E2NHDPlusV2_us: Database of Ancillary Hydrologic Attributes and Modified Routing for NHDPlus Version 2.1 Flowlines

The National Hydrography Dataset Plus, Version 2 (NHDPlusV2) is an attribute rich, digital hydrologic network for the Conterminous U.S. developed by the U.S....国家水文数据集增强版第2版（National Hydrography Dataset Plus, Version 2，简称NHDPlusV2）是一款富含属性信息的数字化水文网络数据集，覆盖美国本土地区，由美国开发...