Evaluation of a color-coded Landsat 5/6 ratio image for mapping lithologic differences in western South Dakota

Raines, Gary L.; Bretz, R. F.; Shurr, George W.

Abstract:

From analysis of a color-coded Landsat 5/6 ratio, image, a map of the vegetation density distribution has been produced by Raines of 25,000 sq km of western South Dakota. This 5/6 ratio image is produced digitally calculating the ratios of the bands 5 and 6 of the Landsat data and then color coding these ratios in an image. Bretz and Shurr compared this vegetation density map with published and unpublished data primarily of the U.S. Geological Survey and the South Dakota Geological Survey; good correspondence is seen between this map and existing geologic maps, especially with the soils map. We believe that this Landsat ratio image can be used as a tool to refine existing maps of surficial geology and bedrock, where bedrock is exposed, and to improve mapping accuracy in areas of poor exposure common in South Dakota. In addition, this type of image could be a useful, additional tool in mapping areas that are unmapped.

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USGS Numbered Series

ProdID:

10775

Citation Author:

Raines, Gary L.; Bretz, R. F.; Shurr, George W.

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ENGLISH

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22 p., 1 sheet :fold. map ;28 cm.

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U.S. Geological Survey,

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Open-File Report

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OFR

Citation Series Number:

79-596

Citation Search Results Text:

Evaluation of a color-coded Landsat 5/6 ratio image for mapping lithologic differences in western South Dakota; 1979; OFR; 79-596; Raines, Gary L.; Bretz, R. F.; Shurr, George W.

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1979

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citation/reference

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Evaluation of a color-coded Landsat 5/6 ratio image for mapping lithologic differences in western South Dakota; 1979; OFR; 79-596; Raines, Gary L.; Bretz, R. F.; Shurr, George W.