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Albedo indicating land degradation around the Badain Jaran Desert for better land resources utilization

文献类型： 外文期刊

作者： Liu, Fengshan 1 ; Chen, Ying 1 ; Lu, Haiying 2 ; Shao, Hongbo 2 ;

作者机构： 1.Fujian Agr & Forestry Univ, Fuzhou 350002, Fujian, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China

3.Fujian Agr & Forestry Univ, China Natl Engn Res Ctr JUNCAO Technol, Fuzhou 350002, Fujian, Peoples R China

4.Fujian Agr & Forestry Univ, Coll Forestry, Fuzhou 350002, Fujian, Peoples R China

关键词： Albedo;Leaf area index;Precipitation;The Badain Jaran Desert;Sustainable development for land resources

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：7.963； 五年影响因子：7.842 ）

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收录情况： SCI

摘要： Surface albedo is an easy access parameter in reflecting the status of both human disturbed soil and indirectly influenced area, whose characteristic is an important indicator in sustainable development under the background of global climate change. In this study, we employed meteorological data, MODIS 8-day BRDF/Albedo and LAI products from 2000 to 2014 to show the amelioration and mechanism around the Badain Jaran Desert Results showed that the human-dominated afforestation activities significantly increased the leaf area index (LAI) in summer and autumn. Lower reflectance at visible band was sensed inside the desert compared with the ecozone and the lowest albedo at forested area. The contribution of soil and vegetation reflectance to surface albedo determined the linear sensitivity of albedo to LAI variation. Decreased albedo dominated the spatial-temporal pattern of the Badain Jaran Desert. This study suggested that surface albedo can be regarded as a useful index in indicating the change process and evaluating the sustainable development of biological management around the Badain Jaran Desert (C) 2016 Published by Elsevier B.V.

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