台风“海鸥”对牛栏江红石岩堰塞湖的影响分析

Analysis of the Influence of Typhoon “Seagull” in Niulanjiang Hongshiyan Lake

2014年9月16日第1S号台风“海鸥”在海南和广东登陆，受台风影响牛栏江中、上游降雨量达50．0—100．0mm，加之上游德泽水库泄洪，导致红石岩堰塞湖出现最高水位1182．58m，水位变幅达8．22m。本次重点选择了台风“海鸥”期间堰塞湖上、下游实测站点资料进行认真分析，通过分析找出影响因素及其变化规律，为堰塞湖后期处置和施工建设提供技术依据。

In September 16, 2014, fifteenth typhoon ＂Seagull＂ landed in Hainan and Guangdong province. The up- stream typhoon rainfall was 50 - 100.0 mm and the Deese reservoir released flood discharge at the same time, the highest water level reached 1182.58 m in the Hongshiyan Lake, in which the water level variation was 8.22 m. During the typhoon ＂Seagull＂ period, hydrological information at upper and downstream stations were carefully measured and analyzed to find out the influence factors and change law, which would provide the technical basis for the lake disposal and construction.