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

  • Raw Ice Layer Thickness Data from the Pacific Ocean acquired during R/V Nathaniel B. Palmer expedition NBP1802 (2018). View Data
  • Raw Acoustic Backscatter and Swath Bathymetry Data from the Pacific Ocean acquired during R/V Nathaniel B. Palmer expedition NBP1802 (2018). View Data
  • Multi-Channel Seismic Shot Data from the Hikurangi subduction margin collected during R/V Marcus G. Langseth expedition MGL1801 (2018). View Data
  • Navigation Data from the Pacific Ocean acquired during R/V Nathaniel B. Palmer expedition NBP1802 (2018). View Data
  • Raw Underway Hydrographic and Weather and Ship-state Data (JGOFS) from the Pacific Ocean acquired during R/V Nathaniel B. Palmer expedition NBP1802 (2018). View Data
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Recent Citations

  • Lara et al., 2018, Unraveling short-lived rejuvenated volcanism and a rapid transition from shield stage at O'Higgins Guyot, Juan Fernandez Ridge, Pacific SE, Deep Sea Res.. doi: 10.1016/j.dsr.2018.08.012.
  • Jourdan et al., 2018, Geo-thermochronology of the Saint Antonin basin, south-eastern France, BSGF - Earth Sci. Bull., 189, 12-. doi: 10.1051/bsgf/2018013.
  • Gardner et al., 2018, Global Comparison of Benthic Nepheloid Layers Based on 52 years of Nephelometer and Transmissometer Measurements, Progress in Oceanography. doi: 10.1016/j.pocean.2018.09.008.
  • Bright et al., 2018, Distinguishing brackish lacustrine from brackish marine deposits in the stratigraphic record: A case study from the late Miocene and early Pliocene Bouse Formation, Arizona and California, USA, Earth Sci. Rev.. doi: 10.1016/j.earscirev.2018.08.011.
  • Bloch et al., 2018, Watching dehydration: Seismic Indication for Transient Fluid Pathways in the Oceanic Mantle of the Subducting Nazca Slab, Geochem. Geophys. Geosyst.. doi: 10.1029/2018GC007703.
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