| 14-digit HUC boundaries |
nj14-hucs.zip
| New Jersey 14-digit Hydrologic Catalog Unit (HUC) watershed boundaries.
Metadata available.
|
md14-hucs.zip
| Maryland 14-digit Hydrologic Catalog Unit (HUC) watershed boundaries.
Metadata available.
|
nc14-hucs.zip
| North Carolina 14-digit Hydrologic Catalog Unit (HUC) watershed boundaries.
Metadata available.
|
| 2000 Census |
asc_census.zip
| Census tract boundaries (geography only) from the US Bureau of Census (2000 Census).
Metadata available.
|
| ASC States |
asc_states.zip
| State boundaries for the ASC study area
Metadata available.
|
| Digital Elevation models |
ascdems.zip
| 3-arc-second DEMs at the 1:250,000-scale. Resolution: approx. 100 m.
Metadata available.
|
| Drainage basins |
asc_basins.zip
| The drainage basin boundaries were obtained by aggregating 1:2,000,000-Scale Hydrologic Unit Boundaries for each drainage basin.
Metadata available.
|
| Ecoregions |
asc_ecoreg.zip
| Ecoregions based on Bailey’s map (1995)
Metadata available.
|
| Geology |
asc_geol.zip
| Surficial geology at a scale of 1:7,500,000
Metadata available.
|
| Land use distributions |
ascnlcd_rc.zip
| Similar to the ascnlcd.zip above but with more generalized classes. This is the one being used for the ASC project. The classes for ASC purposes can be found at: http://www.epa.gov/mrlc/classes.html
Metadata available.
|
ascnlcd.zip
| 30-m resolution land cover distributions from Landsat TM acquired by Multi-Resolution Land Characteristics (MRLC) Consortium. Definition of classes can be found at http://www.epa.gov/mrlc/classes.html
Metadata available.
|
| Major Land Resource Areas |
asc_mlra.zip
| Areas of similar pattern of soils, climate, water resources and land uses. Scale: 1:2,000,000.
Metadata available.
|
| Physiographic provinces |
asc_physio.zip
| Physiographic provinces and sections based on 1:17,000,000-scale map.
Metadata available.
|
| Soils |
asc_statsgo.zip
| Several attributes have been computed for each mapping unit. Scale: 1:250,000. See Statsgo attribute definitions.txt
Metadata available.
|
| Stream Layer |
asc_route_rch.zip
| Transport and coastline reaches and routes from the National Hydrography Dataset (NHD).
Metadata available.
|
| Study area boundary |
asc_bound.zip
| The study area boundary is the outer boundary of drainage basins contained in the Atlantic Slope region
Metadata available.
|
