IEDA: Marine Geoscience Data System IEDA
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IEDA Data Browser

Explore IEDA's global interdisciplinary data holdings through an interactive map interface. The IEDA Data Browser uses the GMRT Synthesis as a backdrop, and allows you to zoom to areas of interest and search across IEDA systems to discover interdisciplinary research data.

IEDA Investigator Support

MGDS and its partner system EarthChem together provide a suite of services in support of observational solid earth research in the Ocean, Earth, and Polar Sciences.

We make data management easy!

Antarctic Data Resources

The Antarctic & Southern Ocean Data Portal provides access to geoscience data from the Antarctic region, primarily acquired with the R/Vs Nathaniel B. Palmer and Laurence M. Gould.

Search for Antarctic Data

Visualization Tools

Use our desktop apps GeoMapApp and Virtual Ocean to explore, visualize and analyze your own data within the context of hundreds of other earth science data from around the world.

Carry the world in your pocket with our mobile app EarthObserver

GMRT MapTool

Create your own custom maps & grids! GMRT MapTool provides instant access to our GMRT Synthesis, a global multi-resolutional data set which includes seafloor bathymetry data to 100-m resolution where data are available.

Recent Data Contributions

  • Processed Navigation Data from the Drake Passage acquired during R/V Laurence M. Gould expedition LMG1904 (2019). View Data
  • Raw Underway Hydrographic and Weather and Ship-state Data (JGOFS) from the Antarctic Peninsula acquired during R/V Laurence M. Gould expedition LMG1904 (2019). View Data
  • Raw Seismic Navigation Data (P2 format) from the Emperor Seamounts chain acquired during Langseth cruise MGL1902 (2019). View Data
  • Raw Seismic Navigation Data (P1 format) from the Emperor Seamounts chain acquired during Langseth cruise MGL1902 (2019). View Data
  • Processed Seismic Navigation Data (P1 format) from the Emperor Seamounts chain acquired during Langseth cruise MGL1902 (2019). View Data
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Recent Citations

  • Schmid et al., 2019, Physico-chemical properties of newly discovered hydrothermal plumes above the Southern Mid-Atlantic Ridge (13°-33°S), Deep Sea Res. I. doi: 10.1016/j.dsr.2019.04.010.
  • Napier et al., 2019, Provenance of detrital sediments in Santa Barbara Basin, California, USA: Changes in source contributions between the Last Glacial Maximum and Holocene. doi: 10.1130/B32035.1.
  • Afegbua et al., 2019, Probabilistic seismic hazard assessment for national planning and development in Nigeria, J. Geod., 126, 46-55. doi: 10.1016/j.jog.2019.03.004.
  • Huang et al., 2019, Formation of Authigenic Low-Magnesium Calcite from Sites SS296 and GC53 of the Gulf of Mexico, Minerals, 9, 251-. doi: 10.3390/min9040251.
  • Barry et al., 2019, Forearc carbon sink reduces long-term volatile recycling into the mantle, Nature, 568, 487-492. doi: 10.1038/s41586-019-1131-5.
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