New chorus wave properties near the equator from Van Allen Probes wave observations
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F16%3A00462919" target="_blank" >RIV/68378289:_____/16:00462919 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/16:10334212
Result on the web
<a href="http://dx.doi.org/10.1002/2016GL068780" target="_blank" >http://dx.doi.org/10.1002/2016GL068780</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/2016GL068780" target="_blank" >10.1002/2016GL068780</a>
Alternative languages
Result language
angličtina
Original language name
New chorus wave properties near the equator from Van Allen Probes wave observations
Original language description
The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi-parallel mode and a quasi-electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi-electrostatic (quasi-parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi-electrostatic mode is considerably weaker than the quasi-parallel mode, their electric intensities are comparable. A newly identified feature of the quasi-electrostatic mode is that its frequency peaks at higher values compared to the quasi-parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus-driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BL - Plasma physics and discharge through gases
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Geophysical Research Letters
ISSN
0094-8276
e-ISSN
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Volume of the periodical
43
Issue of the periodical within the volume
10
Country of publishing house
US - UNITED STATES
Number of pages
11
Pages from-to
4725-4735
UT code for WoS article
000378347500008
EID of the result in the Scopus database
2-s2.0-84969962450