A new analysis of seismic data from the Middle America Trench suggests that previous calculations have vastly overestimated the total amount of water transported to the mantle worldwide.
Marine seismics
Posted inEditors' Highlights
New Data from Earth’s Largest Non-Volcanic Rift Margin
Seismic reflection images combined with petrological data provide new constraints on the nature of the basement in the enigmatic Australia-Antarctic oceanic-continent transition zone.
Posted inEditors' Vox
Age and Speed Matter in the Formation of New Oceanic Crust
A synthesis of data from studies in different ocean basins reveals that the characteristics of oceanic crust are shaped by age and spreading rate.
Posted inScience Updates
Exploring the Unknown of the Ross Sea in Sea Ice–Free Conditions
A team of polar scientists aboard the OGS Explora, cruising in rare ice-free conditions, discovered new evidence of ancient and modern-day ice sheet sensitivity to climatic fluctuations.
Posted inResearch Spotlights
Scraping Bottom: Iceberg Scours Reveal North Atlantic Currents
A 3-D seismic analysis of Pleistocene iceberg gouges indicates that surface currents in the Norwegian Sea flowed northward and remained consistent during numerous glacial cycles.
Posted inScience Updates
Better Utilization of Marine Seismic Data
Increasing the Access to and the Relevance of Marine Seismic Data; San Francisco, California, 11–13 December 2014