Hydrography data

Hydrography data descriptions

This is an automatically generated table.

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There are 8 datasets described below.

Dataset info	Type	Origin	Description	Data example
DDM30	Hydrography	Modeled	Global drainage direction map
HYDRO1k	Hydrography	Modeled	HYDRO1k is a geographic database providing comprehensive and consistent global coverage of optographically derived data sets.
HydroLAKES	Hydrography	Measured	HydroLAKES is a database aiming to provide the shoreline polygons of all global lakes with a surface area of at least 10 ha.
HydroSHEDS	Hydrography	Modeled	Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales.
NHD	Hydrography	Measured	The National Hydrography Dataset
North America 3 arcsec drainage area	Hydrography	Modeled	The drainage area of North America at 3 arc sec resolution, from 7°N, 55°W to 60°N, 142°W
North American River Width Data Set (NARWidth)	Hydrography	Measured	NARWidth is composed of planform morphometric measurements of North American rivers at approximately mean discharge
SWBD	Hydrography	Measured	Shuttle Radar Topography Mission Water Body Dataset