Search datasets
-
Physiography for the Mid-Atlantic Coastal Plain was constructed by standardizing and extrapolating previous physiographic interpretations for areas within and adjacent to the region. For more...
Search relevance: 134.11 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:02 AM -
Physiography was derived from an attribute field in the ecological subsection mapping. The original physiography linework was adjusted to match the image segmentation edges. Segments in more than...
Search relevance: 96.64 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 02:55 AM -
The hydrogeologic framework was developed from a combination of the physiography and the predominant texture of surficial geologic units in the Mid-Atlantic Coastal Plain. It describes the...
Search relevance: 55.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:57 AM -
This data set is an ArcGIS shapefile depicting land segments in the Chesapeake Bay Watershed and adjacent states of New York, Pennsylvania, Maryland, West Virginia, Delaware, Virginia, North...
Search relevance: 54.71 | Views last month: 8 | Catalog Last Checked: August 01, 2026 at 05:54 AM -
Generalized lithology (rock type) and physiography based on geologic formations were used to characterize hydrgeomorphic regions (HGMR) within the Chesapeake Bay watershed. These HGMRs were used...
Search relevance: 54.33 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:19 AM -
This tabular data set represents the percent of physiographic provinces compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...
Search relevance: 33.37 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:46 AM -
Dataset includes compiled flow/no flow observations from past US EPA probabilistic stream
Search relevance: 30.01 | Views last month: 0 | Catalog Last Checked: August 03, 2026 at 12:47 AM -
This is a polygon coverage of Physiographic Divisions in the conterminous United States. It was automated from Fenneman's 1:7,000,000-scale map, "Physical Divisions of the United States," which is...
Search relevance: 29.37 | Views last month: 18 | Catalog Last Checked: August 01, 2026 at 05:47 AM -
The MLRA Geographic Database was prepared for Agriculture Handbook 296 re-publication and is used to support decisions about regional and national agricultural issues. The database and AH 296 help...
Search relevance: 27.89 | Views last month: 25 | Catalog Last Checked: August 01, 2026 at 05:03 AM -
This reference contains the imagery data used in the completion of the baseline vegetation inventory project for the NPS park unit. Orthophotos, raw imagery, and scanned aerial photos are common...
Search relevance: 27.01 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:04 AM -
This layer contains polygon features of Ecological Units for the state of California as described by ECOMAP (1993) "... mapped based on associations of those biotic and environmental factors that...
Search relevance: 25.51 | Views last month: 0 | Catalog Last Checked: July 31, 2026 at 08:51 PM -
This data release contains a dataset of geospatial and tabular data used in support of a flood-frequency study of urban streams in Tennessee and parts of Alabama, Georgia, Mississippi, North...
Search relevance: 24.87 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 04:37 AM -
CO2 and water vapor fluxes and ecosystem characteristics were measured at 24 sites along a 317-km transect from the Arctic coast to the latitudinal treeline in Alaska during the growing seasons of...
Search relevance: 24.66 | Views last month: 2 | Catalog Last Checked: June 23, 2026 at 09:27 PM -
This data layer contains the Province-level physiographic subdivisions of Maryland in ArcGIS format. The file was developed from components of a detailed digital physiographic map of Maryland by...
Search relevance: 23.30 | Views last month: 4 | Catalog Last Checked: August 02, 2026 at 11:08 PM -
This geodatabase contains three (3) rasters, two (2) of which represent landcover for Selawik National Wildlife Refuge and surrounding areas. The third raster contains plot-based ground...
Search relevance: 21.52 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 02:56 AM -
This digital elevation model (DEM) for the Northern Atlantic Coastal Plain (NACP) from Long Island New York to northeastern North Carolina represents the elevation of the topographic and...
Search relevance: 18.86 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:14 AM -
This submission contains geospatial (GIS) data on water table gradient and depth, subcrop gravity and magnetic, propsectivity, heat flow, physiographic, boron and BHT for the Southwest New Mexico...
Search relevance: 18.83 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 12:58 AM -
Bathymetry of Lake Michigan has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible to the public. The...
Search relevance: 17.35 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 12:56 PM -
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research,...
Search relevance: 16.24 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:59 AM -
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. The ecoregions of Alaska are a framework for organizing and...
Search relevance: 16.24 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:56 AM
