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

  • CORK-II Pressure Data from Hole U1382A along the western flank of the Mid-Atlantic Ridge (2014-2017). View Data
  • CORK-II Pressure Data from Hole U1383C along the western flank of the Mid-Atlantic Ridge (2014-2017). View Data
  • CORK-Lite Pressure Data from Hole U1383B along the western flank of the Mid-Atlantic Ridge (2014-2017). View Data
  • Images of near-bottom AUV Navigation, Oxygen, Pressure and Temperature Data from the Hawaiian Seamounts acquired during R/V Sikuliaq expedition SKQ201401S (2014). View Data
  • Gridded Bathymetry Data from the Hawaiian Seamounts used for dive planning during R/V Sikuliaq expedition SKQ201401S (2014). View Data
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Recent Citations

  • Bermudez et al., 2019, Exhumation-Denudation History of the Maracaibo Block, Northwestern South America: Insights from Thermochronology, Front. Earth Sci. In book: Geology and Tectonics of Northwestern South America. doi: 10.1007/978-3-319-76132-9_13.
  • da Silva et al., 2018, Evolution of the Southwestern Angolan Margin: episodic burial and exhumation is more realistic than long-term denudation, Int. J. Earth Sci.. doi: 10.1007/s00531-018-1644-4.
  • Ahmed et al., 2018, Modelling land susceptibility to erosion in the coastal area of Bangladesh: A geospatial approach, Geomorphology, 320, 82-97. doi: 10.1016/j.geomorph.2018.08.004.
  • Mairal et al., 2018, Unmasking cryptic biodiversity in polyploids: origin and diversification of Aster amellus aggregate, Annals of Botany. doi: 10.1093/aob/mcy149.
  • Reinhard et al., 2018, Sr and Nd isotopic compositions of individual olivine-hosted melt inclusions from Hawai'i and Samoa: Implications for the origin of isotopic heterogeneity in melt inclusions from OIB lavas, Chemical Geology. doi: 10.1016/j.chemgeo.2018.07.034.
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