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Seismic Impact of Large Earthquakes on Estimating Global Mean Ocean Mass Change from GRACE
Tang, Lu1,2; Li, Jin2,3; Chen, Jianli4; Wang, Song-Yun2; Wang, Rui1; Hu, Xiaogong2,5
2020-03-02
Source PublicationREMOTE SENSING
Volume12Issue:6Pages:15
AbstractWe analyze the impact of large earthquakes on the estimation of the global mean ocean mass (GMOM) change rate over the 13-year period (January 2003 to December 2015) using the Gravity Recovery and Climate Experiment (GRACE) Release-06 (RL06) monthly gravity solutions released by the Center for Space Research (CSR). We take into account the effects of the December 2004 Mw9.1 and April 2012 Mw8.6 Sumatra earthquakes, the March 2011 Mw9.0 Tohoku-Oki earthquake, and the February 2010 Mw8.8 Chile earthquake. After removing the co- and post-seismic effects of these earthquakes in the oceanic areas by least squares fitting, we estimate the GMOM rate from GRACE monthly observations. Results show that GRACE-observed GMOM rate before the seismic correction is 2.12 +/- 0.30 mm/year, while after correction the rate is 2.05 +/- 0.30 mm/year. Even though the -0.07 +/- 0.02 mm/year seismic influence on GRACE GMOM rate is small on a global scale, it is a systematic bias and should be considered for improved quantification and understanding of the global sea level change.
KeywordGRACE global mean ocean mass change large earthquakes seismic deformation
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics
DOI10.3390/rs12060935
WOS KeywordSEA-LEVEL BUDGET ; GRAVITY CHANGE ; MODEL ; DECADE ; RISE
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB0501405] ; Natural Science Foundation of China[11873075] ; Natural Science Foundation of Shanghai[19ZR1466900] ; Natural Science Foundation of Shanghai[17ZR1435600] ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics[2016YFB0501405] ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics[11873075] ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics[SKLGED2018-2-2-E]
Funding OrganizationNational Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Natural Science Foundation of Shanghai ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics ; Open Fund of Stay Key Laboratory of Geodesy and Earth's Dynamics
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
WOS IDWOS:000526820600037
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/54903
Collection中国科学院国家天文台
Corresponding AuthorLi, Jin
Affiliation1.Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200444, Peoples R China
2.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
4.Univ Texas Austin, Ctr Space Res, Austin, TX 78759 USA
5.Shanghai Key Lab Space Nav & Positing Tech, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Tang, Lu,Li, Jin,Chen, Jianli,et al. Seismic Impact of Large Earthquakes on Estimating Global Mean Ocean Mass Change from GRACE[J]. REMOTE SENSING,2020,12(6):15.
APA Tang, Lu,Li, Jin,Chen, Jianli,Wang, Song-Yun,Wang, Rui,&Hu, Xiaogong.(2020).Seismic Impact of Large Earthquakes on Estimating Global Mean Ocean Mass Change from GRACE.REMOTE SENSING,12(6),15.
MLA Tang, Lu,et al."Seismic Impact of Large Earthquakes on Estimating Global Mean Ocean Mass Change from GRACE".REMOTE SENSING 12.6(2020):15.
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