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引用本文:闻余华,秦伯强.9711号台风对太湖水位影响分析.湖泊科学,1998,10(4):91-94. DOI:10.18307/1998.0415
Wen Yu-hua,Qin Bo-qing.Evaluation of Typhoon (No. 9711) Effect on the Water Level Changes of Taihu Lake. J. Lake Sci.1998,10(4):91-94. DOI:10.18307/1998.0415
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9711号台风对太湖水位影响分析
闻余华1, 秦伯强2
1.江苏省水文水资源勘测局, 南京 210029;2.中国科学院南京地理与湖泊研究所, 南京 210008
摘要:
针对1997年8月出现的9711号台风,就其对太湖水位的影响作了分析.分析表明,这次台风对太湖东西两岸水位影响显著,东岸以减水为主,水位降幅达0.66-0.93m;西岸以增水为主,增幅达0.67-0.77m,水位振幅达0.67-1.22m.同-时间内,东西两岸水位差达1.17-1.42m.分析还表明,太湖风场变化与水位变化关系较为紧密,表现为:当风向相对-致时,背风岸望亭、胥口的水位随风速的增加而下降,迎风岸大浦口、夹浦和小梅口的水位随风速的增加而上升;当风向改变时,其水位也随之发生相应的变化.
关键词:  太湖  台风  增减水  水位差
DOI:10.18307/1998.0415
分类号:
基金项目:中国科学院“九五”重点项目,KZ952-S1-220
Evaluation of Typhoon (No. 9711) Effect on the Water Level Changes of Taihu Lake
Wen Yu-hua1, Qin Bo-qing2
1.Hydrological Survey of Jiangsu Province, Nanjing 210029;2.Nanjing Institute of Geography Limnology, CAS, Nanjing 210008
Abstract:
According to the occurrcnce of the typhoon (No. 9711), the effects on the water level of Taihu Lake has been evaluated. The results show that this strong windy process had exerted a remarkable effect on the lake level in the east and the west of lake. In eastern lake,the water level decreased dramatically, i. e. the drop of water stand ca. 0. 66-0. 93m. However? the water level increased in western lake ca. 0.67-1-22 m. Moreover, the difference of lake level between the east and west is about 1. 03-1. 42 m,and the amplitude of changes is about 1.29-1. 62.
Key words:  Taihu Lake  typhoon  increase and decrease in water level  lake stage
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