常熟市南部河网原型调水试验与模拟分析
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摘要
近年来,常熟市南部河网受工业化和人类活动的威胁,水体污染严重。为改善水环境质量,基于常熟市现有的河道输水能力及区域水环境状态,通过望虞河向长江引水,观测主要河道的分流情况。同时根据试验数据,建立符合常熟市南部河网地区的水量水质数学模型,分析不同引水方案对片区水环境的改善效果。结果表明,通过水系结构连通规则,滞水区有所减少,区域内流量分配得到优化,水体循环有所改善。
Recent years,water pollution in the south of river network in Changshu City is seriously threatened by potential industrialization and human activities.In order to improve the quality of water environment,based on the current water delivery capacity and the status of regional water environment in Changshu City,the flow distribution of the main river was observed by diversion water from the Yangtse River to Wangyu River.Then the field prototype experiment was conducted to establish the mathematical model of water quality and water yield.Finally,the effect of different diversion schemes on the improvement of regional water environment was analyzed.The results show that the zone of stagnant water is reduced,and the regional discharge distribution is optimized as well as the cycle of water body is improved.
Recent years,water pollution in the south of river network in Changshu City is seriously threatened by potential industrialization and human activities.In order to improve the quality of water environment,based on the current water delivery capacity and the status of regional water environment in Changshu City,the flow distribution of the main river was observed by diversion water from the Yangtse River to Wangyu River.Then the field prototype experiment was conducted to establish the mathematical model of water quality and water yield.Finally,the effect of different diversion schemes on the improvement of regional water environment was analyzed.The results show that the zone of stagnant water is reduced,and the regional discharge distribution is optimized as well as the cycle of water body is improved.
引文
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[2]张刚,逄勇,崔广柏.改善太仓城区水环境原型调水实验研究及模型建立[J].安全与环境学报,2006,6(4):34-37.
[3]王超,逄勇,崔广柏,等.张家港水环境调水实验研究及数据模型建立[J].环境科学与技术,2005,28(5):3-4.
[4]马秀梅.平原河网地区的水系规划研究[D].南京:河海大学,2006.
[5]王超,卫臻,张磊,等.平原河网区调水改善水环境实验研究[J].河海大学学报:自然科学版,2005,33(2):136-138.
[6]SL44-2006,水利水电工程设计洪水计算规范[S].北京:中国水利水电出版,2006.
[7]毛新伟,陆铭锋,贾小网,等.太湖流域望虞河以西地区沿长江引水格局变化及其影响分析[J].水利发展研究,2010,10(9):31-34.
[8]程波,张泽,陈凌,等.太湖水体富营养化与流域农业面源污染的控制[J].农业环境科学学报,2005,24(S1):118-124.
[9]李卉,苏保林.平原河网地区农业非点源污染负荷估算方法综述[J].北京师范大学学报:自然科学版,2009,45(S1):662-666.
[10]韩龙喜,陆冬.平原河网水流水质模型研究展望[J].河海大学学报:自然科学版,2004,32(2):127-130.
[11]左俊杰,蔡永立.平原河网地区汇水区的划分方法:以上海市为例[J].水科学进展,2011,22(3):337-343.