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机构地区:[1]云南省水利水电科学研究院,云南昆明650228 [2]云南省水文水资源局昭通分局,云南昭通657000
出 处:《水电能源科学》2014年第6期45-48,共4页Water Resources and Power
基 金:水利部公益性行业科研专项经费项目(201001058)
摘 要:水库纳污能力计算是纳污总量控制和水库水环境管理的基本依据。分别运用均匀混合模型、狄龙模型动态计算了不同频率下渔洞水库中CODMn、NH3-N、TN和TP四种污染物的月纳污能力,并将月纳污能力和月污染物入库量进行逐月比较,获得了超标排放时所需削减污染物的量。结果表明,NH3-N、CODMn不是渔洞水库主要污染因子,暂不需要对污染物排放量进行削减;TP在个别月份需要对排放量进行削减;TN的污染形势异常严峻,是渔洞水库最重要的污染因子,几乎全年需要对排放量进行削减。针对水体污染情况,提出了控制渔洞水库面源污染的措施建议。Permissible pollution bearing capacity of water body is the basic foundation of total pollutant amount control and water environment management. Under different supposed frequency, the permissible pollution bearing capacity of CODMn,NH3-N, TN and TP for Yudong reservoir were calculated by using uniform mixture model and Dillon model. And then the monthly permissible pollution bearing capacity were compared with the amount of monthly reservoir pollution. The results show that the monthly permissible pollution bearing capacity of TN,NH3-N,CODMn are not the main pollution factors, it is not necessary to reduce emission; TP need to be reduced emission in individual month; while the problem of TN pollution is especially severe, and TN is the main pollution factor that almost need to be reduced emission in the whole year. According to the pollution situation of Yudong reservoir, some protection measures are proposed.
关 键 词:渔洞水库 纳污能力 均匀混合模型 狄龙模型 削减量
分 类 号:TV211.1[水利工程—水文学及水资源]
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