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| 洞庭湖湖区水质时空演化(1983-2004年) | |
| 引用本文： | 申锐莉,鲍征宇,周旻,乔胜英,谢淑云.洞庭湖湖区水质时空演化(1983-2004年)[J].湖泊科学,2007,19(6):677-682. |
| 作者姓名： | 申锐莉 鲍征宇 周旻 乔胜英 谢淑云 |
| 作者单位： | 1. 中国地质大学(武汉)地球科学学院地球化学研究所,武汉,430074;湖北省地质调查院,武汉,430030 2. 中国地质大学(武汉)地球科学学院地球化学研究所,武汉,430074 3. 湖北省地质调查院,武汉,430030 |
| 基金项目： | 湖南省洞庭湖区生态地球化学调查项目 |
| 摘 要： | 根据洞庭湖湖区的1983-2004年的水质监测数据,参照GB3838-2002中Ⅲ类水质标准,运用内梅罗水污染指数法进行水质评价,分析了洞庭湖湖区22年来的水质时空变化.结果表明:洞庭湖湖区水质污染在时间上呈有升有降的波动变化.洞庭湖湖区丰水期和洪水期的水质较差,但是从2002年以后,丰水期的水质逐渐好于平水期.污染空间变化表现为入湖河道的污染程度高于湖体,湖体污染呈西洞庭湖的污染较为严重,南洞庭湖其次,东洞庭湖的水质仍较好的格局. |
| 关 键 词： | 洞庭湖 水质 内梅罗指数 演化 东洞庭湖 湖区 水质污染 时空演化 Lake water quality 格局 南洞庭湖 严重 西洞庭湖 湖体 污染程度 入湖河道 变化表现 空间 平水期 洪水期 丰水期 波动 时间 |
| 收稿时间： | 2006-11-28 |
| 修稿时间： | 2007-03-04 |
Temporal-spatial evolution of water quality in Lake Dongting,China |
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| SHEN Ruili,BAO Zhengyu,ZHOU Min,QIAO Shengying and XIE Shuxun.Temporal-spatial evolution of water quality in Lake Dongting,China[J].Journal of Lake Science,2007,19(6):677-682. | |
| Authors: | SHEN Ruili BAO Zhengyu ZHOU Min QIAO Shengying and XIE Shuxun |
| Institution: | Department of Geochemistry, Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, P. K China;Hubei Institute of Geological Survey, Wuhan 430030, P. R. China,Department of Geochemistry, Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, P. K China,Hubei Institute of Geological Survey, Wuhan 430030, P. R. China,Department of Geochemistry, Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, P. K China and Department of Geochemistry, Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, P. K China |
| Abstract: | According to Basic Analytical Methods of Environmental Quality Standards for surface water,GB3838- 2002,we used the 1983-2004 monitoring data to evaluate and characterize water quality condition and to analyze water quality temporal-spatial evolution trend of Lake Dongting,based on the application of comprehensive index methods such as Nemerow Index.The results showed that Water quality changed in Lake Dongting which fluctuated between up and down temporally.In 1983-1985,water quality was clean in Lake Dongting.From then on,water quality had been polluted seriously in 1988 and graduated in light pollution after 1991,and then ran down in 1999 and dropped to light pollution in 2001 again,as well as had begun to aggravate in 2004.The main pollutant was to- tal phosphorus(TP)in Lake Dongting.Water quality was worse in the flood water season than in the other water seasons,but after 2002,water quality in the flood water season had been better than in the normal water season. The water pollution could be more serious in the entering riverways than in the lake bodies of Lake Dongting spatial- ly.Water quality in lake West Dongting was worst,in Lake South Dongting was worse,and in Lake East Dongting was not polluted badly. |
| Keywords: | Lake Dongting water quality Nemerow index evolution |
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