New version available: MEaSUREs BedMachine Antarctica, Version 2

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New version available: MEaSUREs BedMachine Antarctica, Version 2


Dear Colleague,


The MEaSUREs BedMachine Antarctica, Version 2 data set, accessible from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated to a new version. Additional ice thickness data have been used to constrain the bed topography under grounded ice, and new multi-beam ocean bathymetry data and gravity inversions have been integrated for the Amundsen sea embayment area. An error in geoid height was also corrected for the IBCSO bathymetry.


This data set is part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program. It contains a bed topography/bathymetry map of Antarctica based on mass conservation, streamline diffusion, and other methods.


Additional data access options and documentation are provided on the data set web page at the NSIDC DAAC:



Data Acknowledgements

Data author: Morlighem, M.

Data set DOI: <a href="applewebdata://19208E6C-A5C5-4A87-A12E-4C817A9F479B/%22">

Data center: NSIDC DAAC (

Sponsor: NASA EOSDIS (


If you have any questions, please contact the User Services Office at [hidden email].


Best regards,


User Services





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