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Seasonal gravity changes estimated from GRACE data 被引量:3
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作者 Zhengbo Zou Hui Li +1 位作者 Zhicai Luo Lelin Xing 《Geodesy and Geodynamics》 2010年第1期57-63,共7页
Since 2002, the GRACE program has provided a large amount of high-precision data, which can be used to detect temporal gravity variations related to global mass re-distribution inside the fluid envelop of the surface ... Since 2002, the GRACE program has provided a large amount of high-precision data, which can be used to detect temporal gravity variations related to global mass re-distribution inside the fluid envelop of the surface of the Earth. In order to make use of the GRACE data to investigate earthquake-related gravity changes in China, we first studied the degree variances of the monthly GRACE gravity field models, and then applied decorrelation and Gaussian smoothing method to obtain seasonal gravity changes in China. By deducting the multi-year mean seasonal variations from the seasonal maos,we found some earthouake-related gravity anomalies. 展开更多
关键词 GRACE EARTHQUAKE gravity variations DECORRELATION Gaussian smoothing.
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