Discuss the advantages of remote sensing.

1. It gives a synoptic view of region rather than a district or block.

2. It provides a reliable and real or near real time base line information.

3. It is relatively fast and economical as compared to ground survey.

4. It provides analogue and digital data for visual and digital interpretation respectively.

5. It provides repetitive coverage of the some area which is useful for change monitoring.

6. It is unaffected by bad weather or difficult ground conditions.