Glaciers Melt from Below

Glaciers Melt from Below

Postby podaac » Wed Jan 20, 2021 9:08 pm

Greenland’s glaciers have been rapidly melting over the past several decades, and are now a major contributor to global sea level rise. To diagnose how the ocean is melting these glaciers from below, NASA’s Oceans Melting Greenland (OMG) Earth Venture Suborbital mission is measuring seawater temperature and salinity around the entire Greenland Ice Sheet including deep inside its iceberg-laden fjords where glaciers spill out into the ocean. A recent study (Wood et al. 2021) used this new OMG ocean data in combination with ECCO ocean models, remotely-sensed measurements of glacier retreat, and airborne measurements of ice thinning to investigate how subsurface ocean temperature variations have changed....

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