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ANGEO | Articles | Volume 37, issue 1
Ann. Geophys., 37, 25–36, 2019
https://doi.org/10.5194/angeo-37-25-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Advanced Global Navigation Satellite Systems tropospheric...

Ann. Geophys., 37, 25–36, 2019
https://doi.org/10.5194/angeo-37-25-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 15 Jan 2019

Regular paper | 15 Jan 2019

Comparisons between the WRF data assimilation and the GNSS tomography technique in retrieving 3-D wet refractivity fields in Hong Kong

Zhaohui Xiong et al.
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (further review by editor and referees) (22 Oct 2018) by Marc Salzmann
AR by Bao Zhang on behalf of the Authors (05 Dec 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Dec 2018) by Marc Salzmann
RR by Anonymous Referee #1 (21 Dec 2018)
ED: Publish as is (21 Dec 2018) by Marc Salzmann
Publications Copernicus
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Short summary
A comparison between the GNSS tomography technique and WRFDA in retrieving wet refractivity (WR) is conducted in HK during a wet period and a dry period. The results show that both of them can retrieve good WR. In most of the cases, the WRFDA output outperforms the tomographic WR, but the tomographic WR is better than the WRFDA output in the lower troposphere in the dry period. By assimilating better tomographic WR in the lower troposphere into the WRFDA, we slightly improve the retrieved WR.
A comparison between the GNSS tomography technique and WRFDA in retrieving wet refractivity (WR)...
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