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Analysis on the Observation Data of Three Profiles across the Qilian Mountain-Haiyuan Fault Zone
  • ISSN号:0891-4176
  • 期刊名称:《中国地震研究:英文版》
  • 时间:0
  • 分类:P315.2[天文地球—地震学;天文地球—固体地球物理学;天文地球—地球物理学] P315.7[天文地球—地震学;天文地球—固体地球物理学;天文地球—地球物理学]
  • 作者机构:[1]Second Crust Monitoring and Application Center, CEA, Xi'an 710054, China
  • 相关基金:This project was sponsored by Special Scientific Research Project, China Earthquake Administration (200908029) and National Natural Science Foundation of China (40674057).
中文摘要:

由分析 GPS,铺平并且从 Minle, Huazangsi 和 Shagouhe 的严肃观察数据在 2005 期间介绍 Qilian Mountain-Haiyuan 差错到对面 - 2009,这些数据的变化和在不同时间的主要差错的活动特征被获得。Changma-Erbo, Maomaoshan, Zhunglanghe 和 Haiyuan 指责的结果表演在最近的年里是活跃的。在垂直排水量和活动严肃数据之间的关系被分析,并且结果表明严肃变化主要由于集体转移。水平运动速度的方向几乎沿着差错的 GPS 观察表演的结果在 2006 罢工 - 2007 当水平速度在 2007 从差错方向背离了时 - 2008,由增加的东方排水量描绘了。在连续观察的 N 和 E 坐标值的时间系列上的线性趋势的移动之上的进一步的分析在三侧面附近中国的外壳的运动观察网络驻扎表明 Wenchuan 地震在 2007 在观察上有效果 - 2008。在 2008 比较重力的变化 - 2009 与 Bouguer 严肃异例背景,我们发现 Minle 侧面附近的区域在调整和恢复的阶段,当异例完全没在 Huazangsi 和 Shagouhe 侧面附近被恢复时。

英文摘要:

By analyzing GPS, leveling and gravity observation data from the Minle, Huazangsi and Shagouhe profiles across the Qilian Mountain-Haiyuan fault during 2005 - 2009, the changes of these data and activity characteristics of the main faults in different time are obtained. The results show that the Changma-Erbo, Maomaoshan, Zhunglanghe and Haiyuan faults have been active in recent years. The relationship between the vertical displacement and mobile gravity data is analyzed, and the results reveal the gravity changes are mainly due to mass transfer. The results of GPS observation show that the direction of the horizontal movement velocity was almost along the fault strike in 2006 - 2007, while the horizontal velocity deviated from the fault direction in 2007 - 2008, characterized by increased eastward displacement. Further analysis upon removal of the linear trend on the time series of the N and E coordinate values of the continuous observation stations of the Crustal Movement Observation Network of China near the three profiles reveals that the Wenchuan earthquake had an effect on the observations in 2007 - 2008. Comparing the gravitational changes in 2008 - 2009 with the Bouguer gravity anomaly background, we find that the area near Minle profile is in the stage of adjustment and recovery, while the anomaly is not completely recovered around Huazangsi and Shagouhe profiles.

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期刊信息
  • 《中国地震研究:英文版》
  • 主管单位:中国地震局
  • 主办单位:中国地震台网中心
  • 主编:陈颙
  • 地址:西城区三里河南横街5号中国地震台网中心
  • 邮编:100045
  • 邮箱:erc19871@163.com
  • 电话:010-59959419 59959420
  • 国际标准刊号:ISSN:0891-4176
  • 国内统一刊号:ISSN:11-2009/P
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:39