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Ionization of the polar atmosphere by energetic electron precipitation retrieved from balloon measurements |
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| Author: | Mironova, I. A.1; Artamonov, A. A.2; Bazilevskaya, G. A.3; |
| Organizations: |
1Faculty of Physics, Department of Physics of Earth, St. Petersburg State University, St. Petersburg, Russia 2Research Institute for Space Medicine, Federal Research Clinical Center of Federal Biomedical Agency of Russia, Moscow, Russia 3Lebedev Physical Institute, Russian Academy of Science, Moscow, Russia
4PMOD/WRC and IAC ETHZ, Davos Dorf, Switzerland
5Western Department of Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Waves Propagation, Russian Academy of Sciences, Kaliningrad, Russia 6Ioffe Physical-Technical Institute, St. Petersburg, Russia 7Space Climate Research Unit, University of Oulu, Finland 8Sodankylä Geophysical Observatory, Oulu, Finland |
| Format: | article |
| Version: | published version |
| Access: | open |
| Online Access: | PDF Full Text (PDF, 0.8 MB) |
| Persistent link: | http://urn.fi/urn:nbn:fi-fe201903219635 |
| Language: | English |
| Published: |
American Geophysical Union,
2018
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| Publish Date: | 2019-03-21 |
| Description: |
AbstractWe retrieve ionization rates in the atmosphere caused by energetic electron precipitation from balloon observations in the polar atmosphere and compare them against ionization rates recommended for the Phase 6 of the Coupled Model Intercomparison Project. In our retrieval procedure, we consider the precipitating electrons with energies from about tens of keV to 5 MeV. Our simulations with 1‐D radiative‐convective model with interactive neutral and ion chemistry show that the difference of the Phase 6 of the Coupled Model Intercomparison Project and balloon‐based ionization rate can lead to underestimation of the NOx enhancement by more than 100% and ozone loss up to 25% in the mesosphere. The atmospheric response is different below 50 km due to considering highly energetic electrons, but it is not important because the absolute values of atmospheric impact is tiny. Ionization rates obtained from the balloon observations reveal a high variability. see all
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| Series: |
Geophysical research letters |
| ISSN: | 0094-8276 |
| ISSN-E: | 1944-8007 |
| ISSN-L: | 0094-8276 |
| Volume: | 46 |
| Issue: | 2 |
| Pages: | 990 - 996 |
| DOI: | 10.1029/2018GL079421 |
| OADOI: | https://oadoi.org/10.1029/2018GL079421 |
| Type of Publication: |
A1 Journal article – refereed |
| Field of Science: |
115 Astronomy and space science |
| Subjects: | |
| Funding: |
I. M. acknowledges the support of St. Petesburg State University through the grant IAS_11.42.675.2017 (Id: 36360942) and COLLAB2018 (Id: 34828424). A. K. acknowledges the support of St. Petesburg State University through the grant TRAIN2018 (Id: 28176577). G. B. is partly supported by the RFBR grant 16‐02‐00100. E. R. proposed the idea, compared IR data sets, calculated the atmospheric response, and wrote part of the paper using financial support from the Russian Science Foundation (grant 17‐17‐01060). A. A., G. K., I. M., and A. M. thank for support from the Academy of Finland (HEAIM project 314982 and 316223). A. M. was supported by the Academy of Finland (project 272157, Center of Excellence ReSoLVE). |
| Academy of Finland Grant Number: |
314982 316223 272157 |
| Detailed Information: |
314982 (Academy of Finland Funding decision) 316223 (Academy of Finland Funding decision) 272157 (Academy of Finland Funding decision) |
| Copyright information: |
© 2018 American Geophysical Union. All Rights Reserved. Published in this repository with the kind permission of the publisher. |