| Vr：A new index to represent the variation rate of geomagnetic activity |
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| 作者单位： | [1]Institute of Geophysics, China Earthquake Administration, Beijing 10008 l, China [2]Tai＇an Magnetic Observatory, Earthquake Administration of Shandong Province, Tai＇an 271000, China [3]Institute of Earthquake Science, China Earthquake Administration, Beo＇ing 100036, China |
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| 基金项目： | Acknowledgements This research was supported by project DQJB09B01. The results presented in this paper rely on the observation data collected at Chinese magnetic observatories and the international indices collected at the World Data Center for Geomagnetism, Kyoto. We thank China Earthquake Administration for supporting operation of the geomagnetic observatories and the Data Analysis Center for Geomagnetism and Space Magnetism Graduate School of Science, Kyoto University for supporting operation of the World Data Center. The authors greatly thank the two anonymous reviewers for their constructive comments. Contribution No. is 10FE3005, Institute of Geophysics, China Earth- quake Administration. The contribution No. is 10FE3005, Institute of Geophyscis, China Earthquake Administration. |
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| 摘 要： |
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Vr：A new index to represent the variation rate of geomagnetic activity |
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| Authors: | Dongmei Yang Yufei He Chuanhua Chen Jiadong Qian |
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| Abstract: | |
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| Keywords: | Vr index first-order difference standard deviation variation rate of geomagnetic field geomagnetic-induced event |
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