Articles | Volume 14, issue 10
Development and technical paper
19 Oct 2021
Development and technical paper |  | 19 Oct 2021

A parameterization of sub-grid topographical effects on solar radiation in the E3SM Land Model (version 1.0): implementation and evaluation over the Tibetan Plateau

Dalei Hao, Gautam Bisht, Yu Gu, Wei-Liang Lee, Kuo-Nan Liou, and L. Ruby Leung

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Cited articles

Alexander, C., Deák, B., and Heilmeier, H.: Micro-topography driven vegetation patterns in open mosaic landscapes, Ecol. Indic., 60, 906–920, 2016. 
Arthur, R. S., Lundquist, K. A., Mirocha, J. D., and Chow, F. K.: Topographic Effects on Radiation in the WRF Model with the Immersed Boundary Method: Implementation, Validation, and Application to Complex Terrain, Mon. Weather Rev., 146, 3277–3292, 2018. 
Bailey, B. N., Ponce de León, M. A., and Krayenhoff, E. S.: One-dimensional models of radiation transfer in heterogeneous canopies: a review, re-evaluation, and improved model, Geosci. Model Dev., 13, 4789–4808,, 2020. 
Bisht, G., Riley, W. J., Hammond, G. E., and Lorenzetti, D. M.: Development and evaluation of a variably saturated flow model in the global E3SM Land Model (ELM) version 1.0, Geosci. Model Dev., 11, 4085–4102,, 2018. 
Bonan, G. B. and Doney, S. C.: Climate, ecosystems, and planetary futures: The challenge to predict life in Earth system models, Science, 359,, 2018. 
Short summary
Topography exerts significant influence on the incoming solar radiation at the land surface. This study incorporated a well-validated sub-grid topographic parameterization in E3SM land model (ELM) version 1.0. The results demonstrate that sub-grid topography has non-negligible effects on surface energy budget, snow cover, and surface temperature over the Tibetan Plateau and that the ELM simulations are sensitive to season, elevation, and spatial scale.