Abstract
Remote sensing has emerged as a viable tool for Monitoring earth resources information. Satellite-based remote sensing is fast, accurate and easily repeatable. Satellite remote sensing has two aspects: (i) developing and launching satellites (ii) receiving, analysing and applying the remotely-sensed information. India has launched Bhaskara-I and SEO-II satellites which have some basic remote-sensing capability. The Indian Remote Sensing Satellite which will be an operational remote sensing satellite is scheduled for launch in the mid-eighties. Parallely, the data from the Landsat 2 and 3 satellites is being received by the National Remote Sensing Agency. Plans are underway to receive data from Landsat-D as well as from the French satellite SPOT.The Landsat data is corrected for geometric and radiometric errors before it is used. The National Remote Sensing Agency as well as the Space Applications Centre have extensive facilities for computer-aided analysis of remotely-sensed data.Studies carried out at NRSA in the areas of Hydrololgy, Agriculture, Soil sciences etc indicate the effectiveness of the remote sensing methodology.
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