负荷历时曲线法在梁子湖流域污染容量总量控制中的应用

doi:10.11870/cjlyzyyhj201605019

长江流域资源与环境 >> 2016, Vol. 25 >> Issue (05): 845-850.doi: 10.11870/cjlyzyyhj201605019

负荷历时曲线法在梁子湖流域污染容量总量控制中的应用

王生愿^1,2, 桂发二², 方纬²

1. 武汉大学资源与环境科学学院, 湖北武汉 430079;
2. 浙江贵仁信息科技股份有限公司浙江杭州 310051

收稿日期:2015-09-06 修回日期:2016-01-21 出版日期:2016-05-20
作者简介:王生愿(1987~),男,硕士研究生,主要研究方向为湖泊与湿地生态环境.E-mail:153749527@qq.com
基金资助:
"十二五"水专项:三峡库区及上游流域水环境风险评估与预警技术研究与示范课题(2013ZX07503-001-01)

LOAD DURATION CURVE METHOD IN LIANGZI LAKE BASIN POLLUTION CAPACITY TATAL AMOUNT CONTROL

WANG Sheng-yuan^1,2, Gui Fa-er², Fang Wei²

1. School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China;
2. Zhejiang Keepsoft Information & Technology Corp., Ltd, Hangzhou 310051, China

Received:2015-09-06 Revised:2016-01-21 Online:2016-05-20
Supported by:
"The Twelfth Five-Year Plan" Water Project:Technology research and demonstration topics of risk assessment and early warning of water environment in the ThreeGorges reservoir area and upstream (2013ZX07503-001-01)

摘要/Abstract

摘要： 采用负荷历时曲线法(LDC),基于水质保护目标,研究水体纳污能力,确定最大日负荷总量(TMDL)是当前流域污染总量控制的主要方法之一。根据梁子湖高桥河流域控制断面2008~2011年的水文、水质数据,以主要污染物COD为指标,将负荷历史曲线法运用到梁子湖高桥河等子流域污染容量总量控制中,对该流域的最大日负荷(TMDL)变化规律进行分析,提出流域不同水文条件下的污染负荷消减量。研究结果表明:梁子湖水环境受面源污染影响较大。高桥河、徐家港、张家桥港、山坡港、宁港流域,在高流量期实际负荷值均已超出了允许负荷,其削减量分别为61.36、4.33、12.98、3.84、7.13 t/d;徐家港和宁港流域在丰水期实际负荷值也超出了允许负荷,削减量分别为0.16、0.17 t/d。该研究为流域相关管理部门对湖泊水环境的污染控制提供可靠的决策依据。

关键词: 总量控制, 负荷历时曲线法, TMDL, 梁子湖

Abstract: By using the load duration curve (LDC), we studied the water environmental carrying capacity to determine the total maximum daily load (TMDL) based on the target of water quality protection. Using the hydrological and water quality data of 2008-2011 in Liangzi Lake watershed, we employed the main pollutant COD as an indicator to apply the LDC to Liangzi Lake, and analyzed the variation characteristics of the TMDL, and put forward the amount of pollution load reduction under different hydrological conditions. Results show:Liangzi Lake was greatly influenced by non-point source pollution. For Gaoqiao River, Xujia River, Zhangqiao River, Shanpo River, Ning River in the Liangzi Lake Basin, the actual COD load was beyond the permission in high flow period, the reduction amounts are 61.36t/d, 4.33t/d, 12.98t/d, 3.84t/d, 7.13t/d, respectively; For Xujia River and Ning River, the actual COD load was beyond the permitted load in the wet season, the reduction amounts are 0.16t/d and 0.17t/d, respectively. This study would be valuable for the management and pollution control.

Key words: total amount control, the load duration curve, TMDL, Liangzi lake

王生愿, 桂发二, 方纬. 负荷历时曲线法在梁子湖流域污染容量总量控制中的应用[J]. 长江流域资源与环境, 2016, 25(05): 845-850.

WANG Sheng-yuan, Gui Fa-er, Fang Wei. LOAD DURATION CURVE METHOD IN LIANGZI LAKE BASIN POLLUTION CAPACITY TATAL AMOUNT CONTROL[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(05): 845-850.

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