ON FEASBILITY OF GPS BASED WEATHER FORECAST
Yin Liwen 1) ;Han Baomin 2) ;Zheng Yong 1) ; and Zhang Baocheng 1)
1)Key Laboratory of Dynamic Geodesy,IGG,CAS, Wuhan 430077;2)Shandong University of Technology,Zibo 255000
Abstract The basic theory and mathematical model of groundbased GPS meteorology are introduced namely how to precisely isolate the wet component of tropospheric delay and then to reliably convert it into Precipitation Water Vapor (PWV). From the measured GPS data of five International GNSS Service (IGS) sites locating in the China region the PWV are inversed by using Bernese 4.2 software, the relation between the PWV and the rainfall is subsequently analyzed and the feasibility of GPSbased weather forecast is finally explored
Key words ：
GPS
meteorology
troposphere
wet delay
precipitation water vapor (PWV)
Received: 01 January 1900
Corresponding Authors:
Yin Liwen
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