Annika Seppälä
Title
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Year
Solar proton events of October–November 2003: Ozone depletion in the Northern Hemisphere polar winter as seen by GOMOS/Envisat
A Seppälä, PT Verronen, E Kyrölä, S Hassinen, L Backman, ...
Geophysical Research Letters 31 (19), 2004
1522004
Impact of different energies of precipitating particles on NOx generation in the middle and upper atmosphere during geomagnetic storms
E Turunen, PT Verronen, A Seppälä, CJ Rodger, MA Clilverd, ...
Journal of Atmospheric and Solar-Terrestrial Physics 71 (10-11), 1176-1189, 2009
1502009
Geomagnetic activity and polar surface air temperature variability
A Seppälä, CE Randall, MA Clilverd, E Rozanov, CJ Rodger
Journal of Geophysical Research: Space Physics 114 (A10), 2009
1472009
Diurnal variation of ozone depletion during the October–November 2003 solar proton events
PT Verronen, A Seppälä, MA Clilverd, CJ Rodger, E Kyrölä, CF Enell, ...
Journal of Geophysical Research: Space Physics 110 (A9), 2005
1472005
Missing driver in the Sun–Earth connection from energetic electron precipitation impacts mesospheric ozone
ME Andersson, PT Verronen, CJ Rodger, MA Clilverd, A Seppälä
Nature communications 5 (1), 1-5, 2014
1162014
Solar forcing for CMIP6 (v3. 2)
K Matthes, B Funke, M Anderson, L Barnard, J Beer, P Charbonneau, ...
Geoscientific Model Development 10 (6), 2247-2302, 2017
1102017
Geomagnetic activity related NOx enhancements and polar surface air temperature variability in a chemistry climate model: modulation of the NAM index
AJG Baumgaertner, A Seppälä, P Jöckel, MA Clilverd
Atmospheric Chemistry and Physics 11, 4521-4531, 2011
1042011
Geomagnetic activity related NOx enhancements and polar surface air temperature variability in a chemistry climate model: modulation of the NAM index
AJG Baumgaertner, A Seppälä, P Jöckel, MA Clilverd
Atmospheric Chemistry and Physics 11, 4521-4531, 2011
1032011
Arctic and Antarctic polar winter NOx and energetic particle precipitation in 2002–2006
A Seppälä, PT Verronen, MA Clilverd, CE Randall, J Tamminen, ...
Geophysical research letters 34 (12), 2007
942007
Production of odd hydrogen in the mesosphere during the January 2005 solar proton event
PT Verronen, A Seppälä, E Kyrölä, J Tamminen, HM Pickett, E Turunen
Geophysical Research Letters 33 (24), 2006
902006
Observations of relativistic electron precipitation from the radiation belts driven by EMIC waves
CJ Rodger, T Raita, MA Clilverd, A Seppälä, S Dietrich, NR Thomson, ...
Geophysical Research Letters 35 (16), 2008
872008
Remote sensing space weather events: Antarctic-Arctic radiation-belt (dynamic) deposition-VLF Atmospheric Research Konsortium network
MA Clilverd, CJ Rodger, NR Thomson, JB Brundell, T Ulich, ...
Space Weather 7 (4), 1-15, 2009
862009
Geomagnetic activity signatures in wintertime stratosphere wind, temperature, and wave response
A Seppälä, H Lu, MA Clilverd, CJ Rodger
Journal of Geophysical Research: Atmospheres 118 (5), 2169-2183, 2013
772013
Destruction of the tertiary ozone maximum during a solar proton event
A Seppälä, PT Verronen, VF Sofieva, J Tamminen, E Kyrölä, CJ Rodger, ...
Geophysical research letters 33 (7), 2006
732006
Radiation belt electron precipitation into the atmosphere: Recovery from a geomagnetic storm
CJ Rodger, MA Clilverd, NR Thomson, RJ Gamble, A Seppälä, E Turunen, ...
Journal of Geophysical Research: Space Physics 112 (A11), 2007
642007
Parameterisation of the chemical effect of sprites in the middle atmosphere
CF Enell, E Arnone, T Adachi, O Chanrion, PT Verronen, A Seppälä, ...
Ann. Geophys 26 (1), 13-27, 2008
542008
NOx enhancements in the middle atmosphere during 2003–2004 polar winter: Relative significance of solar proton events and the aurora as a source
A Seppälä, MA Clilverd, CJ Rodger
Journal of Geophysical Research: Atmospheres 112 (D23), 2007
542007
Nighttime ozone profiles in the stratosphere and mesosphere by the Global Ozone Monitoring by Occultation of Stars on Envisat
E Kyrölä, J Tamminen, GW Leppelmeier, V Sofieva, S Hassinen, ...
Journal of Geophysical Research: Atmospheres 111 (D24), 2006
512006
Ground‐based estimates of outer radiation belt energetic electron precipitation fluxes into the atmosphere
MA Clilverd, CJ Rodger, RJ Gamble, T Ulich, T Raita, A Seppälä, ...
Journal of Geophysical Research: Space Physics 115 (A12), 2010
492010
Ground‐based estimates of outer radiation belt energetic electron precipitation fluxes into the atmosphere
MA Clilverd, CJ Rodger, RJ Gamble, T Ulich, T Raita, A Seppälä, ...
Journal of Geophysical Research: Space Physics 115 (A12), 2010
492010
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Articles 1–20