Determination of environmental water requirements of Lake Urmia, Iran: An ecological approach

被引:89
作者
Abbaspour, M. [1 ]
Nazaridoust, A. [2 ]
机构
[1] Faculty of Department of Mechanical Engineering, Sharif University of Technology
[2] Environment and Energy Faculty, Islamic Azad University, Science and Research Campus, Tehran
关键词
Artemia urmiana; Ecological approach; Lake Urmia; Water requirement;
D O I
10.1080/00207230701238416
中图分类号
学科分类号
摘要
Lake Urmia is a thalassohaline ecosystem. It is an extremely simple ecological pyramid. This makes it a very sensitive ecosystem. This ecosystem has been facing various threats regarding the amount of water released from the associated basin. To calculate the lake water requirement with an ecological approach, we identified three variables: ecology, water quality, and water quantity indices as environmental indicators. The ecological index represented by Artemia urmiana is considered as an independent variable; while, the water quality index represented by concentration of NaCl, and the water quantity index represented by water elevation are regarded as dependent variables. The salinity threshold of 240 ppt (parts per thousand) is selected as the water quality requirement for Artemia urmiana. Finally, the aggregation of these variables shows that Lake Urmia requires annually 3086 MCM of inflow water to have a sustainable ecosystem. © 2007 Taylor & Francis.
引用
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页码:161 / 169
页数:8
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