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Chinese Academy of Sciences Institutional Repositories Grid
Tectonic and geodynamic pattern of marginal seas on the West Pacific inferred from multi-satellite altewetry geoid

文献类型:期刊论文

作者Gao, JY; Jin, XL
刊名CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
出版日期2003-09-01
卷号46期号:5页码:600-+
关键词Altimetric Geoid Tectonic/geodynamic Pattern Marginal Sea West Pacific
ISSN号0001-5733
文献子类Article
英文摘要With the rapid development of satellite observations, we can use the altimetry geoid to study submarine tectonics and geodynamics. On the basis of the 4' x 4' geoid undulation calculated from altimeter data of Geosat, ERS-1/2 and Topex/Poseidon on the West Pacific, located between 0degreesN similar to 45degreesN, 100degreesC similar to 150degreesE, Bouguer, Glenni and isostatic geoid undulation are obtained from correction of gravitational potential of the global topography and isostacy. Moho discontinuity depth is inversed by the Glenni geoid undulation, and the stress field from small-scale mantle convection is reasonably calculated from the isostatic geoid undulation. The results show that within the Philippine Sea and the South China Sea, short-wavelength lineations of the geoid undulation are parallel or cross to magnetic lineations and rifting ridges. The Moho depth of marginal sea basins becomes shallow southward, and its values are similar to that of the Philippine Sea. These facts show that strength of tectonic activities are almost the same on the both sides of the Ryukyu-Taiwan-Philippine are. Various kinds of tectonic features with different driving mechanisms of small-middle and large-scale of mantle convection, however, display a special pattern of tectonics and geodynamics of the continental marginal seas distinguished from oceans and continents.; With the rapid development of satellite observations, we can use the altimetry geoid to study submarine tectonics and geodynamics. On the basis of the 4' x 4' geoid undulation calculated from altimeter data of Geosat, ERS-1/2 and Topex/Poseidon on the West Pacific, located between 0degreesN similar to 45degreesN, 100degreesC similar to 150degreesE, Bouguer, Glenni and isostatic geoid undulation are obtained from correction of gravitational potential of the global topography and isostacy. Moho discontinuity depth is inversed by the Glenni geoid undulation, and the stress field from small-scale mantle convection is reasonably calculated from the isostatic geoid undulation. The results show that within the Philippine Sea and the South China Sea, short-wavelength lineations of the geoid undulation are parallel or cross to magnetic lineations and rifting ridges. The Moho depth of marginal sea basins becomes shallow southward, and its values are similar to that of the Philippine Sea. These facts show that strength of tectonic activities are almost the same on the both sides of the Ryukyu-Taiwan-Philippine are. Various kinds of tectonic features with different driving mechanisms of small-middle and large-scale of mantle convection, however, display a special pattern of tectonics and geodynamics of the continental marginal seas distinguished from oceans and continents.
学科主题Geochemistry & Geophysics
语种英语
WOS记录号WOS:000185746500005
公开日期2010-12-22
源URL[http://ir.qdio.ac.cn/handle/337002/3779]  
专题海洋研究所_海洋地质与环境重点实验室
作者单位1.State Ocean Adm, Inst Oceanog 2, Hangzhou 310012, Peoples R China
2.State Ocean Adm, Key Lab Submarine Geosci, Hangzhou 310012, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
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Gao, JY,Jin, XL. Tectonic and geodynamic pattern of marginal seas on the West Pacific inferred from multi-satellite altewetry geoid[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2003,46(5):600-+.
APA Gao, JY,&Jin, XL.(2003).Tectonic and geodynamic pattern of marginal seas on the West Pacific inferred from multi-satellite altewetry geoid.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,46(5),600-+.
MLA Gao, JY,et al."Tectonic and geodynamic pattern of marginal seas on the West Pacific inferred from multi-satellite altewetry geoid".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 46.5(2003):600-+.

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来源:海洋研究所

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