Articles | Volume 11, issue 5
Geosci. Model Dev., 11, 1725–1752, 2018
https://doi.org/10.5194/gmd-11-1725-2018
Geosci. Model Dev., 11, 1725–1752, 2018
https://doi.org/10.5194/gmd-11-1725-2018

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 et al.

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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.