which etm channel enables the clearest/easiest discrimination (classification) of the land-cover types? which band provides the least amount of information concerning the variation in land cover within the image subset?

Respuesta :

Geographic information system channel enables the clearest/easiest discrimination or classification of the land-cover types. It means that Land cover refers to the vegetative characteristics or manmade constructions on the land's surface.

Land cover is referred to what covers the surface of the earth and land use describes how the land is used some examples of this land cover  included the water, snow, grassland, deciduous forest, and bare soil.

The main purpose  of the Landsat satellite program was to provide a tool for continuous monitoring of earth’s resources and later it was called Landsat 1 in July 1972 because it has majorily contributed for development of remote sensing applications such as land cover classification.

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