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The systematic and random variation of recorded radiance in a LANDSAT Thematic Mapper Image

Michael J. Duggin, H. Sakhavat, John B. Lindsay

Open publisher page 4 citations

Abstract

In this study, we examine the systematic and random variations in recorded radiance in two of the LANDSAT Thematic Mapper bandpasses for images obtained over a uniform agricultural area before and after harvest. Large variations will affect the accuracy with which conclusions may be reached regarding ground cover from an analysis of recorded multiband radiance data. We found the variations to be sufficiently large to suggest a need for caution in the quantitative analysis of multichannel digital radiance data to discriminate terrestrial cover types.

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What this paper is about

In this study, we examine the systematic and random variations in recorded radiance in two of the LANDSAT Thematic Mapper bandpasses for images obtained over a uniform agricultural area before and after harvest. Large variations will affect the accuracy with which conclusions may be reached regarding ground cover from an analysis of recorded multiband radiance data. We found the variations to be sufficiently large to suggest a need for caution in the quantitative analysis of multichannel digital radiance data to discriminate terrestrial cover types.

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Available abstract

In this study, we examine the systematic and random variations in recorded radiance in two of the LANDSAT Thematic Mapper bandpasses for images obtained over a uniform agricultural area before and after harvest. Large variations will affect the accuracy with which conclusions may be reached regarding ground cover from an analysis of recorded multiband radiance data. We found the variations to be sufficiently large to suggest a need for caution in the quantitative analysis of multichannel digital radiance data to discriminate terrestrial cover types.

Key concepts: Thematic Mapper, Radiance, Remote sensing, Thematic map, Cover (algebra), Variation (astronomy), Forest cover, Environmental science

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