Near real-time GPS sensing of atmospheric water vapor

被引：215

作者：

Rocken, C ^{[1
]}

Van Hove, T ^{[1
]}

Ware, R ^{[1
]}

机构：

[1] Univ Navstar Consortium, Corp Atmospher Res, Boulder, CO 80307 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 1997年 / 24卷 / 24期

关键词：

D O I：

10.1029/97GL03312

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We describe sensing of atmospheric column water vapor in near real-time using the Global Positioning System (GPS). We use predicted GPS orbits for automated computation of vertical column water vapor within 30 minutes of GPS data collection. Based on a 4 month comparison, near real-time GPS column water vapor agrees with radiosondes and radiometers within 2 mm rms. Our near real-time column water vapor data are posted hourly at www.unavco.ucar.edu. They are available for assimilation in numerical weather models and for other applications.

引用

页码：3221 / 3224

页数：4

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