The MARCAN project, launched last January, is working to fill a gap in our knowledge of how freshwater flowing underground shapes and alters the continental margins.
seafloor
Posted inNews
Iron Readings Hint That Ocean Depth Influences Seabed Volcanism
Water pressure on mid-ocean ridges may affect magma production kilometers beneath the ocean floor.
Posted inNews
Deep-Seabed Mining May Come Soon, Says Head of Governing Group
New regulations could open the door for sustainable mining, says the head of the International Seabed Authority. However, he and others pointed to environmental, financial, and technical challenges.
Posted inEditors' Highlights
Sloping Topography and Oceanic Surface Modes
An accurate understanding of the influence of ocean bottom topography helps to diagnose the velocities of subsurface currents.
Posted inResearch Spotlights
Seafloor Activity Sheds Light on Plate Tectonics
Scientists in Japan study stress released by oceanic earthquakes in newborn sections of seafloor.
Posted inScience Updates
An 1888 Volcanic Collapse Becomes a Benchmark for Tsunami Models
When volcanic mountains slide into the sea, they trigger tsunamis. How big are these waves, and how far away can they do damage? Ritter Island provides some answers.
Posted inOpinions
Keeping Our Focus on the Subseafloor
Hard-pressed funding agencies wonder whether marine seismic facilities are worth the investment. A recent survey gives a resounding yes.
Posted inResearch Spotlights
Microbes May Thrive in Subsea Permafrost Long After Flooding
Two cores from the East Siberian Arctic Shelf reveal how microbial communities develop over thousands of years as submarine permafrost slowly thaws.
Posted inResearch Spotlights
New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes
Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.
Posted inNews
Seafloor Data from Lost Airliner Search Are Publicly Released
Detailed maps of the bottom of the Indian Ocean reveal deep canyons and landslides but no wreckage of Malaysia Airlines flight MH370, which went missing in 2014.