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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 34, issue 9
Ann. Geophys., 34, 789–799, 2016
https://doi.org/10.5194/angeo-34-789-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 34, 789–799, 2016
https://doi.org/10.5194/angeo-34-789-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 20 Sep 2016

Regular paper | 20 Sep 2016

Optimization of GPS water vapor tomography technique with radiosonde and COSMIC historical data

Shirong Ye et al.

Data sets

COSMIC Radio Occultation data COSMIC Data Analysis and Archive Center (CDAAC) http://cosmic-io.cosmic.ucar.edu/cdaac/index.html

45004 Kings Park radiosonde observations University of Wyoming (UWYO) http://weather.uwyo.edu/upperair/sounding.html

GPS data and meteorological data Survey and Mapping Office of the Lands Department https://www.geodetic.gov.hk/

Publications Copernicus
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Short summary
The near-real-time high spatial resolution of atmospheric water vapor distribution is vital in numerical weather prediction. GPS tomography technique has been proved effectively for three-dimensional water vapor reconstruction. In this study, the tomography processing is optimized in a few aspects by the aid of radiosonde and COSMIC historical data, including the accuracy improvement of tropospheric zenith hydrostatic delay and precipitable water vapor conversion factor.
The near-real-time high spatial resolution of atmospheric water vapor distribution is vital in...
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