Abstract
The advances in satellite navigation and positioning technology and the worldwide establishment of continuous-tracking stations have greatly promoted the development and application of the high-precision Global Navigation Satellite System (GNSS). GAMIT/GLOBK, as a popular high-precision GNSS data-processing software, has been widely used in monitoring crustal deformation, tsunami, iceberg, etc. Based on the basic observations and various geophysical models processed by GAMIT/GLOBK, we analyze the influence of the correction of applied geophysical models, and describe the techniques of parameter estimation and accuracy assessment. In addition, taking the present crustal movement in the Chinese mainland and the MW7.8 earthquake in Nepal as examples, we discuss the applications of GAMIT/GLOBK in crustal deformation monitoring and its future prospect.
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