Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 34, issue 9
Articles | Volume 34, issue 9
https://doi.org/10.5194/angeo-34-789-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-34-789-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 34, issue 9
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, Pengfei Xia, and Changsheng Cai

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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.
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