一、流域概况田纳西河位于美国东南部,河流全长1050公里,流域面积10.5万平方公里,地跨弗吉尼亚、北卡罗来纳、佐治亚、亚拉巴马、密西西比、田纳西和肯塔基7个州。该河发源于弗吉尼亚州,向西汇入密西西比河的支流俄亥俄河。流域内雨量充沛,气候温和,年降水量在1100～1800毫米之间, First, the basin profile The Tennessee River is located in the southeastern United States, the river 1050 kilometers in length, the basin area of ​​105,000 square kilometers, across Virginia, North Carolina, Georgia, Alabama, Mississippi, Tennessee and Kentucky seven states. The river originated in Virginia, westward into the tributary of the Mississippi River Ohio River. The rainfall in the basin is plentiful, the climate is mild, the annual precipitation is between 1100 and 1800 mm,