from the high resolution doppler imager on UARS, J. Geophys. Res., 1995.
P. Hoffmann, J. Bremer, W. Singer, R. Rüster and A. H. Manson, PMSE observations with the ALOMAR-SOUSY radar and the EISCAT VHF radar during summer 1994, ESA SP-370, 73-79, in Lillehammer95, B. Kaldeich-Schürmann, 1995.
P. Hoffmann and H.-R. Vatterrott, Visualisierung atmosphärischer Radarinformationen unter Echt-Zeit-Bedingungen, in Space and Time in Environmental Information Systems, part II, 659-666, in Proc. 9th Intern. Symp. Computer Science for Environment Protection, Metropolis-Verlag, Marburg, 1995.
F.-J. Lübken, K.-H. Fricke, M. Langer, P. Hoffmann, W. Singer, B. Inhester and G. Witt, Simultaneous measurements of noctilucent clouds, polar mesosphere echoes, and the temperature near the mesopause, ESA SP-370, 61-66, in Lillehammer95, B. Kaldeich-Schürmann, 1995.
R. Rüster, P. Czechowsky, P. Hoffmann and W. Singer, First results of mesospheric structures and dynamics observed with the ALOMAR-SOUSY radar, ESA SP-370, 67-71, in Lillehammer95, B. Kaldeich-Schürmann, 1995.
R. Schminder, D. Kürschner, W. Singer, P. Hoffmann and D. Keuer, Höhen-Zeit-Schnitte von Grund- und Gezeitenwindparametern in der oberen Mesopausenregion über Mitteleuropa nach Messungen in Collm und Juliusruh, Ann. der Meteorologie, 31, 90-91, 1995.
W. Singer, D. Keuer, P. Hoffmann, P. Czechowsky and G. Schmidt, The ALOMAR-SOUSY radar: Technical design and further developments, ESA SP-370, 409-415, in Lillehammer95, B. Kaldeich-Schürmann, 1995.

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1994


J. Bremer, W. Singer, D. Keuer, P. Hoffmann and J. Röttger, PMSE Beobachtungen mit EISCAT im Sommer 1991, Kleinheubacher Berichte, 37, 473-482, 1994.
J. Bremer, Solare Plasmaströme im Sonnenwind und ihr Einfluß auf die Ionosphäre, Kleinheubacher Berichte, 37, 403-411, 1994.
N. Gonzalez, A. Hauchecorne, S. Kirkwood, F.-J. Lübken, A. H. Manson, A. Mourier, F. J. Schmidlin, R. Schminder, D. Kürschner, W. Singer and H.-U. Widdel, Intercomparison of simultaneous remote and insitu wind measurements, J. Atmos. Terr. Phys., 56, 1985-2001, 1994.
A. Hauchecorne, N. Gonzales, C. Souprayen, A. H. Manson, C. E. Meek, W. Singer, A. N. Fakhrutdinova, U.-P. Hoppe, J. Boška, J. Laštovička, J. Scheer, E. R. Reisin and H. Graef, Gravity-wave activity and its relation with prevailing winds during DYANA, J. Atmos. Terr. Phys., 56, 1765-1778, 1994.
J. Laštovička, L. F. Alberca, E. A. Benediktov, J. Boška, J. Bremer, G. Entzian, V. Fiser, J.-C. Jordogue, A. K. Knyazev, F. Maercz, B. A. de la Morena, P. Mukhtarov, T. Ogawa, D. Pancheva, H. Ranta, Z. Ts. Rapoport and Xiong Nianlu, Lower ionosphere at middle latitudes: Its morphology and response to meteorological and solar-terrestrial activity during the DYANA campaign 1990, J. Atmos. Terr. Phys., 56, 1947-1962, 1994.
F.-J. Lübken, J. Giebeler, T. Blix, E. Thrane, W. Singer and J. Bremer, In-situ measurement of the Schmidt number within a PMSE layer, Geophys. Res. Lett., 21, 1651-1654, 1994.
A. H. Manson, R. R. Clark, C. G. Fesen, J. M. Forbes, R. M. Johnson, S. Miyahara, J. E. Salah and W. Singer, The mesosphere lower thermosphere coupling study: Campaigns and study groups, 5, 339-348, in Solar Terrestrial Energy Program, D. N. Baker and V. O. Papitashvili and M. J. Teague, Pergamon, COSPAR Colloquia Series, 1994.
Yu. I. Portnyagin, N. A. Makarov, R. P. Chevotarev, A. M. Nikonov, E. S. Kazimirovsky, V. D. Kokourov, V. V. Sidorov, A. N. Fakhrutdinova, G. Cevolani, R. R. Clark, D. Kürschner, R. Schminder, A. H. Manson, C. E. Meek, H. G. Muller, J. C. Stoddart, W. Singer and P. Hoffmann, The wind regime of the mesosphere and lower thermosphere during the DYANA campaign - II. Semi-diurnal tide, J. Atmos. Terr. Phys., 56, 1731-1752, 1994.
R. Schminder, W. Singer, D. Kürschner, P. Hoffmann and D. Keuer, Permanent monitoring of the upper atmosphere wind field over Central Europe by a joint analysis of LF windprofiler and MF radar measurements at Collm and Juliusruh (Germany), Meteorol. Z., Neue Folge 3, 297-300, 1994.
W. Singer, J. Weiß and J. Bremer, Comparing the improved Di Giovanni/Radicella model with sounding-based electron density profiles and with the IRI model, Adv. Space Res., 14(12), 83-86, 1994.
W. Singer, A. K. Knyazev and J. Bremer, Empirical D-region electron density model for mid-latitudes, 311-323, in Proc. COST 238/ PRIME Workshop on Development and Testing of an Electron Density Height Profile Model for PRIME, P. Bradley and B. de la Morena, 1994.
W. Singer, J. Bremer, P. Hoffmann, A. H. Manson, C. E. Meek, R. Schminder, D. Kürschner, Yu. I. Portnyagin, N. A. Makarov, H. G. Muller, E. S. Kazimirovsky and R. R. Clark, Geomagnetic influences upon tides-winds from MLT radars, J. Atmos. Terr. Phys., 56, 1301-1311, 1994.
W. Singer, P. Hoffmann, A. H. Manson, C. E. Meek, R. Schminder, D. Kürschner, G. A. Kokin, A. K. Knyazev, Yu. I. Portnyagin, N. A. Makarov, A. N. Fakhrudtinova, V. V. Sidorov, G. Cevolani, H. G. Muller, E. S. Kazimirovsky, V. A. Gaidukov, R. R. Clark, R. P. Chebotarev and Y. Karadjaev, The wind regime of the mesosphere and lower thermosphere during the DYANA campaign - I. Prevailing winds, J. Atmos. Terr. Phys., 56, 1717-1729, 1994.

