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Journal Article

CSES High Precision Magnetometer Data Products and Example Study of an Intense Geomagnetic Storm.

Authors

Yang,  Yanyan
External Organizations;

Zhou,  Bin
External Organizations;

Hulot,  Gauthier
External Organizations;

Olsen,  Nils
External Organizations;

Wu,  Yingyan
External Organizations;

/persons/resource/bear

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

/persons/resource/cstolle

Stolle,  Claudia
2.3 Geomagnetism, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Zhima,  Zeren
External Organizations;

Huang,  Jianping
External Organizations;

Zhu,  Xinghong
External Organizations;

Pollinger,  Andreas
External Organizations;

Cheng,  Bingjun
External Organizations;

Magnes,  Werner
External Organizations;

Zhao,  Xudong
External Organizations;

Shen,  Xuhui
External Organizations;

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Fulltext (public)

5006473.pdf
(Publisher version), 4MB

Supplementary Material (public)
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Citation

Yang, Y., Zhou, B., Hulot, G., Olsen, N., Wu, Y., Xiong, C., Stolle, C., Zhima, Z., Huang, J., Zhu, X., Pollinger, A., Cheng, B., Magnes, W., Zhao, X., Shen, X. (2021): CSES High Precision Magnetometer Data Products and Example Study of an Intense Geomagnetic Storm. - Journal of Geophysical Research: Space Physics, 126, 4, e2020JA028026.
https://doi.org/10.1029/2020JA028026


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5006473
Abstract
Providing accurate measurement of the magnetic field intensity and its vector components is one of the primary objectives of the China Seismo‐Electromagnetic Satellite (CSES). The high precision magnetometer (HPM) payload assembled on CSES is designed to achieve this goal. In this study, the data format, naming convention, and content of the CSES HPM Level 2 scientific data products are introduced, as a reference for users who are interested in this data set. In particular, flags for potential magnetic field disturbances from the platform and payloads are discussed. Possible scientific applications are also outlined. A preliminary validation of the data is conducted through comparison with magnetic data from the ESA’s Swarm constellation, and the result demonstrates that the HPM data of CSES are of good quality. Taking the intense geomagnetic storm that occurred on August 25–26, 2018 as an example, the magnetic field variations and the expansion of the field‐aligned currents (FACs) during this storm are discussed. We finally show that the CSES HPM data can be used to derive a satellite‐derived index equivalent to the Dst index, which agrees well to the index during this event. Our analysis thus suggests a high scientific potential of the HPM data.