4Baker H C,Dodson A H,Penna N T,et al.Ground-Based GPS Water Vapor Estimation:Potential for Meteorological Forecasting[J].Journal of Atmospheric and Solarof Terrestrial Physics,2001,63:1 305-1 314
5Businger S,Chiswell S R,Bevis M.The Promise of GPS in Atmospheric Monitoring[J].Bullet of the American Meteorological Society,1996,77:5-18
6Haase J.ZTD Water Vapor in the Western Mediterranean[J].Bullet of the American Meterological Society,2002,83:9-10
7Liou Yueian,Huang Chengyung,Teng Yutun.Precipitable Water Observed by Grounded-based GPS Receivers and Microwave Radiometry[J].Earth Planets Space,2000,52:445-450
8Duan J,Bevis M,Fang P.et al.GPS Meteorology:Direct Estimation of the Absolute Value of Precipitable Water[J].J Appl Meteorol,1996,35:830-838
