Introduction :
Remote sensing is the art and science of obtaining information about an object ,area or phenomenon through the analysis of data acquired by a device that isn't in contact with the object area or phenomenon. It is the methodology employed to study physical or chemical characteristics of the objects from a long distance. In remote sensing system, data is usually collected by highly sophisticated sensors.The most widely adopted form of remote sensing is aerial Photogrammetry.Field application of remote sensing:
Following are the application of remote sensing:
-Environmental analysis.
-Ozone layer depletion studies.
-Application to Mineral exploration.
-Natural hazard minimization.
-Archaeological exploration.
-Useful in GIS.
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