Search datasets
-
The U.S. Geological Survey (USGS), in cooperation with the Louisiana Department of Transportation, prepared hydro-conditioned geographic information systems (GIS) layers for use in the Louisiana...
Search relevance: 130.39 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:50 PM -
This dataset consists of flow direction rasters for each 4-digit Hydrologic Unit Code (HUC) area in Maine (0101, 0102, 0103, 0104, 0105, and 0106). The cell size of each raster is 10 meters, and...
Search relevance: 118.71 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:53 PM -
overland_flow_direction_UCRB_daymet_resolution.txt is an Esri ASCII grid representing overland flow direction in the Upper Colorado River Basin using the D8 flow-routing convention.
Search relevance: 116.68 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:53 PM -
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 116.64 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
This data set contains lines illustrating general direction of groundwater flow within Dixie Valley, west-central Nevada.
Search relevance: 116.25 | Views last month: 1 | Catalog Last Checked: October 14, 2026 at 05:20 AM -
The U.S. Geological Survey (USGS), in cooperation with the Puerto Rico Environmental Quality Board, has compiled a series of geospatial datasets for Puerto Rico to be implemented into the USGS...
Search relevance: 111.61 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:26 PM -
overland_flow_direction_UCRB_Maurer_resolution.asc is an Esri ASCII grid representing overland flow direction in the Upper Colorado River Basin using the D8 flow-routing convention.
Search relevance: 111.37 | Views last month: 2 | Catalog Last Checked: October 29, 2026 at 06:29 AM -
The U.S. Geological Survey (USGS), in cooperation with the Federal Emergency Management Agency, Pennsylvania Department of Environmental Protection, Pennsylvania Department of Transportation, and...
Search relevance: 109.50 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:58 PM -
The U.S. Geological Survey (USGS), in cooperation with the Texas Department of Transportation (TxDOT), prepared hydro-conditioned geographic information systems (GIS) data layers for use in the...
Search relevance: 104.74 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:16 PM -
The U.S. Geological Survey (USGS), in cooperation with the New Jersey Department of Environmental Protection (NJDEP), prepared hydro-conditioned geographic information systems (GIS) data layers...
Search relevance: 103.63 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:11 PM -
This data release is companion to a manuscript entitled: "Long-term intermittent connection between the western Snake River Plain and Columbia Basin: a two-phased incision history of Hells...
Search relevance: 100.78 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 08:44 PM -
This dataset contains the Flow Direction (FD) grid for the Asian continent from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The flow direction data were developed and...
Search relevance: 100.52 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:52 PM -
This dataset contains the Flow Direction (FD) for North America from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The flow direction data were developed and distributed by...
Search relevance: 98.35 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 09:48 PM -
This dataset contains the Flow Direction (FD) for Greenland from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The HDMA database provides comprehensive and consistent...
Search relevance: 96.62 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 10:23 PM -
The U.S. Geological Survey (USGS), in cooperation with the Illinois Center for Transportation and the Illinois Department of Transportation, prepared hydro-conditioned geographic information...
Search relevance: 96.20 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:07 PM -
This dataset contains the Flow Direction (FD) for Europe from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The data were developed and distributed by processing units....
Search relevance: 95.23 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:51 PM -
This dataset contains the Flow Direction (FD) for Africa from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The FD data were developed and distributed by processing units....
Search relevance: 95.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:49 PM -
This dataset contains the Flow Direction (FD) for Australasia from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The data were developed and distributed by processing...
Search relevance: 94.69 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:24 PM -
This data release archives Kentucky digital elevation models (DEM), flow accumulation rasters (FAC), flow direction rasters (FDR), and stream drainage rasters (STR) (hereafter, the combination of...
Search relevance: 93.17 | Views last month: 2 | Catalog Last Checked: October 31, 2026 at 08:19 AM -
This dataset contains the Flow Direction (FD) for South America from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The data were developed and distributed by processing...
Search relevance: 92.58 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:06 PM
