Near real-time GPS sensing of atmospheric water vapor

Christian Rocken; Teresa Van Hove; Randolph Ware

doi:10.1029/97GL03312

Near real-time GPS sensing of atmospheric water vapor

Christian Rocken
, Teresa Van Hove
, Randolph Ware

Constellation Observing System for Meteorology, Ionosphere, and Climate

UNAVCO, Inc.
University Corporation of Atmospheric Research

Research output: Contribution to journal › Article › peer-review

231 Scopus citations

Abstract

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.

Original language	English
Article number	97GL03312
Pages (from-to)	3221-3224
Number of pages	4
Journal	Geophysical Research Letters
Volume	24
Issue number	24
DOIs	https://doi.org/10.1029/97GL03312
State	Published - 1997

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10.1029/97GL03312

Cite this

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title = "Near real-time GPS sensing of atmospheric water vapor",

abstract = "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.",

author = "Christian Rocken and \{Van Hove\}, Teresa and Randolph Ware",

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AU - Van Hove, Teresa

AU - Ware, Randolph

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N2 - 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.

AB - 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.

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DO - 10.1029/97GL03312

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JO - Geophysical Research Letters

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ER -

Near real-time GPS sensing of atmospheric water vapor

Abstract

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