MEaSUREs Phase-Based Antarctica Ice Velocity Map V001

This data set, as part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) Program, combines interferometric phases from multiple satellite interferometric synthetic-aperture radar systems to derive the first comprehensive phase-based map of Antarctic ice velocity. The precision in ice speed and flow direction over 80% of Antarctica is better than prior mappings based on feature and speckle tracking by a factor of 10. Phase-derived velocity mostly covers the years between 2007 and 2018, while tracking-derived velocity (for regions along the coasts) is mostly found in the years from 2013 to 2017. Additional data acquired between 1996 and 2018 were used as needed to maximize coverage.

See Antarctic Ice Sheet Velocity and Mapping Data for related data.

Data and Resources

Additional Info

Field Value
Maintainer Eric Rignot
Last Updated July 17, 2025, 14:10 (UTC)
Created March 31, 2025, 13:17 (UTC)
accessLevel public
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citation MEaSUREs Phase-Based Antarctica Ice Velocity Map V001. Version 1. Archived by National Aeronautics and Space Administration, U.S. Government, NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/PZ3NJ5RXRH10.
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harvest_source_id 61638e72-b36c-4866-9d28-551a3062f158
harvest_source_title DNG Legacy Data
identifier C1699753973-NSIDC_ECS
issued 1996-01-01
landingPage https://doi.org/10.5067/PZ3NJ5RXRH10
language {en-US}
metadata_type geospatial
modified 2018-12-31
programCode {026:001}
publisher NASA NSIDC DAAC
resource-type Dataset
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spatial -180.0 -90.0 180.0 -60.0
temporal 1996-01-01T00:00:00Z/2018-12-31T23:59:59.999Z
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