Thermal data from the Landsat-3 Multispectral Scanner (MSS) are used in conjunction with visible near-infrared data associated with a scene in New York State in order to assess the contribution of thermal data in classification. Despite limitations resulting from poor thermal resolution (about plus/minus 1.5 C), a spatial resolution 1/9 of the other bands, and instrumentation problems, the thermal data are shown by principal component analysis to provide additional information representing a potential discriminating factor for multispectral classification. However, analysis shows that this information is not readily associated with that in the visible near-infrared for identification of surface types and may lead to misinterpretation or spurious classification unless considerable caution is exercised. A physical explanation is suggested involving thermal fluxes at the Earth's surface.


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    Title :

    The contribution of thermal data in Landsat multispectral classification


    Additional title:

    Der Beitrag der thermischen Daten zur multispektralen Klassifikation der Erdoberflaeche mit dem Landsat-3 Satelliten


    Contributors:
    Price, J.C. (author)

    Published in:

    Publication date :

    1981


    Size :

    8 Seiten, 7 Bilder, 4 Tabellen, 13 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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