MEaSUREs BedMachine Antarctica, Version 2 (NSIDC-0756)
Data set:
NSIDC-0756
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This is the most recent version of these data.
Version Summary
Changes to this version include:
- additional thickness data to constrain the bed topography under grounded ice
- new multi-beam ocean bathymetry data, as well as gravity inversions, integrated in the Amundsen Sea embayment
- an error in geoid height was corrected for the IBCSO bathymetry

Overview

This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains a bed topography/bathymetry map of Antarctica based on mass conservation, streamline diffusion, and other methods. The data set also includes ice thickness, surface elevation, an ice/ocean/land mask, ice thickness estimation errors, and a map showing where each method was utilized.
Data Contributor(s):
  • Mathieu
    Morlighem
Parameter(s):
BATHYMETRY BED ELEVATION FIRN AIR CONTENT GLACIER/ICE SHEET THICKNESS TERRAIN ELEVATION
Platform(s):
MODELS
Sensor(s):
NOT APPLICABLE
Data Format(s):
NetCDF
Temporal Coverage:
1 January 1970 to 1 October 2019
Temporal Resolution:
Not applicable
Spatial Resolution:
500 m
500 m
Spatial Coverage:
N:
-53
S:
-90
E:
180
W:
-180

Data Access & Tools

A free NASA Earthdata Login account is required to access these data. Learn More

Help Articles

How To

Many NSIDC DAAC data sets can be accessed using the NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface.
There are MATLAB and Python scripts available for interpolating the BedMachine Antarctica parameters onto user-defined latitude and longitude. They are available from the following GitHub repository, which includes further details on how to use the scripts:
All data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) can be accessed directly from our HTTPS file system, using wget or curl. Basic command line instructions are provided in the article below.