Surge glaciers have a unique type of glacial acceleration, surging, in which the glacial system leaves a period of quiescence and experiences velocities that are up to 200 times the non-surge ...
IceBridge’s Airborne Topographic Mapper instrument, or ATM, has two lasers that shoot thousands of pulses of light per second in a circular motion that, combined with the plane’s forward motion, ...
A visualization of ICESat-2 data, called a photon cloud, shows the first set of height measurements from the satellite, taken as it orbited over the Antarctic ice sheet. Each blue dot represents a ...
The Advanced Topographic Laser Altimeter System instrument, which will fly on the ICESat-2 satellite, sits in a clean room at NASA's Goddard Space Flight Center in Greenbelt, Md. Testing on the flight ...
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