Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Eduncle Best Answer
Dear Sonam,
Greetings!!
1. DEM- Digital elevation model is used to know the surface morphology of the earth. It helps in the flooding and landslide type natural calamity. Where it helps in the monitoring of surface feature.
2. ASTER- Advance spaceborne thermal emission radiometer is an active satellite. Thiswas send by Japan. As it is active satellite, it emits its own thermal energy and data are freely available for general usage.
3. SRTM- Shuttle radar topography mission is used for the digital elevation model to gethigh resolution image of the different terrain present in the earth surface.
Thank you for asking your query.