Data Set |
Coverage |
Resolution |
Date of data |
CTGPROC dataset keyword |
Global |
30 arc-second (~1 km) |
1997 (Version 1) 1999 (Version 2) |
GLAZNA, |
|
U.S. |
30m |
Various from 1992-2021 |
NLCD92, |
|
USGS Land Use Land Cover (LULC) |
U.S. |
1:100,000- and |
Early 1990s |
CTG 1 |
Europe |
100m |
1990, 2000, 2006 |
GEN 2 |
1 USGS no longer distributes CTG files. Lakes Environmental Software CALPUFF View users can access these files via WebGIS.
2 The Corine data has to be converted to a generic format.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GLCC are available through the USGS Earth Explorer site.
The selection of data is performed through a web interface that is easy to navigate: To narrow your search area: type in an address or place name, enter coordinates or click the map to define your search area (for advanced map tools, view the help documentation), and/or choose a date range.
Data come in formats supported by CTGPROC used for land use processing in CALMET/CALPUFF modeling.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Data can also be downloaded through the following direct links:
USGS National Land Cover Data 1992 (NLCD 92)
Corine: https://land.copernicus.eu/en/products/corine-land-cover
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The complete list of data formats supported by CTGPROC is:
(CTG) (GEN) (NZGEN) (GLAZNA) (GLAZSA) (GLAZEU) (GLAZAS) (GLAZAF) (GLAZAP) (USGSLA) (NLCD92) (NLCDTF) (NLCD01) (GLC2K) (UMDGLC) (MODIS) |
designates USGS CTG (compressed) designates Generic (no USGS translation is done) designates New Zealand Generic designates USGS Global (Lambert Azimuthal) for North America designates USGS Global (Lambert Azimuthal) for South America designates USGS Global (Lambert Azimuthal) for Eurasia - Europe designates USGS Global (Lambert Azimuthal) for Eurasia - Asia designates USGS Global (Lambert Azimuthal) for Africa designates USGS Global (Lambert Azimuthal) for Australia-Pacific designates USGS Lambert Azimuthal data (~1000m) designates USGS NLCD 1992 designates National Land Cover Dataset 1992 GeoTIFF designates National Land Cover Dataset 2001 GeoTIFF designates Global Land Cover 2000 GeoTIFF designates Univ. of Maryland Global Land Cover GeoTIFF designates Boston Univ. Modis Global Land Cover |