SHI Xiaochun,AO Tianqi,LI Xiaodong,et al.Comprehensive Evalution on the Non-Point Source Pollution of Fujiang Basin(Shehong Territory)[J].Research of Soil and Water Conservation,2018,25(04):375-379,385.
涪江流域(射洪境内)面源污染综合评价
- Title:
- Comprehensive Evalution on the Non-Point Source Pollution of Fujiang Basin(Shehong Territory)
- Keywords:
- Fujiang Basin; non-point source pollution; equivalent pollution load method; total nitrogen
- 分类号:
- X52
- 摘要:
- 为准确评估射洪县水体环境主要污染源和主要污染物，以期为当地水环境污染控制提供理论依据。利用源强系数法和输出系数法，从涪江流域射洪县30个乡镇、6种污染源角度分析了农村面源污染物的入河量，并通过等标污染负荷法计算了各乡镇的负荷比。结果表明：整个研究区的主要污染物为总氮，其入河量为1 443.9 t；太和镇的主要污染源为工业污染，所占污染比例为63.3%，其他乡镇的主要污染源均为农村居民生活污染，所占比例均高于50%；30个乡镇中有8个乡镇的总等标污染负荷量超过100 t，可见研究区内面源污染严重，主要为农村居民生活污染源，污染物入河量在空间分布上差异较大，需根据不同污染物的贡献程度有针对性地采取防治措施。
- Abstract:
- In order to accurately assess the main sources of pollution and major pollutants of water environment in Shehong County, and provide a theoretical basis for the local water environment pollution control. We used the source strength coefficient method and the output coefficient method to analyze the river pollution load of pollutants of the rural non-point source pollution from the 6 kinds pollution sources and the 30 towns, which in Fujiang Basin (shehong territory). The equivalent pollution load method was adopted to account the load ratio of every town. The results show that the main pollutant in the study area is total nitrogen which is 1 443.9 tons; the main pollution source of Taihe Town is the industrial pollution, and the proportion of pollution accounted for 63.3%, the main pollution sources in other towns are rural residents living pollution, and the proportion is more than 50%; among the 30 towns, the total standard pollution load of 8 towns is greater than 100 tons. It can be seen that the non-point source pollution in the study area is serious; the main source of pollution is the pollution of rural residents. Appropriate control measures should be taken according to the distribution of non-point source pollution due to their significant different spatial distribution and the contributions of different pollutants.
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备注/Memo
收稿日期:2017-06-30;改回日期:2017-09-11。
基金项目:四川省科技厅科技计划项目（2015SZ0212；LPM2014003）
作者简介:史小春(1994-),女,四川青川人,硕士研究生,研究方向为农村非点源污染与分布式水文模型。E-mail:shixiaochun0321@126.com
通讯作者:敖天其(1964-),男,重庆铜梁人,教授,博士生导师,主要从事农村非点源污染与分布式水文模型研究。E-mail:ao123Scu@163.com