收稿日期: 2008-05-05
修回日期: 2008-06-11
网络出版日期: 2008-07-10
基金资助
国家自然科学基金项目“塔里木河下游生态安全与生态需水量研究”(编号:90502004)和“干旱区内陆河流域水文过程对全球气候变化的响应”(编号:40671014);中国科学院西部行动计划项目“塔里木河流域水资源利用与综合管理试验示范研究”(编号:KZCX2-XB2-03);中国科学院知识创新工程重要方向项目“新疆水资源的形成、转化与调控研究”(编号:KZCX2-YW-127)资助.
An Analysis of the Ecological Security and Ecological Water Requirements in the Inland River of Arid Region
Received date: 2008-05-05
Revised date: 2008-06-11
Online published: 2008-07-10
陈亚宁 , ;李卫红 , , 赵锐锋 , 叶朝霞 , ;陈亚鹏 , 郝兴明 . 干旱区内陆河流域的生态安全与生态需水量研究——兼谈塔里木河生态需水量问题[J]. 地球科学进展, 2008 , 23(7) : 732 -738 . DOI: 10.11867/j.issn.1001-8166.2008.07.0732
Combined with the discussion of key scientific problems concerning ecological security and water requirement in arid region, the paper puts forward a fact that Arid inland river basin, hydrologically, represents a relative closed catchments and a self-existent hydro-ecosystem, in which the water and eco-environment are interrelated and controlled, and formed the main body of river ecosystem. The ecological security analysis on fragile ecosystems in arid inland river basin are centering on water processes. Water processes control the ecological processes and affect the stability of ecosystems directly. Water resources development and utilization and water cycle have an important impact on the function of ecosystems. The study of reasonable groundwater table for the restoration and growth of natural vegetation is the basis for the establishment of ecological water requirement, and the study of water requirement has a very important significant in both ecological security and water use in arid land. By demonstration analysis, the present ecological water requirement maintaining the ecological security in the Tarim River was estimated at 31.74×108m3, of which 9.95×108m3, 18.47×108m3 and 3.32×108m3 for the upper, middle and lower reaches, respectively.
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