How scientists validate satellite data on the Greenland ice sheet
In short: In October 2016, researchers traveled to Greenland's west coast to conduct the KAREN field campaign. This video explores how ground-level experiments help calibrate satellite measurements to track how polar ice is changing.
Using helicopter transport to access the EGIG line transect, which spans from the ice sheet's edge to the summit's dry snow zone, the University of Leeds headed the mission. Researchers Anna Hogg and Andrew Shepherd conducted experiments at three distinct sites to gather critical data.
The team employed several methods: extracting ice cores to study snow density and stratigraphy, using snow pen technology to determine depth to the previous summer's melt layer, and deploying metal surface reflectors to ensure airborne measurements were accurate. These efforts support the European Space Agency's mission to design future space-based climate monitoring tools.
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Sources
- Summary by Intellect · source: KAREN field campaign
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