globalchange  > 气候减缓与适应
DOI: 10.2166/wcc.2015.194
论文题名:
Influence of human activities and climate variability on green and blue water provision in the Heihe River Basin, NW China
作者: Zang C.; Liu J.; Gerten D.; Jiang L.
刊名: Journal of Water and Climate Change
ISSN: 20402244
出版年: 2015
卷: 6, 期:4
起始页码: 800
结束页码: 815
语种: 英语
英文关键词: Blue water ; Green water ; Green water coefficient ; Heihe River Basin ; Land use change ; Scenario analysis
英文摘要: Human activities and climate simultaneously affect water cycling and provision. Here, we study the impacts of climate variability and human activities on green and blue water provision (or the flows of both green water and blue water) in the inland Heihe River Basin as simulated by the Soil and Water Assessment Tool (SWAT). The results show that total green and blue water flow varied significantly from 1980 to 2010. Direct human activities did not significantly change the sum of green and blue water flow volumes. However, land use change led to a transformation of 206 million m3/year in the entire river basin from green to blue water flow, while farmland irrigation expansion resulted in a transformation of 66 million m3 from blue to green water flow. The synchronous climate variability, with an upward precipitation trend, caused an increase of green water flow by 469 million m3/year and an increase of blue water flow by 146 million m3/year at the river basin level over the study period. The results provide a general approach to investigate the impacts of historical human activities and climate variability on water provision at the river basin level. © IWA Publishing 2015.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67644
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作者单位: School of Nature Conservation, Beijing Forestry University, Qinghua East Road 35, Haidian District, Beijing, China; National Forest Ecosystem Monitor and Scientific, Research Station in Greater Xingan Mountains of Inner Mongolia, Inner Mongolia Agricultural University, Daxue East Road, Saihan District, Huhehaote, China; Research Domain 1: Earth System Analysis, Potsdam Institute for Climate Impact Research, Telegrafenberg A62, Potsdam, Germany; Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11A, Datun Road, Chaoyang District, Beijing, China

Recommended Citation:
Zang C.,Liu J.,Gerten D.,et al. Influence of human activities and climate variability on green and blue water provision in the Heihe River Basin, NW China[J]. Journal of Water and Climate Change,2015-01-01,6(4)
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