The locations of humpback whale catches in the early 20th century indicate that most climate models overestimate the historic extent of sea ice in the Southern Ocean.
Oceans
Posted inResearch Spotlights
Tracing Black Carbon’s Journey to the Ocean
Scientists surveyed a trio of estuaries in pursuit of a missing source of oceanic dissolved black carbon.
Posted inNews
Anchoring Is Damaging the Fragile Antarctic Seabed
Scientists call for better protection of Antarctica’s vulnerable seafloor ecosystem as ship traffic increases around the continent.
Posted inNews
Mapping Mud Volcanoes in Shallow Seas
A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, undiscovered, in the deep ocean.
Posted inNews
Biomass and Biodiversity Were Coupled in Earth’s Past
Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff in Earth’s oceans changed alongside the diversity of organisms.
Posted inEditors' Highlights
Scientists Face Limitations Accessing Seafloor Information
Recent reductions in U.S. oceanographic assets are limiting scientists’ ability to access vital materials in the ocean.
Posted inResearch Spotlights
More Bubbles Means More Variation in Ocean Carbon Storage
A new model accounting for the role of bubbles in air-sea gas exchanges suggests that ocean carbon uptake is more variable than previously thought.
Posted inNews
Warming Gulf of Maine Buffers Ocean Acidification—For Now
Scientists constructed a 100-year history of acidity in the Gulf of Maine. They expected coastal variability but were surprised by what they didn’t find: a strong anthropogenic signal.
Posted inNews
New Satellite Adds Evidence of an Earth-Shaking Wave
A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study provides the first observational evidence of the waves.
Posted inScience Updates
Finding Consensus on Arctic Ocean Climate History
Understanding the effects of a “blue” Arctic Ocean on future climate requires a coordinated effort to study Earth’s past warm periods using a variety of classical and cutting-edge methods.