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The NASA Pre-IceBridge ATM Level-2 Icessn Elevation, Slope, and Roughness (BLATM2) data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic and Arctic region land ice surface acquired using the NASA Airborne Topographic Mapper (ATM) instrumentation. The data are stored in ASCII text format and are available for periodic campaigns from 23 June 1993 through 30 October 2008.
For more information on this data set, please refer to the ReadMe.icessn.txt file.
See the NASA About the ATM page for more on the Airborne Topographic Mapper.
See the BLATM2 landing page for access to the data.
Data set DOI: http://dx.doi.org/10.5067/6C6WA3R918HJ