| 太湖宜兴近岸水域“湖泛”现象初析 |
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| 引用本文： | 陈荷生.太湖宜兴近岸水域“湖泛”现象初析[J].水利水电科技进展,2011,31(4):33-37. |
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| 作者姓名： | 陈荷生 |
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| 作者单位： | 水利部太湖流域水资源保护局; |
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| 摘 要： | 针对太湖西北部宜兴近岸带2008年5月26日至6月9日出现"黑水团"、水体浑浊黑臭的问题,分析其产生的原因,采用实时调查监测等手段,获取水文气象与水动力和湖体水生态环境等资料信息。分析结果表明,"黑水团"是水体中水-土界面耗氧性有机物在厌氧环境背景、微生物及细菌作用下发生强烈生化反应后呈现的生态灾变现象,称为"湖泛"。其物质源以重污染底泥、沉积于水—土界面的藻类等生物质、高浓度富含营养盐的悬浮物为主。最后提出控源减污、生态清淤、加快新孟河调水工程建设以及加强动态监测和"湖泛"发生机理研究等建议。
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| 关 键 词： | 太湖水域 黑水团 重污染沉积物 湖泛 |
| 修稿时间： | 2011/9/6 0:00:00 |
Black water aggregation in Yixing inshore water area of Taihu Lake |
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| CHEN He-sheng.Black water aggregation in Yixing inshore water area of Taihu Lake[J].Advances in Science and Technology of Water Resources,2011,31(4):33-37. |
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| Authors: | CHEN He-sheng |
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| Affiliation: | CHEN He-sheng(Taihu Lake Basin Water Resources Protection Bureau of MWR and NEPA,Shanghai 200434,China) |
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| Abstract: | From May 26 to June 9,2008,black spots and muddy and black-odor water occurred in Yixing inshore water area of northwestern Taihu Lake.The relevant causes were analyzed.The hydrometeorological,hydrodynamic and water ecological environment data were obtained by means of the real-time monitoring.The analytic results indicate that the black spots are considered as the eco-cataclysm caused by strong biochemical reaction of aerobic organic matters of water and water-sediment interface with microbe under anaerobi... |
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| Keywords: | Taihu Lake water area black spot heavily polluted sediment black water aggregation |
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