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National Land Cover Database (NLCD) 2001 - Alaska

Dates

Publication Date
Start Date
1985-06-08
End Date
2006-05-29

Citation

U.S. Geological Survey, 2003, National Land Cover Database (NLCD) 2001 Land Cover Conterminous United States (ver. 2.0, July 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P9MZGHLF.

Summary

This update to the Alaska National Land Cover Database (NLCD) 2016 replaces the files dated 20200213. In this update the landcover footprint was extended along the northern coast to include the islands that were missed in previous versions, and several duplicate roads (offset by 1 or 2 pixels) were removed on the Aleutian Islands. The Alaska National Land Cover Database 2016 was created using change detection between the nominal dates of 2011 and 2016 utilizing Google Earth engine composites of Landsat imagery. Traditionally, previous classifications of Alaska used path row data and spectral comparisons between path rows along with ancillary data to derive areas of change. Alaska has many challenges for land cover classification, with [...]

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Attached Files

Click on title to download individual files attached to this item.

AK_NLCD_2001_canopy_2-7-08.zip
“AK 2001 Canopy”
88.07 MB application/zip
AK_NLCD_2001_expanded_wetland_cover_types_3-14-08.zip
“AK 2001 Expanded wetland cover types”
75.73 MB application/zip
AK_NLCD_2001_land_cover_3-13-08.zip
“AK 2001 Land Cover (older version)”
281.71 MB application/zip
ak_nlcd_2001_land_cover_3-13-08_se5.zip
“AK 2001 Land Cover See5”
243.21 MB application/zip
AK_NLCD_2001_shadow_mask_3-12-08.zip
“AK 2001 Shadow mask”
8.75 MB application/zip
AK_NLCD_2001_zone8_imperviousness_1-25-06.zip
“AK 2001 Impervious Zone 8”
1.16 MB application/zip
NLCD_2001_Impervious_AK_20200724.zip
“AK 2001 Impervious”
1.75 MB application/zip
NLCD_2001_Impervious_Descriptor_AK_20200724.zip
“AK 2001 Impervious descriptor”
866.66 KB application/zip
NLCD_2001_Land_Cover_AK_20200724.zip
“AK 2001 Land Cover”
386.9 MB application/zip
NLCD_2001_Urban_Descriptor_AK_20200724.zip
“AK 2001 Urban descriptor”
19.37 MB application/zip

Purpose

The goal of this project is to provide the Nation with complete, current and consistent public domain information on its land use and land cover.

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Communities

  • Earth Resources Observation and Science Center (EROS)

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