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ICESATIce, Cloud and land Elevation Satellite
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Unfortunately, ICESat only measures the lakes 66 days per year.
The ICESat satellite has been critical to meeting the goals of NASA's Cryospheric Science Program by providing ice elevation information at continental scales with high spatial resolution.
ICESat, which ceased operations in 2009, measured glacier changes using laser altimetry, which bounces laser pulses off the ice surface to determine changes in the height of ice cover.
GRACE does not have fine enough resolution and ICESat does not have sufficient sampling density to study small glaciers, but the two satellites' estimates of mass change for large glaciered regions agree well, the study concluded.
The mission provides critical measurements that bridge the gap between observations supplied by NASA's Ice, Cloud and Land Elevation Satellite, or ICESat, and the upcoming ICESat-2.
Now 16 scientists from nine countries have compared the data from traditional measurements on the ground with satellite data from the NASA missions ICESat (Ice, Cloud and land Elevation Satellite) and GRACE (Gravity Recovery and Climate Experiment).
His polar remote sensing research concentrates on visible and near-IR remote sensing (MODIS, Landsat 7, IKONOS), ICESat laser elevations, field GPS, and ice profiling radar studies.
This map, called Bedmap2, was compiled by the British Antarctic Survey and incorporates millions of new measurements, including substantial data sets from NASA's ICESat satellite and an airborne mission called Operation IceBridge.
The paper, "Mass loss of Greenland's glaciers and ice caps 2003 - 2008 revealed from ICESat laser altimetry data", showed glaciers with no or weak connection to the main ice sheet contributed to around 30 Gigatons (Gt) of water per year to sea level between 2003 and 2008.
8, 2014, at NASA Goddard's Visitor Center, located on ICESat Road in Greenbelt, Maryland.
ICESat-2 establishes on measurements taken by NASA s original ICESat mission.
The visitor center is located on IceSat Road in Greenbelt, Maryland.