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Comparison of electron density and temperature from the CSES satellite with other space‐borne and ground‐based observations.

Urheber*innen

Yan,  Rui
External Organizations;

Zhima,  Zeren
External Organizations;

/persons/resource/bear

Xiong,  C.
2.3 Geomagnetism, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Shen,  Xuhui
External Organizations;

Huang,  Jianping
External Organizations;

Guan,  Yibing
External Organizations;

Zhu,  Xinghong
External Organizations;

Liu,  Chao
External Organizations;

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5003016.pdf
(Verlagsversion), 46MB

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Zitation

Yan, R., Zhima, Z., Xiong, C., Shen, X., Huang, J., Guan, Y., Zhu, X., Liu, C. (2020): Comparison of electron density and temperature from the CSES satellite with other space‐borne and ground‐based observations. - Journal of Geophysical Research: Space Physics, 125, 10, e2019JA027747.
https://doi.org/10.1029/2019JA027747


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5003016
Zusammenfassung
In this paper we provide a comprehensive comparison of in‐situ electron density (Ne) and temperature (Te) measured by Langmuir probe (LAP) on board the China Seismo‐Electromagnetic Satellite (CSES), with nearly simultaneous measurements from the Swarm B satellite, incoherent scatter radar (ISR) at Millstone Hill, as well as predictions from empirical models including the Local Empirical Model (LEM) of Millstone Hill ISR and International Reference Ionosphere model (IRI‐2016). Results reveal that the global distributions and their relative variations of Ne/Te from CSES and Swarm are quite consistent during conjunction periods of the two satellites, although the absolute values of Swarm Ne are proportionally larger than that of CSES. The large‐scale ionospheric structures, such as the equatorial ionization anomaly (EIA), the longitudinal wave number (WN3/4), the Weddell Sea anomaly (WSA), the northern mid‐latitude summer nighttime anomaly (MSNA) and the mid‐latitude ionospheric trough (MIT), are well represented by the CSES measurements. For the temporal variation over Millstone Hill station, CSES Ne at nightside shows some different characteristics from the predictions of IRI and LEM, possibly due to the influences of MIT and mid‐latitude arc (MLA) that are often observed at latitudes of Millstone Hill. Our results suggest that the CSES in‐situ plasma parameters are reliable with a high scientific potential for investigation of geophysics and space physics.