Updated CONUS river network attributes based on the E2NHDPlusV2 and NWMv2.1 networks
收藏DataCite Commons2023-02-01 更新2026-05-07 收录
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资源简介：
The comid field of these data can be used to join to the NHDPlus version 2 flowline comid or catchment featureid attributes. The included attributes follow the same data model as the NHDPlusV2 but include numerous updates and improvements to network connectivity. All attributes that depend on network connectivity have been recalculated. These attributes are based on the National Hydrography Dataset Plus V2.1 (NHDPlusV2) network geometry and modifications retrieved from the National Water Model V2.1 (NWMv2.1) and "E2NHDPlusV2_us: Database of Ancillary Hydrologic Attributes and Modified Routing for NHDPlus Version 2.1 Flowlines" (E2NHDPlusV2) datasets. These attributes are available in three formats: csv, fst, and parquet. "fst" is [...]
提供机构：
U.S. Geological Survey
创建时间：
2022-09-06
