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1概述浉河是淮河较大的一级支流,流域处亚热带向暖温带过渡区,四季分明,年均气温15．1℃,年均降水量1261mm,最大24h降水量为188．8mm,为河南省雨量最多的地区,年均蒸发量1500mm,年均日照时数2154．8h。浉河发源于信阳西南韭菜坡,流经信阳市两区并于罗山顾寨入淮,全长141．5km,流域面积2070km~2,为山区型河道,沙质河床,中上游山高坡陡,森林茂密,下游川岗相间。城区段南湾
1 Overview Huaihe River is a larger tributary of the Huaihe River basin subtropical transitional zone to warm temperate, four seasons, with an average annual temperature of 15.1 ℃, the average annual rainfall of 1261mm, the maximum 24h of precipitation 188.8mm, Henan The province has the most rainfall areas, with an average annual evaporation of 1500mm, with an average annual sunshine duration of 2154.8h. The river originates from the leek slope in the southwest of Xinyang and flows through two districts of Xinyang City and into Huaihe Town of Guzhai in Luoshan with a total length of 141.5km and a drainage area of 2070km ~ 2. It is a mountainous riverbed, a sandy riverbed, , Dense forests, the downstream Chuan Kong phase. City section South Bay