globalchange  > 气候减缓与适应
DOI: 10.2166/wcc.2016.047
论文题名:
Spatiotemporal variability of streamflow and attribution in the Three-Rivers Headwater Region, northwest China
作者: Jiang C.; Li D.; Gao Y.; Liu X.; Liu W.; Zhang L.
刊名: Journal of Water and Climate Change
ISSN: 20402244
出版年: 2016
卷: 7, 期:3
起始页码: 637
结束页码: 649
语种: 英语
英文关键词: Attribution analysis ; Glacier melting ; Precipitation ; Streamflow ; Three-rivers headwater region (TRHR)
英文摘要: Monthly hydrological and daily meteorological data were collected across the Three-Rivers Headwater Region (TRHR) over a period from 1956 to 2012. Modified Mann-Kendall tests, flow duration curves, and correlation statistics were performed to identify long-term trend and interrelationships between these hydro-meteorological variables and to analyse the factors influencing runoff. The results of these analyses are as follows. (1) In the last 57 years, the annual runoff in the Lancang River Basin (LRB) and the Yangtze River Basin (YARB) has shown an increasing trend, while the runoff in the main stream of the Yellow River Basin (YRB) was slightly reduced. (2) In the YRB and the YARB, both the high and low flows decreased and increased together, respectively, whereas in the LRB, the high flow decreased while the low flow increased. (3) In the TRHR, the proportional change in annual runoff due to climate variability accounted for >85% of the observed change, while anthropogenic activity and glacier melting was responsible for ~15%. The contribution of anthropogenic activity in the YRB and LRB was higher than that in YARB due to the greater anthropogenic activity. The contribution of glacier melting in the YARB and LRB were obviously higher than that in YRB due to the higher densities of glaciers. © IWA Publishing 2016.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67591
Appears in Collections:气候减缓与适应

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作者单位: College of Global Change and Earth System Science, Beijing Normal University, Beijing, China; Joint Center for Global Change Studies, Beijing, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China; Key Laboratory of Regional Eco-Process and Function Assessment and State Environment Protection, Chinese Academy of Environmental Sciences, Beijing, China; College of Resources Science and Technology, Beijing Normal University, Beijing, China; EAWAG, Swiss Federal Institute of Aquatic Science and Technology, Ueberlandstrasse 133, Duebendorf, Switzerland

Recommended Citation:
Jiang C.,Li D.,Gao Y.,et al. Spatiotemporal variability of streamflow and attribution in the Three-Rivers Headwater Region, northwest China[J]. Journal of Water and Climate Change,2016-01-01,7(3)
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