1. 利用GPS高精度监测数据开展青藏高原现今地壳运动与形变特征研究进展.
- Author
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瞿伟, 高源, 陈海禄, 梁世川, 韩亚茜, 张勤, 王庆良, and 郝明
- Subjects
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GLOBAL Positioning System , *GRABENS (Geology) , *PLATE tectonics , *ELECTRONIC data processing , *KINEMATICS , *RAYLEIGH waves , *HUMAN kinematics - Abstract
Qinghai-Tibet Plateau is one of the regions with the strongest crustal tectonic movement in the world due to its special continental tectonic location. There are many large active faults in the block and its surrounding areas, which are prone to strong earthquakes. The area is also a natural test site for studying the mechanism of plate tectonic movement in the continent. Global Positioning System(GPS)is widely used in the study of crustal deformation monitoring due to its high temporal and spatial resolution, wide coverage, and high observation accuracy. The high-resolution GPS crustal movement velocity field obtainedby China crustal movement observation network(CMONOC-Ⅰ)and China continental tectonic environment monitoring network(CMONOC-Ⅱ), has clearly revealed the crustal tectonic movement and deformation of Qinghai-Tibet Plateau in the past 20 years. The research progress of current crustal movement and deformation characteristics of Qinghai-Tibet Plateau was systematically summarized based on GPS monitoring data, and the GPS data sources, and high-precision data processing methods and strategies for monitoring the crustal movement of Qinghai-Tibet Plateau were reviewed. The influence of different reference data on the processing results of GPS velocity field was discussed, and the current analysis models for crustal movement and deformation of Qinghai-Tibet Plateau were comprehensively explained from kinematics and dynamics. The current tectonic movement and deformation characteristics were deeply analyzed from both the shallow and deep of Qinghai-Tibet Plateau based on the calculations of integrated model. From the perspective of tectonic dynamic mechanism of plate movement, the current regional dynamics background of Qinghai-Tibet Plateau and the uplift mechanism of the mount Qomolangma region under its influence were interpreted in detail. Finally, the results of crustal movement and deformation of Qinghai-Tibet Plateau using GPS technology were summarized, and the important development trend of crustal deformation monitoring of Qinghai-Tibet Plateau in the future was also prospected. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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