Attributes for NHDPlus Version 2.1 Flowlines for the Conterminous United States: Mean Flow Path Distance to NHDPlus Version 2.1 Streams

This dataset describes mean flow path distance, in meters, to flowlines from every NHDPlus version 2.1 (NHDv2) flowline in every catchment. A National flow distance...本数据集量化了每个汇水区（catchment）内，所有NHDPlus版本2.1（NHDPlus version 2.1，简称NHDv2）流线的平均水流路径距离，单位为米。该数据集的国家尺度水流距离……