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(一)流域概况新安江为钱塘江一个支流,发源于皖南的黄山一带,流经浙江的淳安遂安两县,于建德城鴈入钱塘江。干流全长260公里,流域面积11850平方公里。全流域地形可大致区分为二大盆地,三段峡谷,上游电溪歙县盆地长约40公里,平均宽7—8公里。自朱家村的下游新安江折入峡谷,经60公里到浙江境内
(I) Basin Profile Xin’anjiang River is a tributary of the Qiantang River. It originated in the Huangshan area of southern Anhui. It flows through Chun’an and Su’an counties in Zhejiang Province and goes into Qiantang River in Jiande City. The total length of 260 kilometers of the mainstream, the basin area of 11,850 square kilometers. The whole basin topography can be broadly divided into two major basins, three sections of the gorge, the upper reaches of Xiqiao County basin about 40 km, an average of 7-8 km wide. Xinhua River, which is downstream from Zhujia Village, is folded into the gorge and passes through 60 kilometers to the territory of Zhejiang