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1984年6月13日,西湖流域内下了一场暴雨,总雨量196.6毫米,其中最大24小时暴雨量168.5毫米,其总量和强度均不算大,但西湖水位却高达7.70米(黄海基面,下同)。湖水外溢,三潭印月、湖心亭、苏堤、白堤、环湖道路及沿湖风景点遭到水淹,大批花木受损,花港红鱼外逃,圣塘闸下游少年宫一带洪水成灾,不但造成了很大的经济损失,而且给闻名中外的风景旅游城市带来不良的影响。西湖作为我国的一颗明珠,应当尽快采取相应的防范措施,使其永远光彩夺目。本文根据有关资料对西湖的防洪问题进行初步分析和探讨。
June 13, 1984, the West Lake basin under a heavy rain, the total rainfall of 196.6 mm, of which the largest 24-hour rainfall of 168.5 mm, the total amount and intensity are not large, but the West Lake water level is as high as 7.70 meters (Huang Haiji Surface, the same below). Lake overflowing, Lake Pavilion, Su Causeway, White Beach, Lake Road and along the lake scenic spots have been flooded, a large number of flowers and trees damaged, Hu Hong Gang flight, Shengtangzha downstream Palace Children flood disaster, not only Causing great economic losses, but also to the famous scenic tourist cities in China have a negative impact. As a pearl of our country, West Lake should take corresponding precautionary measures as soon as possible to make it dazzling forever. Based on the relevant information, this paper carries out a preliminary analysis and discussion of flood control in West Lake.