| Polar mesosphere winter echoes during solar proton events S Kirkwood, V Barabash, E Belova, H Nilsson, TN Rao, K Stebel, ... Advances in polar upper atmosphere research 16, 111-125, 2002 | 58 | 2002 |
| Quantitative studies of energetic particle precipitation using incoherent scatter radar S Kirkwood, A Osepian Journal of geomagnetism and geoelectricity 47 (8), 783-799, 1995 | 50 | 1995 |
| Joint radar/lidar observations of possible aerosol layers in the winter mesosphere K Stebel, U Blum, KH Fricke, S Kirkwood, NJ Mitchell, A Osepian Journal of atmospheric and solar-terrestrial physics 66 (11), 957-970, 2004 | 41 | 2004 |
| Electron density profiles in the quiet lower ionosphere based on the results of modeling and experimental data V Barabash, A Osepian, P Dalin, S Kirkwood Annales Geophysicae 30 (9), 1345-1360, 2012 | 35 | 2012 |
| The dynamical background of polar mesosphere winter echoes from simultaneous EISCAT and ESRAD observations E Belova, S Kirkwood, J Ekeberg, A Osepian, I Häggström, H Nilsson, ... Annales Geophysicae 23 (4), 1239-1247, 2005 | 31 | 2005 |
| High-energy electron fluxes derived from EISCAT electron density profiles A Osepian, S Kirkwood Journal of Atmospheric and Terrestrial Physics 58 (1-4), 479-487, 1996 | 23 | 1996 |
| D-region electron density and effective recombination coefficients during twilight–experimental data and modelling during solar proton events A Osepian, S Kirkwood, P Dalin, V Tereschenko Annales Geophysicae 27 (10), 3713-3724, 2009 | 22 | 2009 |
| The role of atomic oxygen concentration in the ionization balance of the lower ionosphere during solar proton events A Osepian, V Tereschenko, P Dalin, S Kirkwood Annales Geophysicae 26 (1), 131-143, 2008 | 21 | 2008 |
| Polar mesosphere summer echoes during the July 2000 solar protonevent V Barabash, S Kirkwood, A Feofilov, A Kutepov Annales Geophysicae 22 (3), 759-771, 2004 | 20 | 2004 |
| Evidence of a dense water vein along the Libyan continental margin GP Gasparini, A Bonanno, S Zgozi, G Basilone, M Borghini, G Buscaino, ... Annales Geophysicae 26 (1), 1-6, 2008 | 18 | 2008 |
| Quantitative description of electron precipitation during auroral absorption events in the morning/noon local-time sector S Kirkwood, A Osepian, N Smirnova Journal of Atmospheric and Solar-Terrestrial Physics 63 (18), 1907-1921, 2001 | 17 | 2001 |
| The influence of ozone concentration on the lower ionosphere–modelling and measurements during the 29–30 October 2003 solar proton event A Osepian, S Kirkwood, P Dalin Annales Geophysicae 27 (2), 577-589, 2009 | 16 | 2009 |
| Ionization and NO production in the polar mesosphere during high-speed solar wind streams: model validation and comparison with NO enhancements observed by Odin-SMR S Kirkwood, A Osepian, E Belova, J Urban, K Pérot, AK Sinha Annales Geophysicae 33 (5), 561-572, 2015 | 15 | 2015 |
| Modelling of absorption layer during auroral absorption events A Osepian, N Smirnova Journal of Atmospheric and Solar-Terrestrial Physics 59 (8), 951-960, 1997 | 13 | 1997 |
| High-speed solar wind streams and polar mesosphere winter echoes at Troll, Antarctica S Kirkwood, A Osepian, E Belova, YS Lee Annales Geophysicae 33 (6), 609-622, 2015 | 12 | 2015 |
| Precipitating protons and their role in ionization of the polar ionosphere NV Smirnova, AN Lyakhov, YI Setzer, AP Osepian, CI Meng, R Smith, ... Cosmic Research 42, 210-218, 2004 | 11 | 2004 |
| Polar mesosphere winter echoes by ESRAD, EISCAT and lidar S Kirkwood, V Barabash, E Belova, H Nilsson, TN Rao, K Stebel, U Blum, ... British Astronomical Society, 2002 | 11 | 2002 |
| Quantitative relation between PMSE and ice mass density S Kirkwood, M Hervig, E Belova, A Osepian Annales Geophysicae 28 (6), 1333-1343, 2010 | 10 | 2010 |
| Pitch angle diffusion coefficients and precipitating electron fluxes inferred from EISCAT radar measurements at auroral latitudes S Kirkwood, A Osepian Journal of Geophysical Research: Space Physics 106 (A4), 5565-5578, 2001 | 10 | 2001 |
| Wave influence on polar mesosphere summer echoes above Wasa: experimental and model studies P Dalin, S Kirkwood, M Hervig, M Mihalikova, D Mikhaylova, I Wolf, ... Annales Geophysicae 30 (8), 1143-1157, 2012 | 9 | 2012 |
