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
- 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.
- 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.
- Estimation of soil moisture
- Agriculture and forest biomass
- Estimation of glacier
- Snow and possibility of landslide