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铁岭市农田种植污染负荷研究

作  者:
白伟锋
单  位:
关键词:
农田种植;污染负荷;铁岭市
摘  要:
铁岭市在近两年生态环境部公布的国家地表水考核断面水环境质量倒数排名中多次上榜,而铁岭市作为辽宁省的农业大市,工业对河流的污染较小,因此对农田等生产生活面源污染的研究就极为重要.本文根据铁岭产粮区降雨径流实测数据,结合SWTA模型用水文过程模拟法、泥沙模拟法和水质模拟法,计算了铁岭市农田种植污染负荷,并模拟得出了铁岭市农业面源污染流失时空分布情况,其研究结果可为铁岭市面源污染负荷核算提供技术支撑.
作  者:
BAI Weifeng;Tieling Hydrology Bureau of Liaoning Province;
关键词:
farming;;pollution load;;Tieling
摘  要:
Tieling has been listed many times in the reciprocal ranking of water environment quality in the national surface water examination section published by the Ministry of Ecological Environment in the past two years. As a major agricultural city in Liaoning Province, Tieling has less pollution to rivers by industry, so the research on non-point source pollution of production and living such as farmland is extremely important. According to the measured data of rainfall runoff in Tieling grain-producing area, combined with hydrological process simulation method, sediment simulation method and water quality simulation method in SWTA model, the pollution load of farmland cultivation in Tieling was calculated, and the spatial and temporal distribution of agricultural non-point source pollution loss in Tieling was simulated. The research results can provide technical support for non-point source pollution load accounting in Tieling.

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