Ozone impact from solar energetic particles cools the polar stratosphere
Szela̧g, Monika E., Marsh, Daniel R., Verronen, Pekka T., Seppälä, Annika, Kalakoski, Niilo
Published in Nature communications (12.11.2022)
Published in Nature communications (12.11.2022)
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Simulated seasonal impact on middle atmospheric ozone from high-energy electron precipitation related to pulsating aurorae
Verronen, Pekka T., Kero, Antti, Partamies, Noora, Szeląg, Monika E., Oyama, Shin-Ichiro, Miyoshi, Yoshizumi, Turunen, Esa
Published in Annales geophysicae (1988) (08.10.2021)
Published in Annales geophysicae (1988) (08.10.2021)
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Statistical response of middle atmosphere composition to solar proton events in WACCM-D simulations: the importance of lower ionospheric chemistry
Kalakoski, Niilo, Verronen, Pekka T, Seppälä, Annika, SzelÄg, Monika E, Kero, Antti, Marsh, Daniel R
Published in Atmospheric chemistry and physics (28.07.2020)
Published in Atmospheric chemistry and physics (28.07.2020)
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Impact of different energies of precipitating particles on NOx generation in the middle and upper atmosphere during geomagnetic storms
TURUNEN, Esa, VERRONEN, Pekka T, SEPPÄLÄ, Annika, RODGER, Craig J, CLILVERD, Mark A, TAMMINEN, Johanna, ENELL, Carl-Fredrik, ULICH, Thomas
Published in Journal of atmospheric and solar-terrestrial physics (01.07.2009)
Published in Journal of atmospheric and solar-terrestrial physics (01.07.2009)
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Conference Proceeding
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Precipitating radiation belt electrons and enhancements of mesospheric hydroxyl during 2004-2009
Andersson, Monika E., Verronen, Pekka T., Wang, Shuhui, Rodger, Craig J., Clilverd, Mark A., Carson, Bonar R.
Published in Journal of Geophysical Research: Atmospheres (10.05.2012)
Published in Journal of Geophysical Research: Atmospheres (10.05.2012)
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Impacts of UV Irradiance and Medium-Energy Electron Precipitation on the North Atlantic Oscillation during the 11-Year Solar Cycle
Guttu, Sigmund, Orsolini, Yvan, Stordal, Frode, Otterå, Odd Helge, Omrani, Nour-Eddine, Tartaglione, Nazario, Verronen, Pekka T., Rodger, Craig J., Clilverd, Mark A.
Published in Atmosphere (01.08.2021)
Published in Atmosphere (01.08.2021)
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Journal Article
Arctic and Antarctic polar winter NOx and energetic particle precipitation in 2002–2006
Seppälä, Annika, Verronen, Pekka T., Clilverd, Mark A., Randall, Cora E., Tamminen, Johanna, Sofieva, Viktoria, Backman, Leif, Kyrölä, Erkki
Published in Geophysical research letters (01.06.2007)
Published in Geophysical research letters (01.06.2007)
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Plasma-neutral interactions in the lower thermosphere-ionosphere: The need for in situ measurements to address focused questions
Sarris, Theodoros, Palmroth, Minna, Aikio, Anita, Buchert, Stephan Christoph, Clemmons, James, Clilverd, Mark, Dandouras, Iannis, Doornbos, Eelco, Goodwin, Lindsay Victoria, Grandin, Maxime, Heelis, Roderick, Ivchenko, Nickolay, Moretto-Jørgensen, Therese, Kervalishvili, Guram, Knudsen, David, Liu, Han-Li, Lu, Gang, Malaspina, David M., Marghitu, Octav, Maute, Astrid, Miloch, Wojciech J., Olsen, Nils, Pfaff, Robert, Stolle, Claudia, Talaat, Elsayed, Thayer, Jeffrey, Tourgaidis, Stelios, Verronen, Pekka T., Yamauchi, Masatoshi
Published in Frontiers in astronomy and space sciences (30.01.2023)
Published in Frontiers in astronomy and space sciences (30.01.2023)
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Journal Article
Ionospheric evidence of thermosphere-to-stratosphere descent of polar NOX
Clilverd, Mark A., Seppälä, Annika, Rodger, Craig J., Verronen, Pekka T., Thomson, Neil R.
