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A team of researchers led by the University of Arizona (UArizona) conducted a radar "body scan" of Alaska's Malaspina Glacier, which is the largest | Earth And The Environment
Mapping a large coastal glacier in Alaska revealed that its bulk sits below sea level and is undercut by channels, making it vulnerable to accelerated melting in an already deteriorating coastal habitat.
This rectangular iceberg was pictured in 2018 as part of Operation IceBridge, NASA's longest-running aerial survey of polar ice.
The application of diffusion theory and Monte Carlo lidar radiative transfer simulations presented in Part I of this series of study suggests that snow depth can be derived from the first-, second- and third-order moments of the lidar backscattering pathlength distribution. These methods are now applied to the satellite ICESat-2 lidar measurements over the Arctic sea ice and land surfaces of Northern Hemisphere. Over the Arctic sea ice, the ICESat-2 retrieved snow depths agree well with co-located IceBridge snow radar measured values with a root-mean-square (RMS) difference of 7.8 cm or 29.2% ...
Mountain glaciers are essential water sources for nearly a quarter of the global population. But figuring out just how much ice they hold — and...