Articles | Volume 16, issue 7
https://doi.org/10.5194/gmd-16-1875-2023
https://doi.org/10.5194/gmd-16-1875-2023
Development and technical paper
 | 
04 Apr 2023
Development and technical paper |  | 04 Apr 2023

Assessing methods for representing soil heterogeneity through a flexible approach within the Joint UK Land Environment Simulator (JULES) at version 3.4.1

Heather S. Rumbold, Richard J. J. Gilham, and Martin J. Best

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Latest update: 02 May 2024
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Short summary
The Joint UK Land Environment Simulator (JULES) uses a tiled representation of land cover but can only model a single dominant soil type within a grid box; hence there is no representation of sub-grid soil heterogeneity. This paper evaluates a new surface–soil tiling scheme in JULES and demonstrates the impacts of the scheme using several soil tiling approaches. Results show that soil tiling has an impact on the water and energy exchanges due to the way vegetation accesses the soil moisture.