Published in Geophysical research letters (01.10.2006)
Published in Geophysical research letters (01.10.2006)
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Journal Article
Solar forcing for CMIP6 (v3.2)
Matthes, Katja, Funke, Bernd, Andersson, Monika E, Barnard, Luke, Beer, Jürg, Charbonneau, Paul, Clilverd, Mark A, Dudok de Wit, Thierry, Haberreiter, Margit, Hendry, Aaron, Jackman, Charles H, Kretzschmar, Matthieu, Kruschke, Tim, Kunze, Markus, Langematz, Ulrike, Marsh, Daniel R, Maycock, Amanda C, Misios, Stergios, Rodger, Craig J, Scaife, Adam A, Seppälä, Annika, Shangguan, Ming, Sinnhuber, Miriam, Tourpali, Kleareti, Usoskin, Ilya, van de Kamp, Max, Verronen, Pekka T, Versick, Stefan
Published in Geoscientific Model Development (22.06.2017)
Published in Geoscientific Model Development (22.06.2017)
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Journal Article
Arecibo measurements of D-region electron densities during sunset and sunrise: implications for atmospheric composition
Baumann, Carsten, Kero, Antti, Raizada, Shikha, Rapp, Markus, Sulzer, Michael P., Verronen, Pekka T., Vierinen, Juha
Published in Annales geophysicae (1988) (02.08.2022)
Published in Annales geophysicae (1988) (02.08.2022)
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Journal Article
Is there a direct solar proton impact on lower-stratospheric ozone?
Jia, Jia, Kero, Antti, Kalakoski, Niilo, SzelÄg, Monika E, Verronen, Pekka T
Published in Atmospheric chemistry and physics (04.12.2020)
Published in Atmospheric chemistry and physics (04.12.2020)
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Journal Article
Lower-thermosphere–ionosphere (LTI) quantities: current status of measuring techniques and models
Palmroth, Minna, Grandin, Maxime, Sarris, Theodoros, Doornbos, Eelco, Tourgaidis, Stelios, Aikio, Anita, Buchert, Stephan, Clilverd, Mark A., Dandouras, Iannis, Heelis, Roderick, Hoffmann, Alex, Ivchenko, Nickolay, Kervalishvili, Guram, Knudsen, David J., Kotova, Anna, Liu, Han-Li, Malaspina, David M., March, Günther, Marchaudon, Aurélie, Marghitu, Octav, Matsuo, Tomoko, Miloch, Wojciech J., Moretto-Jørgensen, Therese, Mpaloukidis, Dimitris, Olsen, Nils, Papadakis, Konstantinos, Pfaff, Robert, Pirnaris, Panagiotis, Siemes, Christian, Stolle, Claudia, Suni, Jonas, van den IJssel, Jose, Verronen, Pekka T., Visser, Pieter, Yamauchi, Masatoshi
Published in Annales geophysicae (1988) (25.02.2021)
Published in Annales geophysicae (1988) (25.02.2021)
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Journal Article
HEPPA-II model–measurement intercomparison project: EPP indirect effects during the dynamically perturbed NH winter 2008–2009
Funke, Bernd, Ball, William, Bender, Stefan, Gardini, Angela, Harvey, V. Lynn, Lambert, Alyn, López-Puertas, Manuel, Marsh, Daniel R, Meraner, Katharina, Nieder, Holger, Päivärinta, Sanna-Mari, Pérot, Kristell, Randall, Cora E, Reddmann, Thomas, Rozanov, Eugene, Schmidt, Hauke, Seppälä, Annika, Sinnhuber, Miriam, Sukhodolov, Timofei, Stiller, Gabriele P, Tsvetkova, Natalia D, Verronen, Pekka T, Versick, Stefan, von Clarmann, Thomas, Walker, Kaley A, Yushkov, Vladimir
Published in Atmospheric chemistry and physics (14.03.2017)
Published in Atmospheric chemistry and physics (14.03.2017)
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Journal Article
Odd hydrogen response thresholds for indication of solar proton and electron impact in the mesosphere and stratosphere
Häkkilä, Tuomas, Verronen, Pekka T., Millán, Luis, Szeląg, Monika E., Kalakoski, Niilo, Kero, Antti
Published in Annales geophysicae (1988) (22.12.2020)
Published in Annales geophysicae (1988) (22.12.2020)
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Journal Article
Middle atmospheric ozone, nitrogen dioxide and nitrogen trioxide in 2002–2011: SD-WACCM simulations compared to GOMOS observations
Kyrölä, Erkki, Andersson, Monika E, Verronen, Pekka T, Laine, Marko, Tukiainen, Simo, Marsh, Daniel R
Published in Atmospheric chemistry and physics (12.04.2018)
Published in Atmospheric chemistry and physics (12.04.2018)
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Journal Article