Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 11, issue 5
Articles | Volume 11, issue 5
https://doi.org/10.5194/gmd-11-1725-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-11-1725-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 5
Development and technical paper
 | 
04 May 2018
Development and technical paper |  | 04 May 2018

Development of the WRF-CO2 4D-Var assimilation system v1.0

Tao Zheng, Nancy H. F. French, and Martin Baxter

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Short summary
We developed WRF-CO2 4D-Var, a carbon dioxide data assimilation system based on the online atmospheric chemistry–transport model WRF-Chem. The accuracy of the model for sensitivity calculation and inverse modeling is assessed with pseudo-observation data. In this system, carbon dioxide is treated as an atmospheric tracer and its influence on meteorology is ignored. This system provides a useful model tool for regional-scale carbon source attribution and uncertainty assessment.
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