[1]XU Yun-ma,ZHU Yi-qing,LIANG Wei-feng,et al.Gravity Field and It s Dynamic Evolutional Characteristics in Lanzhou-Tianshui-Wudu Area,Gansu[J].Journal of Seismological Research,2008,31(01):64-69.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
31
Number of periods:
2008 01
Page number:
64-69
Column:
Public date:
2008-01-23
- Title:
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Gravity Field and It s Dynamic Evolutional Characteristics in Lanzhou-Tianshui-Wudu Area,Gansu
- Author(s):
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XU Yun-ma1; 2; ZHU Yi-qing2; LIANG Wei-feng2; CHENG Hong-bin2; LIU Lian2
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(1.University of Science and Technology of China,Hefei 230026,China)(2.Second Crust Monitoring and Application Center,CEA,Xian 710054,China)
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- Keywords:
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Lantianwu area; evolution of gravity field; movement of crust; tectonic activity
- CLC:
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P315.72+6
- DOI:
-
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- Abstract:
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The mobile gravity data in Lantianwu area during 2000~2006 is systemically analyzed,and dynamically evolutional characteristics in time and spatial domains of gravity field is researched.From the research results we have had following understandings.The change of gravity field is closely relative to tectonic of active fracture; The change of gravity may be relative to micro-dynamic situation of stress-strain field; The Minxian MS5.2,MS5.0 and Wudu MS5.0 earthquakes are closely relative to the followed two dynamic patterns of gravity field.