Discontinuous Galerkin (DG) Methods for Richards Equation used in land surface model
Abstract
As important components of the land hydrologic cycle, soil water and groundwater impact the fluxes of heat and moisture between the land surface and the overlying atmosphere and affect climate eventually. To better reveal the impacts of soil water and groundwater on land surface processes and climate, a new soil water-groundwater model based on Discontinuous Galerkin (DG) methods which keeps water balance has been developed and implemented into the land surface model. The new model presents higher accuracy relative to the scheme used in the land surface model. It provides a better land surface model for development of high performance climate model to understand the soil water and groundwater affecting land surface hydrological processes and climate.
- Publication:
-
AGU Fall Meeting Abstracts
- Pub Date:
- December 2018
- Bibcode:
- 2018AGUFM.H22I..05Q
- Keywords:
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- 1807 Climate impacts;
- HYDROLOGYDE: 1807 Climate impacts;
- HYDROLOGYDE: 1813 Eco-hydrology;
- HYDROLOGYDE: 1813 Eco-hydrology;
- HYDROLOGYDE: 1815 Erosion;
- HYDROLOGYDE: 1815 Erosion;
- HYDROLOGYDE: 1843 Land/atmosphere interactions;
- HYDROLOGYDE: 1843 Land/atmosphere interactions;
- HYDROLOGY