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1 概况驻马店地区地处北亚热带向暖温带的过渡带,影响气候的因素复杂多变,特别是洪汝河水系更是洪涝灾害的多发区。“75.8”暴雨洪水,最大3日降雨1605mm,历史罕见的洪水使板桥、竹沟等一批大中小型水库垮坝失事,数万人丧生,100多万公顷农田被淹没冲毁,占耕地面积的90%。直接间接经济损失达数10亿元,相当于建国40多年来水利基本建设投资总和的2倍。“82.7”、“82.8”两月,全区平均降雨860mm,占多年平均降雨的91%,3日最大降雨555.9m,造成63.68万 hm~3农田被淹,几千个村庄、500多万人民遭到洪水的严重袭击。
1 Overview Zhumadian area is located in the transitional zone of the north subtropical zone to the warm temperate zone, and the factors affecting the climate are complex and changeable. In particular, the flood system of the Hongruhe River is a flood prone area. “75.8 ” storm floods, the largest rainfall of 1605mm on the 3rd, a rare flood in history to Banqiao, bamboo ditch and a number of large, medium and small reservoirs collapsed, tens of thousands of people were killed, more than 100 million hectares of farmland was flooded destroyed, 90% of arable land. Direct indirect economic losses amounted to several billion yuan, equivalent to twice the total investment in water conservancy construction over the past 40 years since the founding of the People’s Republic. In February, the average rainfall in the region was 860 mm, accounting for 91% of the average annual rainfall. The maximum rainfall on the 3rd was 555.9 m, causing 636,800 hm 3 of farmland to be submerged. Thousands of villages, More than 5 million people were hit hard by the floods.