引江调水对阳澄淀泖区水环境改善效果分析

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英文篇名：Analysis on effect of water environment improvement on Yangcheng and Dianmao districts by water diversion from Yangtze River 作者：蔡晓钰 ; 杨金艳 ; 杨文晶 ; 白瑞泉 ; 姜宇 英文作者：CAI Xiaoyu;YANG Jinyan;YANG Wenjing;BAI Ruiquan;JIANG Yu;Suzhou Branch of Jiangsu Province Hydrology and Water Resources Investigation Bureau; 关键词：引江调水 ; 水环境 ; 改善效果 ; 阳澄淀泖区 ; 太湖 英文关键词：water diversion from Yangtze River;;water environment;;improvement effect;;Yangcheng and Dianmao Districts;;Taihu Lake 中文刊名：人民长江 英文刊名：Yangtze River 机构：江苏省水文水资源勘测局苏州分局; 出版日期：2019-03-28 出版单位：人民长江 年：2019 期：03 基金：水利部公益性行业科研专项项目(201501015-04) 语种：中文; 页：58-63+97 页数：7 CN：42-1202/TV ISSN：1001-4179 分类号：X52

摘要

引江调水是有效改善区域水环境的措施之一。根据苏州市沿江口门水利工程2017年5月9～18日的调水实测数据,分析了阳澄淀泖区引水前后主要污染物浓度的变化及引水量与水质综合污染指数的关系,发现引江调水能加快区域内河网水体流动,并使得通江河道及阳澄湖以西区域水环境得到明显改善,特别是氨氮指标能提高1～2个水质类别,综合污染指数亦有所降低。根据分析结果,明确了调水对阳澄淀泖区不同区域的水质改善程度,这将有利于调水方案的优化和区域的水环境管理。
        Water diversion from the Yangtze River is one of effective measures for improving the regional water environment of Taihu Lake. According to the water diversion test data of the water conservancy projects along the Yangtze River in Suzhou city from May 9 to 18, 2017, the concentration change of main pollutants and the relationship between water diversion and water quality pollution index in Yangcheng and Dianmao districts before and after water diversion are analyzed. The results show that water diversion from the Yangtze River can speed up the water flow in the river network, significantly improve the water quality in the rivers connected to the Yangtze River and the west area of Yangcheng sub-Lake, especially, the ammonia nitrogen index can be raised 1-2 water quality classification, comprehensive pollution index also decreased. According to the analysis result, the improvement degree of water quality in various water zones of Yangcheng and Dianmao districts by water diversion are determined, which will be conducive to the water diversion scheme optimization and water environment management.

引文

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