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NISAR:


What is it?

NISAR stands for NASA ISRO Synthetic Aperture Radar Mission

Aims: To study the hazards and global environmental changes

When? Slated to launched in 2020-21

Details:
 

  • NISAR is a dual frequency (L & S Band) Radar Imaging Satellite. It will be the first radar imaging satellite to use dual frequency.
  • Will be launched in a Sun Synchronous Low -Earth
  • It is designed to observe and take measurements of some of the planet’s most complex processes, including ecosystem disturbances, ice-sheet collapse, and natural hazards such as earth quakes, tsunamis, volcanoes  and landslides.
  • The satellite is likely to be launched from India aboard an Indian launch vehicle.

Applications:

  • NISAR would provide info about a place more frequently. For Ex. If the present satellite take 23 to 25 days to revisit a particular spot and give the next round of info about it, NISAR would provide the repeat info in two to five days.
  • Objectives:
  • Estimation of soil moisture
  • Agriculture and forest biomass
  • Estimation of glacier
  • Snow and possibility of landslide
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