How new processing techniques are revealing the hidden topography of Earth's ice sheets
In short: This video explores how advanced data processing for the CryoSat mission is increasing resolution, allowing scientists to gain unprecedented insights into the thickness and elevation of continental ice sheets and marine ice cover.
The video features Noel Gourmelen from the University of Edinburgh, who discusses breakthroughs in processing data from Europe's first ice mission. By utilizing new techniques, researchers can better understand the topography of ice sheets, a task made possible by the mission's advanced radar altimeter.
To ensure accuracy, CryoSat relies on precise orbit determination. This is achieved through the DORIS radio receiver, which measures Doppler frequency shifts from ground beacons, and a passive Laser Retroreflector (LRR) that works with the international laser tracking network. These tools allow the satellite's position to be determined within a few centimetres.
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Sources
- Summary by Intellect · source: Earth from Space: New processing techniques with CryoSat
- Also: CryoSat - Earth Online
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