Summary of basin characteristics for National Hydrography Dataset, version 2 catchments in the southeastern United States, 1950 - 2010 at 12-digit hydrologic unit code (HUC12) pour points

This dataset provides numerical and categorical descriptions of 48 basin characteristics for 9,314 ungaged basins coinciding with 12-digit hydrologic unit code...本数据集为9314个匹配12位水文单元代码（Hydrologic Unit Code）的无实测水文资料流域，提供了48项流域特征的数值与分类描述。