The IceBridge BedMachine Greenland, Version 4 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains a bed topography/bathymetry map of Greenland based on mass conservation, multi-beam data, and other techniques. It also includes surface elevation and ice thickness data, as well as an ice/ocean/land mask. Version 4's temporal coverage spans from 1 January 1993 through 1 October 2020.
This data set is being made available as an early release and minimal documentation is currently available. An increased Level of Service and more detailed documentation will be available in the future.
Data set DOI: https://doi.org/10.5067/VLJ5YXKCNGXO