Pollution Load and Contribution of Rainfall Runoff from a Typical Suburb Region in Dianchi Lake Catchment

ZHANG Degang; CHEN Yongchuan; TANG Li

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Pollution Load and Contribution of Rainfall Runoff from a Typical Suburb Region in Dianchi Lake Catchment

- Pollution Load and Contribution of Rainfall Runoff from a Typical Suburb Region in Dianchi Lake Catchment
- Bulletin of Soiland Water Conservation Vol. 29, Issue 3, Pages: 172-175(2010)
- 作者机构：
  
  1. 云南农业大学资源与环境学院,云南,昆明,650201
  2. 红河学院生命科学与技术学院, 云南蒙自,661100
  3. 云南省热带作物科学研究所, 云南景洪,666100
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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ZHANG Degang, CHEN Yongchuan, TANG Li. Pollution Load and Contribution of Rainfall Runoff from a Typical Suburb Region in Dianchi Lake Catchment[J]. Bulletin of Soiland Water Conservation, 2010, 29(3): 172-175.
DOI：

ZHANG Degang, CHEN Yongchuan, TANG Li. Pollution Load and Contribution of Rainfall Runoff from a Typical Suburb Region in Dianchi Lake Catchment[J]. Bulletin of Soiland Water Conservation, 2010, 29(3): 172-175. DOI：

摘要

通过野外实地监测和室内分析

系统监测了滇池流域典型城郊排放污水COD

和TSS通量

采用城市降雨径流污染负荷的计算方法估算了城郊降雨径流COD

和TSS污染负荷

并分析了由降雨径流引起的COD

和TSS污染负荷占总负荷中的比例。结果表明

滇池流域城郊人均排放COD

和TSS污染负荷分别为9.58～10.57kg/a和2.88～3.14kg/a;滇池流域城郊由降雨径流引起的COD

和TSS污染负荷分别为1.166～1.458t/(hm

.a)和0.729～1.808t/(hm

.a)。全年由降雨径流引起的COD

和TSS污染负荷分别占总污染负荷的10.96%～15.35%和25.73%～35.89%。控制降雨径流污染是缓解滇池流域城郊面源污染的途径之一。

Abstract

Combining field monitoring and laboratory analysis

this paper analyzes CODcr and TSS fluxes of a typical suburb discharge sewage in Dianchi Lake catchments. We use the pollution load of urban rainfall runoff to estimate the pollution load of suburb rainfall runoff and analyze the ratios of CODcr and TSS caused by rainfall runoff to the total load. Results show that by suburb discharge sewage per capita load

CODcr is 9. 58～10. 57 kg/ a and TSS is 2. 88～3. 14 kg/ a and by the suburb pollution load of rainfall runoff

CODcr is 1. 166～1. 458 t/ (hm2 ·a) and TSS is 0. 729～1. 808 t/ (hm2 ·a) in the Dianchi Lake catchments. Throughout the year

CODcr and TSS caused by rainfall runoff account for 10. 96 %～15. 35 % and 25. 73 %～35. 89 % of the total catchment area of emission pollution load

respectively. Control of rainfall runoff pollution is one of the ways to mitigate non-point source pollution of suburb in the Dianchi Lake catchments.

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