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拟通过使用HSPF模型过对岩溶区流域的气象水文数据与其它各类,进行水文参数的校准和验证,在此基础上模拟NO3-、PO43-,以此探究青木关流域的非点源污染发生、发展的时空分布规律,实现对研究区域的非点源污染负荷的定量评价和预测。为寻求有效控制非点源污染物产生和传输途径的措施以及制定该流域非点源污染控制实施方案提供科学指导,为减少污染物的汇,恢复流域的自然生态环境提供借鉴。
It is proposed to simulate NO3- and PO43- by simulating NO3- and PO43- in the karst area by using HSPF model to calibrate and verify the meteorological and hydrological data of the karst area and other hydrological parameters. , The spatial and temporal distribution of development, to achieve quantitative assessment and prediction of non-point source pollution load in the study area. Provide scientific guidance for seeking effective measures to control the generation and transmission of non-point source pollutants and formulate a plan for the implementation of non-point source pollution control in the river basin, so as to provide reference for reducing the sinks of pollutants and restoring the natural ecological environment of the watershed.