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Four months after launch, the lidar laser aboard NASA’s Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2), in conjunction with the Airborne Topographic Mapper (ATM) and Land Vegetation and Ice Sensor (LVIS) lasers aboard NASA’s Operation IceBridge airborne campaign, succeeded in their mission to take identical measurements of ice sheet elevation and sea ice thickness in the Arctic, in addition to measurements of land topography, vegetation characteristics, and clouds.
ICESat-2 carries a single instrument, the Advanced Topographic Laser Altimeter System, or ATLAS. Like GLAS, the altimeter on the first ICESat mission, ATLAS measures the travel times of laser pulses to calculate the distance between the spacecraft and…READ MORE