Present-time crustal deformation in China and its surrounding regions by GPS
文献类型:期刊论文
作者 | Wang, XY; Zhu, WY; Fu, Y; You, XZ; Wang, Q; Cheng, ZY; Ren, JW |
刊名 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
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出版日期 | 2002-03-01 |
卷号 | 45期号:2页码:198-209 |
关键词 | GPS plate motion present time crustal deformation China and surrounding regions |
英文摘要 | Applying recent 10-year GPS measurement data from several nationside GPS networks, serveral regional GPS monitoring networks and the Asia-Pacific Regional Geodetic Project (APRGP), we give out a combined and consistent velocity field solution in ITRF97 by rotation transformation of regional GPS network results. In order to study the characteristics of present-time intra-plate crustal deformation of China, we have constructed a new present-time plate motion model named ITRF97VEL. The model can better describe present-time features of global plate motion than the geological model NNR-NUVEL1A. Based on ITRF97VEL, deformation velocities of more than 260 GPS sites are determined. The results show that the crustal motion is very inhomogenous. The crustal deformation in the west of China is far stronger and more complicated than that in the east of China, taking the N-S seismic belt of China as a boundary. The deformation velocity gradually reduces from south to north in the west of China by energy release in several W-E direction arc suture zones. The Qinghai-Xizang plateau is shortening in north-south direction and extending in west-east direction due to the strong shove of Indian plate. The shortening of about 15mm/a and 9-13mm/a is accommodated across Himalayan block and the west Tianshan, respectively. Between the longitudes of 80degreesE to 91degreesE in southern Tibet, there is E-W extension of 20.2 +/- 1.2mm/a. The slip rates of KJFZ in south Qinghai-Xizang plateau and Altun Tahg fault are 2-3 mm/a and 4-6mm/a, respectively. Our GPS results indicate that there is a shortening of less than 7 mm/a within the Longmen shan. These results support the supposition of crustal thickening. |
WOS标题词 | Science & Technology ; Physical Sciences |
类目[WOS] | Geochemistry & Geophysics |
研究领域[WOS] | Geochemistry & Geophysics |
关键词[WOS] | POSITIONING SYSTEM MEASUREMENTS ; VELOCITY-FIELD ; ASIA ; MOTION ; RATES ; CONSTRAINTS ; EARTHQUAKES ; TECTONICS ; SLIP |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000181887100006 |
公开日期 | 2010-07-30 |
源URL | [http://119.78.226.72//handle/331011/10968] ![]() |
专题 | 上海天文台_天文地球动力学研究中心 |
作者单位 | 1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China 2.State Seismol Bur, Inst Geol, Beijing 100029, Peoples R China 3.State Seismol Bur, Inst Seismol, Wuhan 430071, Peoples R China 4.Xian Inst Surveying & Mapping, Xian 710054, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, XY,Zhu, WY,Fu, Y,et al. Present-time crustal deformation in China and its surrounding regions by GPS[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2002,45(2):198-209. |
APA | Wang, XY.,Zhu, WY.,Fu, Y.,You, XZ.,Wang, Q.,...&Ren, JW.(2002).Present-time crustal deformation in China and its surrounding regions by GPS.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,45(2),198-209. |
MLA | Wang, XY,et al."Present-time crustal deformation in China and its surrounding regions by GPS".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 45.2(2002):198-209. |
入库方式: OAI收割
来源:上海天文台
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