南水北调中线工程对汉江中下游纳污能力的影响
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摘要
南水北调中线工程的实施对汉江中下游流域的生态环境造成一系列的影响。采用中点概化法和均匀概化法分析不同设计流量下调水前后高锰酸盐指数、NH3-N纳污能力的变化。结果表明,调水后无引江济汉工程时,不同保证率下高锰酸盐指数及NH3-N纳污能力下降幅度分别为35.02%～36.69%、34.00%～52.16%,加入引江济汉工程后下降幅度均减少,分别为12.86%～17.49%、13.50%～37.30%。研究结果可为相关环保部门水污染控制提供理论依据。
Middle route of South-to-North water diversion project caused a series of impacts on the ecological environment of the middle and lower Hanjiang River.In this paper,the midpoint generalization and the uniform generalization methods were used to analyze the changes of the environmental capacity of CODMnand NH3-N before and after water diversion with different design flows.The results show that after water diversion without water diversion project from Yangtze river to Hanjiang River,the decreasing capacity of CODMnand NH3-N under different guarantee rates are 35.02%-36.69% and 34.00%-52.16%,but with the water diversion project from Yangtze River to Hanjiang River,the decreasing capacity is reduced,ranging from 12.86%to 17.49% and from 13.50% to 37.30%.This results can provide theoretical basis for the relevant environmental protection departments to control water pollution.
Middle route of South-to-North water diversion project caused a series of impacts on the ecological environment of the middle and lower Hanjiang River.In this paper,the midpoint generalization and the uniform generalization methods were used to analyze the changes of the environmental capacity of CODMnand NH3-N before and after water diversion with different design flows.The results show that after water diversion without water diversion project from Yangtze river to Hanjiang River,the decreasing capacity of CODMnand NH3-N under different guarantee rates are 35.02%-36.69% and 34.00%-52.16%,but with the water diversion project from Yangtze River to Hanjiang River,the decreasing capacity is reduced,ranging from 12.86%to 17.49% and from 13.50% to 37.30%.This results can provide theoretical basis for the relevant environmental protection departments to control water pollution.
引文
[1]邹磊,杨惠敏.丹江口水库对汉江中下游径流的影响研究[J].河南水利与南水北调,2012,11(10):4-6.
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[3]王玮,高瑞.汉江中下游生态环境脆弱性评价与生态恢复[J].甘肃农业,2007(6):54-55.
[4]李权国,张中旺.汉江中下游流域生态环境保护与可持续发展策略[J].贵州农业科学,2010,38(12):205-207,212.
[5]陈燕飞,张翔.河流水环境的可恢复性及其评价研究[J].应用基础与工程科学学报,2016,24(1):34-46.
[6]路雨,苏保林.河流纳污能力计算方法比较[J].水资源保护,2011,27(4):5-9,47.
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[8]郭凤震.邯郸市滏阳河纳污能力及模型参数影响分析[J].水资源保护,2011,27(3):20-23,68.
[9]GB/T 25173-2010,水域纳污能力计算规程[S].北京:中国标准出版社,2011.
[10]于乃利,王爱杰,单德鑫,等.小河流水环境容量测算与容量总量控制[J].东北农业大学学报,2006,37(2):219-224.
[11]张秀菊,杨凯,蔡爱芳,等.不确定性参数对水体纳污能力的影响分析[J].中国农村水利水电,2012(1):13-17.
[12]GB3838-2002,地表水环境质量标准[S].北京:中国环境科学出版社,2002.
[13]肖婵,谢平,唐涛,等.南水北调中线工程对汉江中下游的水文情势影响分析[J].水文,2009,29(1):26-29.
[2]沈大军,刘昌明.南水北调中线工程不同调水规模对汉江中下游影响分析[J].地理学报,1998,53(4):341-348.
[3]王玮,高瑞.汉江中下游生态环境脆弱性评价与生态恢复[J].甘肃农业,2007(6):54-55.
[4]李权国,张中旺.汉江中下游流域生态环境保护与可持续发展策略[J].贵州农业科学,2010,38(12):205-207,212.
[5]陈燕飞,张翔.河流水环境的可恢复性及其评价研究[J].应用基础与工程科学学报,2016,24(1):34-46.
[6]路雨,苏保林.河流纳污能力计算方法比较[J].水资源保护,2011,27(4):5-9,47.
[7]阎非,苏保林,贾海峰.基于排污口权重的一维河流水环境容量计算[J].2006.水资源保护,22(2):16-18,22.
[8]郭凤震.邯郸市滏阳河纳污能力及模型参数影响分析[J].水资源保护,2011,27(3):20-23,68.
[9]GB/T 25173-2010,水域纳污能力计算规程[S].北京:中国标准出版社,2011.
[10]于乃利,王爱杰,单德鑫,等.小河流水环境容量测算与容量总量控制[J].东北农业大学学报,2006,37(2):219-224.
[11]张秀菊,杨凯,蔡爱芳,等.不确定性参数对水体纳污能力的影响分析[J].中国农村水利水电,2012(1):13-17.
[12]GB3838-2002,地表水环境质量标准[S].北京:中国环境科学出版社,2002.
[13]肖婵,谢平,唐涛,等.南水北调中线工程对汉江中下游的水文情势影响分析[J].水文,2009,29(1):26-29.