On Friday, 06 November 2015 from 8:00 a.m. to 5:00 p.m. (USA Mountain Time), our FTP services, which also includes automated data requests from services such as Polaris and the GLAS Subsetter, will be unavailable because of system maintenance. We apologize for any inconvenience this may cause you.
The documentation for this data set is currently under construction and will be available in the near future. If you have any questions regarding this data set, please contact NSIDC User Services Office either by filling out a contact form, by e-mail to firstname.lastname@example.org, or by telephone at +1 303-492-6199.
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