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Description
This data set, part of NASA's Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, consists of ice velocities at 240 m resolution, generated from Landsat 4, 5, 7, and 8 optical image pairs. Velocities were derived using the autonomous Repeat Image Feature Tracking algorithm (autoRIFT) processing chain. Data are available for all land ice areas larger than 5 square km, spanning the period from 1985 to 2018 (subject to image availability and quality). Data scarcity and/or low radiometric quality are significant limiting factors for many regions during the earlier years of the data record. Annual, global coverage is nearly complete after the 2013 launch of Landsat 8.
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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Gardner, A., Fahnestock, M., & Scambos, T. (2022). MEaSUREs ITS_LIVE Landsat Image-Pair Glacier and Ice Sheet Surface Velocities, Version 1 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/IMR9D3PEI28U Date Accessed: 2026-04-30
Gardner, Alex, Mark Fahnestock, and Ted Scambos. “MEaSUREs ITS_LIVE Landsat Image-Pair Glacier and Ice Sheet Surface Velocities, Version 1.” NASA National Snow and Ice Data Center Distributed Active Archive Center, 2022. doi:10.5067/IMR9D3PEI28U. Date Accessed: 2026-04-30
Gardner, Alex, et al. MEaSUREs ITS_LIVE Landsat Image-Pair Glacier and Ice Sheet Surface Velocities, Version 1. NASA National Snow and Ice Data Center Distributed Active Archive Center, 2022, doi:10.5067/IMR9D3PEI28U. Date Accessed: 2026-04-30
Fahrner, Dominik, Slater, Donald A., KC, Aman, Cenedese, Claudia, Sutherland, David A., Enderlin, Ellyn, de Jong, M. Femke, Kjeldsen, Kristian K., Wood, Michael, Nienow, Peter, Nowicki, Sophie, Wagner, Till J. W.