globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2017MS001109
Scopus记录号: 2-s2.0-85039708474
论文题名:
Inclusion of Solar Elevation Angle in Land Surface Albedo Parameterization Over Bare Soil Surface
作者: Zheng Z; , Wei Z; , Wen Z; , Dong W; , Li Z; , Wen X; , Zhu X; , Ji D; , Chen C; , Yan D
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2017
卷: 9, 期:8
起始页码: 3069
结束页码: 3081
语种: 英语
英文关键词: Climate models ; Moisture ; Moisture determination ; Parameterization ; Radiation ; Soil moisture ; Soils ; Solar radiation ; Surface measurement ; Arid and semi-arid areas ; Bare soil surface ; Characteristics and mechanisms ; Numerical simulation experiment ; Parameterization schemes ; Soil moisture measurement ; Solar elevation ; Variation characteristics ; Soil surveys ; albedo ; bare soil ; diurnal variation ; environmental factor ; land surface ; numerical method ; soil moisture ; soil surface ; solar radiation ; spectral analysis ; surface energy
英文摘要: 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 important factors for parameterizing bare soil surface albedo and must be considered in the parameterization scheme, especially in arid and semiarid areas with low soil moisture content. This study reveals the characteristics and mechanism of the diurnal variation of bare soil surface solar spectral radiation albedo and is helpful in developing land surface process models, weather models, and climate models. © 2017. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75694
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Center for Monsoon and Environment Research, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, School of Atmospheric Sciences, Sun Yat-Sen University, Guangzhou, China; State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing, China; Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China; Zhuhai Joint Innovative Center for Climate-Environment-Ecosystem, Key Laboratory of Urban Climate and Ecodynamics, Future Earth Research Institute, Beijing Normal University, Zhuhai, China; Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu, China

Recommended Citation:
Zheng Z,, Wei Z,, Wen Z,et al. Inclusion of Solar Elevation Angle in Land Surface Albedo Parameterization Over Bare Soil Surface[J]. Journal of Advances in Modeling Earth Systems,2017-01-01,9(8)
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