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Research on Regional Crustal Deformation Characteristics Using Displacement Time Series Data of GNSS Reference Stations in Xinjiang
Li Guirong,Wang Xiaoqiang,Li Jie,Liu Daiqin,Ailixiati Yushan,Chen Li,Li Rui
Author NameAffiliation
Li Guirong Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Wang Xiaoqiang Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Li Jie Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Liu Daiqin Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Ailixiati Yushan Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Chen Li Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
Li Rui Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, China 
摘要:
Using GNSS data from the Crustal Movement Observation Network of China (CMONOC), and PODAP software which was developed by the Satellite Navigation Institute of Wuhan University, the authors calculated data from 31 GNSS stations from July 1, 2011 to December 31, 2014, sampling at 30 seconds, and studied regional crustal deformation characteristics. Analysis results showed that in southwestern Xinjiang, the NS movement rate was influenced by Indian plate pushing. Under the blocking effect of the Tarim Basin, the EW movement rate was slightly smaller. In the north Tianshan area, the vertical dimension movement rate was quite different, which shows as a high gradient zone in the combination area between the basin and the mountain. With regards to regional overall characteristics, the authors considered that the intersection region from south Tianshan and Kunlun Mountains was prone to strong earthquakes, especially moderate-strong earthquakes, even more than M ≥ 7.0 earthquakes. Middle of North Tianshan was the turning point of the vertical movement rate around Bayanbulak, and was also the high gradient zone of vertical movement. The area is also prone to strong earthquakes in the future.
关键词:  GNSS  Displacement  Time series variation  Characteristics
DOI:
分类号:
基金项目:This research was funded by the Xinjiang Earthquake Science Foundation (201411, 201410, 201412), Science for Earthquake Resilience (XH14054Y, XH16042Y, XH17044), the National Natural Science Foundation of China (41374030, 41474016, 41274036), and the Natural Science Foundation of the Xinjiang Uygur Autonomous Region (2012211B56).
Research on Regional Crustal Deformation Characteristics Using Displacement Time Series Data of GNSS Reference Stations in Xinjiang
Li Guirong,Wang Xiaoqiang,Li Jie,Liu Daiqin,Ailixiati Yushan,Chen Li,Li Rui
Abstract:
Using GNSS data from the Crustal Movement Observation Network of China (CMONOC), and PODAP software which was developed by the Satellite Navigation Institute of Wuhan University, the authors calculated data from 31 GNSS stations from July 1, 2011 to December 31, 2014, sampling at 30 seconds, and studied regional crustal deformation characteristics. Analysis results showed that in southwestern Xinjiang, the NS movement rate was influenced by Indian plate pushing. Under the blocking effect of the Tarim Basin, the EW movement rate was slightly smaller. In the north Tianshan area, the vertical dimension movement rate was quite different, which shows as a high gradient zone in the combination area between the basin and the mountain. With regards to regional overall characteristics, the authors considered that the intersection region from south Tianshan and Kunlun Mountains was prone to strong earthquakes, especially moderate-strong earthquakes, even more than M ≥ 7.0 earthquakes. Middle of North Tianshan was the turning point of the vertical movement rate around Bayanbulak, and was also the high gradient zone of vertical movement. The area is also prone to strong earthquakes in the future.
Key words:  GNSS  Displacement  Time series variation  Characteristics