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Producing Alaska interim land cover maps from Landsat digital and ancillary data

Pecora XI Symposium

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Abstract

In 1985, the U.S. Geological Survey initiated a research program to produce 1:250,000-scale land cover maps of Alaska using digital Landsat multispectral scanner data and ancillary data and to evaluate the potential of establishing a statewide land cover mapping program using this approach. The geometrically corrected and resampled Landsat pixel data are registered to a Universal Transverse Mercator (UTM) projection, along with arc-second digital elevation model data used as an aid in the final computer classification. Areas summaries of the land cover classes are extracted by merging the Landsat digital classification files with the U.S. Bureau of Land Management's Public Land Survey digital file. Registration of the digital land cover data is verified and control points are identified so that a laser plotter can products screened film separate for printing the classification data at map scale directly from the digital file.


The final land cover classification is retained both as a color map at 1:250,000 scale registered to the U.S. Geological Survey base map, with area summaries by township and range on the reverse, and as a digital file where it may be used as a category in a geographic information system.

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Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Producing Alaska interim land cover maps from Landsat digital and ancillary data
Series title:
Pecora XI Symposium
Year Published:
1987
Language:
English
Publisher:
American Society of Photogrammetry
Publisher location:
Falls Church, VA
Description:
9 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Pecora XI Symposium
First page:
339
Last page:
348
Country:
United States
State:
Alaska