Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 6
Articles | Volume 10, issue 6
https://doi.org/10.5194/amt-10-2045-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/amt-10-2045-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 6
Research article
 | 
07 Jun 2017
Research article |  | 07 Jun 2017

A new voxel-based model for the determination of atmospheric weighted mean temperature in GPS atmospheric sounding

Changyong He, Suqin Wu, Xiaoming Wang, Andong Hu, Qianxin Wang, and Kefei Zhang

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Short summary
Atmospheric weighted mean temperature (Tm) is a key parameter in precipitable water vapour (PWV) detection using GPS technique. This paper develops a new voxel-based empirical Tm model, which takes into consideration the lapse rate and diurnal variations of Tm. The theoretical RMS error of PWV resulting from the new model is generally less than 0.8 m over the globe. Therefore, it can be used as an alternative Tm determination method in the real-time GPS-based water vapour detection system.
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