Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 17, issue 17
Articles | Volume 17, issue 17
https://doi.org/10.5194/gmd-17-6571-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-17-6571-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 17
Development and technical paper
 | 
03 Sep 2024
Development and technical paper |  | 03 Sep 2024

Exploring the footprint representation of microwave radiance observations in an Arctic limited-area data assimilation system

Máté Mile, Stephanie Guedj, and Roger Randriamampianina

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Short summary
Satellite observations provide crucial information about atmospheric constituents in a global distribution that helps to better predict the weather over sparsely observed regions like the Arctic. However, the use of satellite data is usually conservative and imperfect. In this study, a better spatial representation of satellite observations is discussed and explored by a so-called footprint function or operator, highlighting its added value through a case study and diagnostics.
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