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1993


J. Bremer and J. Laštovička, Dependence of the f-region plasma on the IMF and the solar wind speed, Wiss. Bericht No. 2, part 1, 237-246, in PRIME Studies with Emphasis on TEC and Topside Modelling, Inst. f. Meteorologie u. Geophys., Karl-Franzens-Universität, Graz, Österreich, 1993.
J. Bremer, W. Singer, D. Keuer, P. Hoffmann, J. Röttger, J. Cho and W. E. Swartz, PMSE observations with EISCAT during summer 1991, 83-87, in Proc. 6th Workshop on Technical and Scientific Aspects of MST Radar, B. Edwards, Chung Li, Taiwan, 1993.
J. Bremer, Säkulare Variationen im Plasma der ionosphärischen D-Region, Kleinheubacher Berichte, 36, 379-388, 1993.
P. Czechowsky, W. Singer, G. Schmidt and D. Keuer, Technical design of a VHF radar for MST investigations at Andenes, Norway, 310-314, in Proc. 6th Workshop on Technical and Scientific Aspects of MST Radar, B. Edwards, Chung Li, Taiwan, 1993.
W. Singer, P. Hoffmann, D. Keuer, R. Schminder and D. Kürschner, Radar wind observations in Central Europe during the UARS comparitive measurements program, 400-404, in Proc. 6th Workshop on Technical and Scientific Aspects of MST Radar, B. Edwards, Chung Li, Taiwan, 1993.
W. Singer, J. Weiss and J. Bremer, Vergleich empirischer Modelle der Elektronendichte (Di giovanni/Radicella/IRI90) mit Vertikalsondierung und TEC-Messungen in Europa, Kleinheubacher Berichte, 36, 429-444, 1993.

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1992


J. Bremer, Influence of the IMF on the ionospheric plasma of the D-, E- and F-layer, 403-407, in Proceedings COST 238 (PRIME)/URSI Workshop, Roquetes, Spain, 4-6 May 1992
J. Bremer, Ionospheric trends in mid-latitudes as a possible indicator of the atmospheric greenhouse effect, J. Atmos. Terr. Phys., 54, 1505-1511, 1992.
J. Bremer, Langzeittrends in Ionosondendaten als mögliches Indiz einer anthropogenen Beeinflussung der Erdatmosphäre, Kleinheubacher Berichte, 35, 263-272, 1992.
P. Hoffmann and D. Keuer, Anwendung von Korrelationsverfahren bei hochatmosphärischen Windmessungen mittels Radarverfahren, 48-51, in Tagungsberichte 7. Symposium Maritime Elektronik, Universität Rostock, Rostock, 23.-24. April 1992
J. Laštovička, J. Bremer and M. Gil, Ozone response to major geomagnetic storms, Ann. Geophys., 10, 683-689, 1992.
W. Singer, J. Weiss and J. Bremer, Comparison of the improved Di Giovanni/Radicella model with the IRI model, with electron density profiles from VS data and TEC data in Europe, 60-66, in Proceedings COST 238 (PRIME)/URSI Workshop, Roquetes, Spain, 4-6 May 1992
W. Singer, P. Hoffmann, J. Bremer, R. Schminder and D. Kürschner, Das Windfeld der oberen Mesosphäre in mittleren Breiten während erhöhter geomagnetischer Aktivität, Kleinheubacher Berichte, 35, 113-122, 1992.
W. Singer, P. Hoffmann, D. Keuer and J. Priese, Das Windfeld in der unteren Mesopausenregion nach MF-Radarmessungen (partielle Reflexionen) in Juliusruh, Ann. der Meteorologie, 27, 414-415, 1992.
W. Singer, P. Hoffmann, D. Keuer, R. Schminder and D. Kürschner, Wind in the middle atmosphere with partial reflection measurements during winter and spring in middle Europe, Adv. Space Res., 12(10), 299-302, 1992.

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