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一、海河流域地形及多年降雨情况梅河流域位于东径112°～119°、北纬35°～42°之间。西起管岭、太岳两山,北倚蒙古高原,东临渤海,南界黄河,包括北京天津两市、河北省的大部分,山西省的北部、东部,山东、河南两省的北部地区,面积26.46万平方公里。流域内有燕山和太行山两大山脉,拔海高程多在500米至2000米之间,最高的五台山高达3050米。山脉沿承德、南口、五台、井陉、涉县、焦作一线,由东
First, the Haihe Basin topography and years of rainfall Meihe River Basin is located in the east 112 ° ~ 119 °, latitude 35 ° ~ 42 ° between. From west to tube ridge, Taiyue two mountains, the northern reliance on the Mongolian Plateau, east of the Bohai Sea, the southern boundary of the Yellow River, including Beijing and Tianjin, two cities, most of Hebei Province, Shanxi Province, northern, eastern, Shandong and Henan provinces in the northern region , An area of 264,600 square kilometers. Yanshan and Taihang Mountain within the valley there are two major mountains, pulling altitude more than 500 meters to 2000 meters, the highest Mount Wutai up to 3050 meters. Mountains along the Chengde, South, Wutai, Jingxing, Shexian, Jiaozuo line, from the east