• 全国中文核心期刊
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LIANG Li-li, WANG Fang, WANG Dang-xian, WANG Hao. Research on the lowest ecological water level and ecological water quantity of Ulungur Lake[J]. Advances in Water Science, 2011, 22(4): 470-478.
Citation: LIANG Li-li, WANG Fang, WANG Dang-xian, WANG Hao. Research on the lowest ecological water level and ecological water quantity of Ulungur Lake[J]. Advances in Water Science, 2011, 22(4): 470-478.

Research on the lowest ecological water level and ecological water quantity of Ulungur Lake

Funds: The study is financially supported by the National Kev Technologies R&D Program of China during the 11 th Five-year Plan Period (No.2008B:4B42B09)
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  • Received Date: September 07, 2010
  • Revised Date: July 08, 2011
  • Setting ecological protection goal of Ulungur Lake is the foundation of the rational and efficient allocation of water reso nrees in this watershed.Baced on the characteristics of breeding of freshwater fish in cold water,the paper puts forward a new approach suitable for the lake in arid area on how to determine the lowest ecological water level subject to the relationship among the lake salinity,fishes and water quantity.According to the new approach,the ecological water demands for reserving the lowest ecological water level in typical years are calculated.The result shows that the lowest ecological water level of Buluntuo Lake is 476.12 m,while,Jili lake is 478.12 m.Deducting the precipitation and 400 million m3 of water diverted from outside river basin,there is still a deficit with an amount of 644 million m3,533 million m3,220 million m3 and 106 million m3 respectively by the year with precipitation frequency of 92%,81%,46% and the normal.Finally,an analysis on the reliability of results is done.

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