Articles | Volume 33, issue 1
Ann. Geophys., 33, 55–61, 2015
https://doi.org/10.5194/angeo-33-55-2015
Ann. Geophys., 33, 55–61, 2015
https://doi.org/10.5194/angeo-33-55-2015

Regular paper 13 Jan 2015

Regular paper | 13 Jan 2015

Validation of GPS atmospheric water vapor with WVR data in satellite tracking mode

M. Shangguan et al.

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Short summary
We present validation results covering 184 days of SIWV (slant-integrated water vapor) observed by a ground-based GPS receiver and a WVR (water vapor radiometer). SIWV data from GPS and WVR generally show good agreement, and the relation between their differences and possible influential factors are analyzed. The differences in SIWV show a relative elevation dependence. Besides the elevation, dependencies between the atmospheric humidity conditions, temperature and differences in SIWV are found.