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.
Oceans
Posted inScience Updates
A Coral Core Archive Designed for Transparency and Accessibility
CoralCT archives raw and processed data from coral and reef core samples, preserving valuable insights into how corals respond to environmental changes.
Posted inResearch Spotlights
Where Do Antarctic Submarine Canyons Get Their Marine Life?
A new study investigates how much of the phytoplankton in the Palmer Deep submarine canyon is homemade and how much is delivered.
Posted inEditors' Highlights
Kuroshio Intrusions into Luzon Strait Increase Chlorophyll
Using in-situ observational data, scientists reveal that Kuroshio intrusions through the Luzon Strait increase small phytoplankton in the South China Sea.
Posted inEditors' Vox
Two Equations that Unlock El Niño
Despite the El Niño–Southern Oscillation’s global reach and complex ocean–atmosphere interactions across timescales, two simple, elegant equations capture its key dynamics and defining properties.
Posted inResearch Spotlights
On the Origins of Subantarctic Mode Waters
A modeling study shows how warm subtropical waters and cold Antarctic waters combine to form an Indo-Pacific water mass that plays a key role in Earth’s climate.
Posted inEditors' Highlights
Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean
Long-term monitoring at a site in the subantarctic region south of Australia combined with ship-based observations reveals three distinct phases between cycles of phytoplankton productivity and dissolved iron.
Posted inResearch Spotlights
How Greenland’s Glacial Troughs Influence Ocean Circulation
Glacial troughs in Antarctica promote mixing of warm and cold water, affecting global climate. A new study explores whether the same is true in troughs along Greenland’s coastline.
Posted inResearch Spotlights
Water Density Shifts Can Drive Rapid Changes in AMOC Strength
High-latitude variations in density, which appear to be driven by changes in atmospheric pressure, can propagate to midlatitudes and affect the current’s strength within just a year.
Posted inResearch Spotlights
Robotic Floats Quantify Sinking Carbon in the Southern Ocean
An estimated 2.69 billion tons of carbon are exported to the deep sea every year from the Southern Ocean.