Global Positioning System(GPS) has been widely used to estimate the total zenith tropospheric delay(ZTD) and precipitable water vapour(PWV) for weather prediction and atmospheric research as a continu
Continental water storage plays a major role in Earths climate system.However,temporal and spatial variations of continental water are poorly known,particularly in Africa.Gravity Recovery and Climate
Sea level change affects human living conditions,particularly ocean coasts.However,sea level change is still unclear along the Black Sea coast due to lack of in