期刊
STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT
卷 24, 期 3, 页码 349-358出版社
SPRINGER
DOI: 10.1007/s00477-009-0324-0
关键词
Climate change; Mann-Kendall trend test; Water resources; The arid regions; Tarim River basin
类别
资金
- Nanjing Institute of Geography and Limnology [37000-3171315]
- CAS [CXNIGLAS200814, 05710401]
- National Scientific and Technological Support Program [2007BAC03A0604]
- Key Laboratory of Oasis Ecology and Desert Environment
- Xinjiang Institute of Ecology and Geography
- Hohai University
Streamflow series of five hydrological stations were analyzed with aim to indicate variability of water resources in the Tarim River basin. Besides, impacts of climate changes on water resources were investigated by analyzing daily precipitation and temperature data of 23 meteorological stations covering 1960-2005. Some interesting and important results were obtained: (1) the study region is characterized by increasing temperature, however, only temperature in autumn is in significant increasing trend; (2) precipitation changes present different properties. Generally, increasing precipitation can be detected. However, only the precipitation in the Tienshan mountain area is in significant increasing trend. Annual streamflow of major rivers of the Tarim River basin are not in significant trends, except that of the Akesu River which is in significantly increasing trend. Due to the geomorphologic properties of the Tienshan mountain area, precipitation in this area demonstrates significant increasing trend and which in turn leads to increasing streamflow of the Akesu River. Due to the fact that the sources of streamflow of the rivers in the Tarim River basin are precipitation and melting glacial, both increasing precipitation and accelerating melting ice has the potential to cause increasing streamflow. These results are of practical and scientific merits in basin-scale water resource management in the arid regions in China under the changing environment.
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