High-latitude topside ionospheric vertical electron density profile changes in response to large magnetic storms

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F16%3A00460120" target="_blank" >RIV/68378289:_____/16:00460120 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1002/2015RS005882" target="_blank" >http://dx.doi.org/10.1002/2015RS005882</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/2015RS005882" target="_blank" >10.1002/2015RS005882</a>

Result language

angličtina

Original language name

High-latitude topside ionospheric vertical electron density profile changes in response to large magnetic storms

Original language description

Large magnetic-storm-induced changes were detected in high-latitude topside vertical electron density profiles Ne(h) in a database of profiles and digital topside ionograms, from the International Satellites for Ionospheric Studies (ISIS) program, that enabled Ne(h) profiles to be obtained in nearly the same region of space before, during, and after a major magnetic storm (Dst < 100 nT). Storms where Ne(h) profiles were available in the high-latitude Northern Hemisphere had better coverage of solar wind parameters than storms with available Ne(h) profiles in the high-latitude Southern Hemisphere. Large Ne(h) changes were observed during all storms, with enhancements and depletions sometimes near a factor of 10 and 0.1, respectively, but with substantial differences in the responses in the two hemispheres. Large spatial and/or temporal Ne(h) changes were often observed during Dst minimum and during the storm recovery phase. The storm-induced Ne(h) changes were the most pronounced and consistent in the Northern Hemisphere in that large enhancements were observed during winter nighttime and large depletions during winter and spring daytime. The limited available cases suggested that these Northern Hemisphere enhancements increased with increases of the time-shifted solar wind velocity v, magnetic field B, and with more negative values of the B components except for the highest common altitude (1100 km) of the profiles. There was also some evidence suggesting that the Northern Hemisphere depletions were related to changes in the solar wind parameters. Southern Hemisphere storm-induced enhancements and depletions were typically considerably less with depletions observed during summer nighttime conditions and enhancements during summer daytime and fall nighttime conditions.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DG - Atmospheric sciences, meteorology

OECD FORD branch

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Project

<a href="/en/project/GC15-07281J" target="_blank" >GC15-07281J: Phenomena coupling the neutral and ionized atmosphere</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Radio Science

ISSN

0048-6604

e-ISSN

—

Volume of the periodical

51

Issue of the periodical within the volume

5

Country of publishing house

US - UNITED STATES

Number of pages

14

Pages from-to

524-537

UT code for WoS article

000379145600015

EID of the result in the Scopus database

2-s2.0-84971242667