Inclusion of Solar Elevation Angle in Land Surface Albedo Parameterization Over Bare Soil Surface.

Journal of Advances in Modeling Earth Systems
Zhiyuan ZhengDongdong Yan

Abstract

Land surface albedo is a significant parameter for maintaining a balance in surface energy. It is also an important parameter of bare soil surface albedo for developing land surface process models that accurately reflect diurnal variation characteristics and the mechanism behind the solar spectral radiation albedo on bare soil surfaces and for understanding the relationships between climate factors and spectral radiation albedo. Using a data set of field observations, we conducted experiments to analyze the variation characteristics of land surface solar spectral radiation and the corresponding albedo over a typical Gobi bare soil underlying surface and to investigate the relationships between the land surface solar spectral radiation albedo, solar elevation angle, and soil moisture. Based on both solar elevation angle and soil moisture measurements simultaneously, we propose a new two-factor parameterization scheme for spectral radiation albedo over bare soil underlying surfaces. The results of numerical simulation experiments show that the new parameterization scheme can more accurately depict the diurnal variation characteristics of bare soil surface albedo than the previous schemes. Solar elevation angle is one of the most ...Continue Reading

References

Jan 23, 2010·Science·Eyal Rotenberg, Dan Yakir
Oct 3, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Tsehai A J GrellKadir Aslan

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Citations

Dec 22, 2019·Scientific Reports·Chunlei Meng, Huoqing Li
Jul 3, 2020·The Science of the Total Environment·Bo Xiao, Matthew A Bowker

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Software Mentioned

ALIEX
NWC
Community Land Model

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