US NLCD
National Land Cover Database (NLCD) is a Landsat TM derived
classification of the United States. It has a nominal
resolution of 30 m. The first data set was created in 1995 from
circa 1992 imagery and was followed by 2001, 2006, 2011, and NLCD
2016 in the spring of 2019.
Download data from
MLRC.
Allows you to open Land Cover from the main
toolbar. You can do the following on the Calculate menu. Both of these options
require that the NLCD data be indexed in the integrated database, but you can
perform the operations on any open map.
- NLCD Classification: roam over the map and see the NLCD
category on the right edge of the status bar.
- NLCD Box: outline a box, and see the percentage of each
category in the box.
Mask DEM/grid with NLCD.
Co-occurrence matrix to see changes from
one time period to another
We have noticed some anomalies in the NLCD classifications;
single points can be off. Consider NLCD an area average.
There is a canopy dataset.
NLCD References
- Vogelmann, J.E., S.M. Howard, L. Yang, C.R. Larson, B.K.
Wylie, N. Van Driel, 2001, Completion of the 1990s National Land
Cover Data Set for the Conterminous United States from Landsat
Thematic Mapper Data and Ancillary Data Sources: Photogrammetric
Engineering & Remote Sensing, vol.67, p.650-652.
- Collin Homer, Jon Dewitz, Joyce Fry, Michael Coan, Nazmul
Hossain, Charles Larson, Nate Herold, Alexa McKerrow, J. Nick
VanDriel, and James Wickham, 2007, Completion of the 2001
National Land Cover Database for the Conterminous United States: Photogrammetric
Engineering & Remote Sensing, vol.73, no.4, p.337-341.
- Fry, J.A., Xian, G., Jin, S., Dewitz, J.A., and 5 others, 2011, Completion
of the 2006 National Land Cover Database for the Conterminous United States:
Photogrammetric Engineering & Remote Sensing, vol.77, no.9, p.858-864.
- Jin, S., Yang, L., Danielson, P.,
Homer, C., Fry, J., and Xian, G. 2013.
A comprehensive change detection method for updating the National Land Cover
Database to circa 2011. Remote Sensing of Environment, 132: 159 –
175.
Last revision 1/13/2021