Wednesday, May 11, 2022

The PO.DAAC is pleased to announce the release of multiple datasets from Oceans Melting Greenland (OMG), a 6-year (2015-2021) NASA Earth Venture Suborbital-2 (EVS-2) mission that produced novel datasets and research to give insight into how marine glaciers react in the presence of warm, salty Atlantic ocean water. More information about the mission can be found on the OMG project website and the OMG mission page on PO.DAAC’s website.

This release includes all previously unreleased data produced by OMG. New (5) and updated (1) datasets are listed below with their digital object identifiers (, which redirect to the corresponding dataset pages on the PO.DAAC Web Portal. The new releases include:

Temperature and salinity profiles collected by autonomous floats:

Free-air gravity measured to refine bathymetry modeling of sea floor shape and depth:

Temperature profiles collected with Airborne eXpendable BathyThermograph (AXBT) probes:

Elevation measured for Greenland glaciers and coastline with GLISTIN-A (UAVSAR)

Updates from the 2021 and 2022 deployments of the MultiBeam Echo Sounder (MBES), which measured in situ depths for glaciers around the coast of Greenland:

Various documentation about OMG mission planning and execution are also included in this release. Such resources are linked on the Documentation tab of the corresponding dataset landing page(s). Examples include field reports, which give context to the observations acquired during the extensive airborne and field campaigns conducted by OMG, and example software to facilitate the use of the data generated by the mission.


Please include references to OMG datasets when using the data in a manuscript or other published research. Citation guidelines are given on the Citation tab of the landing page for each dataset, e.g. this citation is appropriate when using the L2 AXBT dataset:

OMG. 2021. OMG Airborne eXpendable Bathy Thermograph (AXBT) Profiles Version 1. Ver. 1. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at

Comments/Questions? Please contact or visit the PO.DAAC Forum.