Geospatial technology is being used by the National Remote Sensing Centre NRSC to support National M...........

Science Affairs Space

Geospatial technology is being used by the National Remote Sensing Centre (NRSC) to support National Mission for Clean Ganga (NMCG) in which of the following ways?

1.Water quality monitoring

2.Urban sprawl change mapping

3.Non-point source pollution assessment

4.Comprehensive basin planning

Select the correct answer using the codes below.

1 and 4 only

2 and 3 only

1 ,2 and 4 only

All of the above

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Explanation:

Statement 3: Non-point pollution means that pollution is not being generated from a single point and the pollutants are dispersed location-wise. In such a case, it is difficult to estimate pollution load by conventional means. Geospatial data shows a map of all such non-point sources.
Learning: NRSC is a part of Indian Space Research Organization (ISRO).
Some of the tasks enlisted by NRSC as part of support to NMCG are generation of comprehensive GIS database, water quality assessment using satellite data of main Ganga from Kannauj to Varanasi, real time water quality data visualization.
It also includes high quality multispectral satellite image, aerial topographical survey, urban sprawl change mapping, non-point source pollution assessment etc.
A holistic approach is being adopted by NMCG to keep river Ganga clean by identifying five km. stretches from the edge of the bank/flood plain to the nearest main road for a comprehensive planning approach