The Gravity waves activities in the Tibetan Plateau are very complex with different effects and natures that are not clear due to the lack of high resolution data from space and also from ground. In t
Since the 1960s,China has been conducting a persistent and systematic observation and monitoring experiment to falsify the hypothesis of premonitory anomalies a
We have examined the aftershock sequence and the post-seismic deformation process of the Parkfield earthquake(2004,M=6,California,USA) source area using GPS dat
The ionosphere is one of the major error sources in Global Navigation Satellite System(GNSS) positioning,navigation and timing.Estimating the ionospheric delays precisely is of great interest in the G