National Hydrography Dataset
E855112
The National Hydrography Dataset is a comprehensive digital geospatial database that maps the surface water features of the United States, including streams, rivers, lakes, and related hydrologic information for analysis and cartography.
Statements (84)
| Predicate | Object |
|---|---|
| instanceOf |
United States government dataset
ⓘ
geospatial database ⓘ hydrographic dataset ⓘ |
| accessURL | https://www.usgs.gov/national-hydrography ⓘ |
| acronym | NHD NERFINISHED ⓘ |
| containsAttribute |
GNIS identifiers
ⓘ
feature names ⓘ feature types ⓘ flow direction ⓘ flow network connectivity ⓘ permanent identifiers ⓘ reach codes ⓘ |
| coordinateReferenceSystem | geographic coordinates ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| coverageArea |
Alaska
NERFINISHED
ⓘ
Hawaii NERFINISHED ⓘ Puerto Rico NERFINISHED ⓘ U.S. Virgin Islands NERFINISHED ⓘ conterminous United States NERFINISHED ⓘ other U.S. territories ⓘ |
| dataAccess | free ⓘ |
| dataFormat |
file geodatabase
ⓘ
geodatabase ⓘ shapefile ⓘ web services ⓘ |
| dataModel | feature-based vector model ⓘ |
| describes | surface water features ⓘ |
| developer | United States Geological Survey NERFINISHED ⓘ |
| governedBy | USGS data standards ⓘ |
| hasScale |
1:100,000
ⓘ
1:2,000,000 ⓘ 1:24,000 ⓘ |
| includesFeatureType |
area features
ⓘ
artificial paths ⓘ bays ⓘ canals ⓘ coastline segments ⓘ dams ⓘ ditches ⓘ estuaries ⓘ flowlines ⓘ glaciers ⓘ hydrologic units ⓘ ice masses ⓘ inlets ⓘ lakes ⓘ levees ⓘ linear features ⓘ locks ⓘ marshes ⓘ outfalls ⓘ playas ⓘ point features ⓘ ponds ⓘ rapids ⓘ reservoirs ⓘ rivers ⓘ springs ⓘ streamgages ⓘ streams ⓘ swamps ⓘ water intakes ⓘ waterbodies ⓘ waterfalls ⓘ wells ⓘ |
| isPartOf | National Map NERFINISHED ⓘ |
| isRelatedTo |
NHDPlus
NERFINISHED
ⓘ
National Elevation Dataset NERFINISHED ⓘ Watershed Boundary Dataset NERFINISHED ⓘ |
| license | public domain ⓘ |
| publisher | United States Geological Survey NERFINISHED ⓘ |
| supportsUseCase |
cartography
ⓘ
environmental management ⓘ flood risk assessment ⓘ hydrologic analysis ⓘ resource planning ⓘ water quality modeling ⓘ watershed delineation ⓘ |
| updateFrequency | periodic ⓘ |
| usedBy |
federal agencies
ⓘ
local governments ⓘ private sector ⓘ researchers ⓘ state agencies ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.