Articles | Volume 17, issue 22
https://doi.org/10.5194/acp-17-13983-2017
https://doi.org/10.5194/acp-17-13983-2017
Research article
 | 
24 Nov 2017
Research article |  | 24 Nov 2017

Data assimilation of GNSS zenith total delays from a Nordic processing centre

Magnus Lindskog, Martin Ridal, Sigurdur Thorsteinsson, and Tong Ning

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Latest update: 17 May 2024
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Short summary
Atmospheric moisture-related information obtained from Global Navigation Satellite System (GNSS) observations from ground-based receiver stations of the Nordic GNSS Analysis Centre (NGAA) has been used within a state-of-the-art kilometre-scale numerical weather prediction system. The sensitivity of results to aspects of the data processing, observation density, bias-correction and data assimilation has been investigated. Results show a benefit on forecast quality of using GNSS ZTD.
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