THE ENVIRONMENTAL FLOW METHOD FOR SUPPLEMENTING THE WATER NEEDED FOR THE MANAGEMENT OF SELANGOR RIVER, MALAYSIA

Q4 Environmental Science
Y. M. WU, M. GOLNOOSH
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Abstract

The shortage of water resources is one of the main problems in the world today, and water pollution and under-utilization of water resources are two factors contributing to this shortage. Appropriate supplement environmental flow can have a positive impact on dilution of pollutants, and consequently on fish habitats and the characteristics of the river channels. The purpose of this study is to determine the environmental water demand of the lower Selangor River, known as Sungai Selangor, through the Tennant Method, and then compare the data with the findings in available documents in order to ascertain the most economical and favorable supplement environmental flow method. The results of this study show that the months of November and December between the years 2009 and 2018 were the peak periods of discharge, with it being important for the discharge of these two months to meet 200% of the average annual flow needed to maintain fish habitats and channels in downstream Sungai Selangor. To meet the requirements of supplement environmental flow and improvement of water quality, it is recommended that the spillway working gate of the Sungai Kerling hydropower plant be modified so that the flow can be discharged downstream to supplement the environmental flow. Providing environmental flows for downstream would generate economic benefits and allow upstream and downstream regions to share resources.
马来西亚雪兰莪河管理所需的补充水的环境流动方法
水资源短缺是当今世界面临的主要问题之一,水污染和水资源利用不足是造成水资源短缺的两个因素。适当补充环境流量可以对污染物的稀释产生积极影响,从而对鱼类栖息地和河道特征产生积极影响。本研究的目的是通过Tennant方法确定雪兰莪河下游的环境需水量,称为Sungai雪兰莪,然后将数据与现有文献的研究结果进行比较,以确定最经济和有利的补充环境流量方法。本研究结果表明,2009年至2018年期间的11月和12月是流量高峰期,这两个月的流量必须达到维持下游双溪雪兰莪州鱼类栖息地和渠道所需的年平均流量的200%。为满足补充环境流量和改善水质的要求,建议对双溪柯岭水电站溢洪道工作闸门进行改造,使其流向下游,补充环境流量。为下游提供环境流将产生经济效益,并使上下游地区共享资源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Pollution Research
Pollution Research Environmental Science-Water Science and Technology
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期刊介绍: POLLUTION RESEARCH is one of the leading enviromental journals in world and is widely subscribed in India and abroad by Institutions and Individuals in Industry, Research and Govt. Departments.
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