塔里木河下游生态输水河道两侧区域地下水运动规律研究

doi:10.13826/j.cnki.cn65-1103/x.2003.02.006

摘要/Abstract

摘要： 根据塔里木河下游断流区域含水层水文地质特征及其实际输水过程中河水对浅层地下水的补给规律, 建立了塔里木河下游绿色走廊生态输水河道附近区域地下水运动的一维非稳定流模型, 并通过在整个输水过程中流量与水位两种边界条件相互转换的一种方法求解模型。最后应用上述模型分析了间歇性输水条件下塔里木河下游断流河段河道两侧地下水位恢复状况, 为输水生态效益的定量评价及其今后输水工作的决策提供理论基础。

关键词: 断流河段, 塔里木河下游, 间歇性输水, 地下水

Abstract: Tarim River is the longest continental river in China, and is essential to the oases in the watershed and of the "Green Corridor" in its lower reaches. The Tarim River watershed is characterized by the arid climate and the vulnerable ecological environment. This paper develops the models of one-dimensional unsteady current of groundwater movement in the vicinities along the river channel of stream water transportation for the "Green Corridor" in the lower reaches of Tarim River based on the hydrogeologic conditions of the aquifer and the practical recharge to the shallow groundwater during the stream water transportation to the stream water cut-off river section at the lower reaches of Tarim River. The models are solved by transforming the boundary conditions of both discharge of stream flow and the groundwater level during the stream water transportation. The status of the groundwater rising is analyzed by using the models under the intermittent stream water transportation to the stream flow cut-off river section at the lower reaches of Tarim River. The results can provide the theoretical bases for the quantitative evaluation of the ecological benefits and the policy-making of the stream water transportation to the lower reaches of Tarim River.

Key words: stream flow cut-off river section, Tarim River, inter mittent stream water transportation, groundwater movement, groundwater level

中图分类号:

P641.2

阿里木·吐尔逊, 徐卫亚. 塔里木河下游生态输水河道两侧区域地下水运动规律研究[J]. 干旱区地理, 2003, 26(2): 129-135.

Alim TURSUN, XU Wei-ya. Study on the Groundwater Movement in the Vicinities Along the River Channel of Stream Water Transportation to the Lower Reaches of Tarim River, Xinjiang[J]. Arid Land Geography, 2003, 26(2): 129-135.

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