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1999年上海地区梅雨期长达43天,总梅雨量达815.4mm,梅雨期间有9次暴雨,梅雨量和暴雨次数均创上海市有气象记录126年以来的历史新纪录。超标准的雨情和水情,使上海地区特别是松江、金山、青浦等低洼地区遭受了较为严重的洪涝灾害。据统计,全市累计受淹农田126万亩,成灾51万亩,受灾人口16.17万人,市区居民住宅进水4.7万户,马路积水220条段,郊区倒房690间,全市累计经济损失达8.7亿元。梅雨期间,建国以来已建水利工程体系发挥了重要作用。全市2080座中小水闸投入运行,沿江、沿海水闸日夜乘潮排水,梅雨期间抢排洪水、涝水36亿m~3,全市投入排涝泵
In 1999, the plum rains in Shanghai took as long as 43 days, the total plum mass reached 815.4 mm, and nine rains during the plum rains. Both the amount of rainy days and the number of torrential rains hit a new historical record in 126 meteorological records in Shanghai. Ultra-standard rain conditions and water regimes have caused more serious floods in low-lying areas such as Songjiang, Jinshan and Qingpu in Shanghai. According to statistics, the city’s total flooded farmland 126 mu, disaster 510000 mus, the affected population of 161700 people, urban residential water intake of 47000, water 220 sections of the road, the suburbs 690 rooms, the city’s total economy The loss of 870 million yuan. During the rainy season, the water conservancy project system has been built and has played an important role. The city’s 2080 small sluice into operation, coastal and coastal sluices day and night by the tide drainage, razing during the rains, flood water 3.6 billion m ~ 3, the city into the drainage pump