| 2004～2007年晋、冀、蒙交界区重力场变化特征 |
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| 引用本文： | 胡博,戴勇,邹家义.2004～2007年晋、冀、蒙交界区重力场变化特征[J].高原地震,2008,20(4):8-13. |
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| 作者姓名： | 胡博 戴勇 邹家义 |
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| 作者单位： | 1. 内蒙古自治区地震局,内蒙古,呼和浩特,010010
2. 中国地震局兰州地震研究所,甘肃,兰州,730000 |
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| 摘 要： | 系统分析了晋、冀、蒙交界区2004—2007年间的流动重力测量资料，研究了重力场的时空动态演化特征。结果表明：地震孕育发生阶段，重力场出现一定范围的区域性重力异常，重力场变化与区域应力应变场变化及地震活动有关。目前，在晋、蒙交界的怀仁-山阴-朔州-带存在趋势性的重力负异常。
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| 关 键 词： | 晋 冀 蒙交界区 重力场 流动重力 时空动态演化特征 |
STUDY ON VARIATIONS OF GRAVITY FIELD IN THE BORDER AREA OF SHANXI-HEBEI-INNER MONGOLIA FROM 2004 TO 2007 |
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| HU Bo,DAI Yong,ZOU Jia-yi.STUDY ON VARIATIONS OF GRAVITY FIELD IN THE BORDER AREA OF SHANXI-HEBEI-INNER MONGOLIA FROM 2004 TO 2007[J].Plateau Earthquake Research,2008,20(4):8-13. |
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| Authors: | HU Bo DAI Yong ZOU Jia-yi |
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| Institution: | 1.Earthquake Administration of Inner Mongolia Autonomous Region;Hohhot 010010;China;2.Lanzhou Institute of Seismology;CEA;Lanzhou 730000;China |
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| Abstract: | In this paper,the mobile gravity data in the border area of Shanxi-Hebei-lnner Mongolia from 2004 to 2007 is systematically analyzed,and the dynamic evolutional characteristics of gravity field are obtained.The results show that the territorial gravity anomaly appears in a certain range during the stage of earthquake preparation,and the variations of gravity field are related with regional stress field and seismic activity.In Huairen-Shanyin-Shuozhou area,the long trend negative gravity anomaly appears at p... |
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| Keywords: | Border area of Shanxi-Hebei-lnner Mongolia Gravity field Mobile gravity Time-space dynamic evolution characteristics |
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