本文通过对GPS湿延迟和水汽辐射计、GPS可降水量与无线电探空资料的比较，进行了GPS气象可靠性检核研究。
The reliable verification of GPS-meteorology has been studied with the comparisons of GPS Zenith wet delay and water vapor radiometer, GPS precipitable water vapor and radiosonde.
计算结果表明，可降水量和相应的地面水汽压之间，存在着良好的数值对应关系。
The calculating results show that the precipitable water is well related with the ground water vapor pressure.
云量、可降水量、降水、水汽的变化是北半球大于南半球。
Cloud fraction, precipitable water, precipitation, and water vapor changes larger in north hemisphere than south one.
杨景梅，邱金桓.2002。用地面湿度参量计算我国整层大气可降水量及有效水汽含量方法的研究[J]。大气科学，26（1）：9-22。
Yang Jingmei, Qiu Jinheng. 2002. A method for estimating precipitable water and effective water vapor content from ground humidity parameters[J]. Chinese J Atmos Sci, 26(1):9-22.
杨景梅，邱金桓.2002。用地面湿度参量计算我国整层大气可降水量及有效水汽含量方法的研究[J]。大气科学，26（1）：9-22。
Yang Jingmei, Qiu Jinheng. 2002. A method for estimating precipitable water and effective water vapor content from ground humidity parameters[J]. Chinese J Atmos Sci, 26(1):9-22.
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