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题名: Climate-driven changes in grassland vegetation, snow cover, and lake water of the Qinghai Lake basin
作者: Wang, Xuelu; Liang, TG(梁天刚); Xie, Hongjie; Huang, Xiaodong; Lin, Huilong
收录类别: SCIE ; EI
出版日期: 2016-07-01
刊名: Journal of Applied Remote Sensing
卷号: 10, 期号:3
出版者: SPIE
出版地: BELLINGHAM
英文摘要: Qinghai Lake basin and the lake have undergone significant changes in recent decades. We examine MODIS-derived grassland vegetation and snow cover of the Qinghai Lake basin and their relations with climate parameters during 2001 to 2010. Results show: (1) temperature and precipitation of the Qinghai Lake basin increased while evaporation decreased; (2) most of the grassland areas improved due to increased temperature and growing season precipitation; (3) weak relations between snow cover and precipitation/vegetation; (4) a significantly negative correlation between lake area and temperature (r = -0.9, p < 0.05); and (5) a positive relation between lake level (lake-level difference) and temperature (precipitation). Compared with Namco Lake (located in the inner Tibetan Plateau) where the primary water source of lake level increases was the accelerated melt of glacier/perennial snow cover in the lake basin, for the Qinghai Lake, however, it was the increased precipitation. Increased precipitation explained the improvement of vegetation cover in the Qinghai Lake basin, while accelerated melt of glacier/perennial snow cover was responsible for the degradation of vegetation cover in Namco Lake basin. These results suggest different responses to the similar warming climate: improved (degraded) ecological condition and productive capacity of the Qinghai Lake basin (Namco Lake basin). (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
关键词: Qinghai Lake basin ; climate change ; grassland vegetation ; lake-level variation ; snow cover ; remote sensing
作者部门: (1) Lanzhou University, College of Pastoral Agriculture Science and Technology, State Key Laboratory of Grassland Agro-Ecosystems, Lanzhou ; 730020, China ; (2) University of Texas at San Antonio, Department of Geological Sciences, Laboratory for Remote Sensing and Geoinformatics, San Antonio ; TX ; 78249, United States
通讯作者: Lin, HL (reprint author), Lanzhou Univ, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Agroecosyst, Lanzhou 730020, Peoples R China.
学科分类: Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology
文章类型: Article
所属项目编号: Chinese Natural Science Foundation [31228021, 31372367, 31172250] ; Nonprofit Special Funds for scientific research projects ; Ministry of Agriculture of China [201203006] ; Program for Changjiang Scholars and Innovative Research Team in University, System Coupling and Management of Grassland Agro-ecosystems
所属项目名称: 长江学者和创新团队发展计划 ; 公益性行业科研专项
项目资助者: MOE ; MOA
语种: 英语
DOI: 10.1117/1.JRS.10.036017
ISSN号: 1931-3195
WOS记录号: WOS:000389725600001
EI记录号: 20163602764617
IR记录号: 20163602764617
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/179263
Appears in Collections:草地农业科技学院_期刊论文

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Recommended Citation:
Wang, Xuelu,Liang, Tiangang,Xie, Hongjie,et al. Climate-driven changes in grassland vegetation, snow cover, and lake water of the Qinghai Lake basin[J]. Journal of Applied Remote Sensing,2016,10(3).
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