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来自维基百科,自由的百科全书
明河,又称明港河、毛集河,古称大木水,是中國淮河上游左岸一条支流,位于河南省信阳市平桥区北部,发源于天目山主石顶(海拔812.5米)北坡,东南流入红石嘴水库,出库向东南曲折流,至河套转东北流,至夏湾西接确山县界,东流至小李庄过京广铁路后转向南流,过明港镇后再东南流至淮河村汇入淮河。全长55公里,流域面积360平方公里。流域内多年平均降水量1020毫米。[1]
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