1. 贵州大学 农学院,贵州,贵阳,550025
2. 贵州大学 资源与环境工程学院,贵州,贵阳,550025
纸质出版:2020
移动端阅览
李政道, 刘鸿雁, 姜畅, 等. 基于输出系数模型的红枫湖保护区非点源污染负荷研究[J]. 水土保持通报, 2020,40(2):193-198.
Li Zhengdao, Liu Hongyan, Jiang Chang, et al. Non-point Source Pollution Load of Hongfeng Lake Reserve Based on Export Coefficient Model[J]. Bulletin of Soiland Water Conservation, 2020, 40(2): 193-198.
李政道, 刘鸿雁, 姜畅, 等. 基于输出系数模型的红枫湖保护区非点源污染负荷研究[J]. 水土保持通报, 2020,40(2):193-198. DOI: 10.13961/j.cnki.stbctb.2020.02.028.
Li Zhengdao, Liu Hongyan, Jiang Chang, et al. Non-point Source Pollution Load of Hongfeng Lake Reserve Based on Export Coefficient Model[J]. Bulletin of Soiland Water Conservation, 2020, 40(2): 193-198. DOI: 10.13961/j.cnki.stbctb.2020.02.028.
[目的] 探究红枫湖保护区非点源污染及其与水质的关系,了解红枫湖非点源污染负荷现状,为红枫湖保护区非点源污染的防控提供科学依据。[方法] 通过改进的输出系数模型(IECM)研究红枫湖总氮(TN)和总磷(TP)污染负荷。[结果] 2016年TN,TP的非点源污染排放量为863.78和77.14 t,用经验系数计算的非点源污染排放量TN为701.19 t,TP为232.99 t,改进的输出系数模型加入了地形影响因子,具有更高的准确性。2016年非点源排放的TN,TP占总污染负荷的73.54%和82.54%,相较于2008年非点源污染负荷TN,TP占比分别增加了27.03%和19.69%,但水质总体为Ⅱ类。[结论] 目前非点源污染是红枫湖的主要污染源,但对水质的影响较小。
[Objective] This paper aims to explore the non-point source pollution in Hongfeng Lake reserve and the relationship with it water quality
and understand the current status of non-point source pollution land
in order to provide the scientific evidence to prevent the non-point source pollution.[Methods] The total nitrogen (TN) and total phosphorus (TP) pollution load of Hongfeng Lake was studied by improved export coefficient model (IECM).[Results] The non-point source pollution emissions of TN and TP in 2016 were 863.78 t and 77.14 t respectively
and the non-point source pollution emissions of TN calculated by the empirical coefficient was 701.19 t
TP was 232.99 t
and the improved output coefficient model incorporated terrain factors increased accuracy greatly. In 2016
TN and TP of non-point source emissions accounted for 73.54% and 82.54% of the total pollution load. Compared with the non-point source pollution load in 2008
TN and TP accounted for 27.03% and 19.69%
respectively
but the water quality was generally Class Ⅱ.[Conclusion] At present
non-point source pollution is the main source of pollution of Hongfeng Lake
but it has little impact on water quality.
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