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An overview of how Synthetic Aperture Radar can be used to determine forest structure
The joint U.S.-Indian NISAR satellite mission will use radar to observe a wide range of Earth processes, from the flow rates of glaciers and ice sheets to the dynamics of earthquakes and volcanos. NISAR can image Earth’s land masses at night and through clouds and will allow scientists to see places that have otherwise been obscured.
Synthetic Aperture Radar is a technology which was invented in the 1950's to enable aircraft to map terrain in high detail. It uses the motion of the radar and some fancy mathematics to get much higher detail images than should be possible from an antenna small enough to fit on an aircraft.
This process has been extended to satellites and applies to not just the earth, but to other terrestrial bodies in the solar system, notably Venus and Titan which are eternally shrouded in clouds.
Take a deep dive into one of the more unique datasets in the Earth Engine data catalog. This session provides an introduction to Synthetic Aperture Radar (SAR) data and working with scripts analyzing Sentinel-1 SAR data. Taught by Tyler Erickson.
This is the most expensive Earth Observation Satellite till date with a whopping 1.5 Billion USD cost. A joint mission of #NASA and #ISRO, is planned to scan the complete earth every 12 Days for detecting Volcanic Eruptions and Glacier Melting.
Lets understand the technology and details about the #NISAR project from #ManishPurohit (former ISRO Scientist)
An amusing introduction to radar remote sensing from satellites, with the concept of "range Doppler" image formation described using entertaining audio-video animations. The video finishes with a tongue-in-cheek "demonstration" of one satellite's ability to locate points on the ground.
In early April, Sentinel-1A will be launched from Europe's Spaceport in French Guiana on a Soyuz launcher. The radar mission is the first of the Copernicus programme, providing an all-weather, day-and-night supply of imagery for Copernicus user services.
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