Velocity Field Model of CGCS2000 Based on Euler Vector of Local Area

In this paper,a method based on Euler vector of local area is presented to construct the model of velocity field,and the method of determining the local area stations-moving window is presented.Firstly,through processing the Crustal Movement Observational Network of China(CMONC) data of ten years by GAMIT/GLOBK and linear regression,the velocities of 1 070 CMONC stations are achieved.Secondly,the model of velocity field is constructed by the new method and the velocities of 1 070 CMONC stations,and the corresponding principles and steps of moving window are presented.Finally,the velocity precision of the new method is compared and analyzed by the actual calculation.The velocities of the remaining 1 400 points of CGCS2000 are obtained by the velocity field model.