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引用本文:吴攀,秦伯强,于革,周健,周莉.太湖上游流域经济发展对废水排放及入湖总磷的影响.湖泊科学,2015,27(6):1107-1114. DOI:10.18307/2015.0616
WU Pan,QIN Boqiang,YU Ge,ZHOU Jian,ZHOU Li.Effects of economic development on wastewater discharge and influent total phosphorus load in the upstream of Lake Taihu Basin. J. Lake Sci.2015,27(6):1107-1114. DOI:10.18307/2015.0616
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太湖上游流域经济发展对废水排放及入湖总磷的影响
吴攀1, 秦伯强1, 于革1, 周健1, 周莉2
1.中国科学院南京地理与湖泊研究所, 南京 210008;2.常州大学石油化工学院, 常州 213164
摘要:
为探索太湖流域水环境质量随经济发展的变化趋势,利用环境库兹涅茨曲线模型模拟19782012年太湖上游流域人均GDP与废水排放量、入湖总磷负荷的关系. 结果表明:以1978年为计算基期,太湖上游流域人均GDP年均增速为10.3%~11.8%;19902012年,太湖上游流域年均工业废水排放量和废水排放总量分别为64799×104、93707×104 t,与人均GDP均呈倒U型关系,从20062007年、20082009年呈下降趋势;入湖总磷负荷与太湖上游流域废水排放总量呈显著正相关,且与人均GDP呈倒U型关系,从20072008年呈下降趋势,在1990s以前为850~1200 t/a,1990s以后为1300~2000 t/a. 该研究为从经济学角度评估太湖上游流域废水排放、入湖总磷负荷及其变化趋势提供科学依据.
关键词:  磷污染物  人均GDP  环境库兹涅茨曲线  废水排放量  太湖上游流域
DOI:10.18307/2015.0616
分类号:
基金项目:国家自然科学基金重点项目(41230744)和国家水体污染控制与治理科技重大专项(2012ZX07101-010)联合资助.
Effects of economic development on wastewater discharge and influent total phosphorus load in the upstream of Lake Taihu Basin
WU Pan1, QIN Boqiang1, YU Ge1, ZHOU Jian1, ZHOU Li2
1.Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, P.R.China;2.School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P.R.China
Abstract:
In the upstream Lake Taihu Basin, economic development affects the discharge amount of wastewater and influent total phosphorus (TP) load. In order to reveal the trend of water environment quality with economy in the Lake Taihu Basin, we simulated the relationships between wastewater discharge, influent TP load and Gross Domestic Product (GDP) per capita for the upstream Lake Taihu Basin (1978-2012) using Environmental Kuznets Curve (EKC) models. The results showed that the average annual growth rate of GDP per capita was 10.3%-11.8% based on 1978 prices in the upstream Lake Taihu Basin. Meanwhile, during 1990-2012, the annual mean discharge amount of industrial wastewater and the annual mean total discharge amount of wastewater were 647.99 million tons and 937.07 million tons, respectively. The export of EKC models revealed that both of industrial wastewater and total wastewater discharge had inverted-U-shaped relationships with GDP per capita, and decreased during 2006- 2007 and 2008-2009, respectively. Moreover, influent TP load was positively related with the total wastewater discharge in the upstream of Lake Taihu Basin, presenting an inverted-U-shaped relationship with GDP per capita and declining during 2007-2008. During 1978-2012, the influent TP load ranged from 850 t/a to 1200 t/a before 1990s; increased to 1300-2000 t/a after 1990s. The EKC models provided scientific evidence for estimating wastewater discharge and the influent TP load as well as their changeable trends for the upstream Lake Taihu Basin from an economic perspective.
Key words:  Phosphorus pollutant  GDP per capita  Environmental Kuznets Curve  discharge amount of wastewater  the upstream of Lake Taihu Basin
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