Paper Information

Journal:   IRAN-WATER RESOURCES RESEARCH   SPRING 2017 , Volume 13 , Number 1 #M0054; Page(s) 69 To 87.
 
Paper: 

SIMULATION AND ASSESSMENT OF MANAGEMENT PRACTICES FOR REDUCTION OF NUTRIENTS DISCHARGE TO THE ZREBAR LAKE USING SWAT MODEL

 
 
Author(s):  IMANI S., DELAVAR M.*, NIKSOKHAN M.H.
 
* DEPARTMENT OF WATER RESOURCES ENGINEERING, TARBIAT MODARES UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

Eeutrophication is a main challenge for surface water bodies, especially lakes and reservoirs. Zrebar Lake, as a resource of freshwater, is recently facing eutrophication problem. The aim of this study is to find solutions for water quality enhancement using integrated simulation approach. For this purpose, Soil and Water Assessment Tool (SWAT) was used as a water resources and agricultural systems simulation model. Here, its interaction with the changes in lake water quality and quantity were considered. In this study, the impacts of the various management practices (BPMs) in critical areas were analyzed. For this purpose, the influence of these strategies on improving water quality, crop yields and economical costs of their implementation were evaluated and finally the optimal solutions were selected using TOPSIS multi-criteria decision-making method. The results showed that, the filter strip, pollution control emissions in upstream (Qezelchesoo channel) and reducing fertilizer consumption up to 25%, respectively were the best management options in the basin. This study also implied that the economical analysis of BMPs is inevitable to present well organized approaches for controlling non-point source pollution discharges.

 
Keyword(s): EUTROPHICATION, SWAT MODEL, MANAGEMENT PRACTICES, MULTI-CRITERIA DECISION MAKING, ZREBAR LAKE
 
References: 
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