Recent Results of the Chinese CMONOC GNSS Network

Abstract

Crustal Movement Observation Network Of China (CMONOC) is a fundamental facility, which has a wide range of applications in diverse areas with high precision and high spatial resolution. Consisting of 260 continuous sites and more than 2,000 campaign sites, CMONOC GNSS network contributes to the meteorology, plate tectonics earthquake monitoring, etc. As one of the data centers of the CMONOC network, Shanghai Astronomical Observatory (SHAO) developed the CMONOC GNSS data processing facilities and provide precise products supporting various CMONOC applications. Our routine GNSS data analysis is performed using the data of the CMONOC network as well as the international GNSS service (IGS) network. In this paper, we present the latest results and findings of the routine analysis, including: (1) regional horizontal and vertical velocity field of China mainland; (2) the refined emperical troposperic zenith delay model CZTDw over China mainland, which shows higher accuracy than other published models; and (3) earthquake co-seismic monitoring and optimum estimation of lithosphere viscosity for the post-seimic deformation modeling.