Biogeosciences
Biogeosciences
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Articles | Volume 19, issue 24
Articles | Volume 19, issue 24
https://doi.org/10.5194/bg-19-5779-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-5779-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 24
Research article
 | 
16 Dec 2022
Research article |  | 16 Dec 2022

Evaluation of wetland CH4 in the Joint UK Land Environment Simulator (JULES) land surface model using satellite observations

Robert J. Parker, Chris Wilson, Edward Comyn-Platt, Garry Hayman, Toby R. Marthews, A. Anthony Bloom, Mark F. Lunt, Nicola Gedney, Simon J. Dadson, Joe McNorton, Neil Humpage, Hartmut Boesch, Martyn P. Chipperfield, Paul I. Palmer, and Dai Yamazaki

Data sets

University of Leicester GOSAT Proxy XCH4 v9.0 R. Parker and H. Boesch https://doi.org/10.5285/18ef8247f52a4cb6a14013f8235cc1eb

WetCHARTs v1.0 A. A. Bloom, K. Bowman, M. Lee, A. J. Turner, R. Schroeder, J. R. Worden, R. J. Weidner, K. C. McDonald, and D. J. Jacob https://doi.org/10.3334/ORNLDAAC/1502

Development of a global dataset of Wetland Area and Dynamics for Methane Modeling (WAD2M) (1.0) Zhen Zhang, Etienne Fluet-Chouinard, Katherine Jensen, Kyle McDonald, Gustaf Hugelius, Thomas Gumbricht, Mark Carroll, Catherine Prigent, Annett Bartsch, and Benjamin Poulter https://doi.org/10.5281/zenodo.3998454

GOSAT Methane Data (TANSO-FTS OCPR) on Climate Data Store ECMWF https://doi.org/10.24381/cds.b25419f8

CMS: Global 0.5-deg Wetland Methane Emissions and Uncertainty (WetCHARTs v1.0) A. A. Bloom, K. Bowman, M. Lee, A. J. Turner, R. Schroeder, J. R. Worden, R. J. Weidner, K. C. McDonald, and D. J. Jacob https://doi.org/10.3334/ORNLDAAC/1502

TROPOMI/WFMD Methane Data Product O. Schneising https://www.iup.uni-bremen.de/carbon_ghg/products/tropomi_wfmd/

Model code and software

JULES Source Code UK Met Office https://code.metoffice.gov.uk/trac/jules/log/main/trunk?rev=10836

Rose Suites UK Met Office https://code.metoffice.gov.uk/trac/roses-u/

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Short summary
Wetlands are the largest natural source of methane, one of the most important climate gases. The JULES land surface model simulates these emissions. We use satellite data to evaluate how well JULES reproduces the methane seasonal cycle over different tropical wetlands. It performs well for most regions; however, it struggles for some African wetlands influenced heavily by river flooding. We explain the reasons for these deficiencies and highlight how future development will improve these areas.
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