Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.
upwelling
Posted inResearch Spotlights
Melting Glaciers Mix Up Waters More Than We Thought
Existing theory underestimates the mixing of freshwater and seawater by up to 50%.
Posted inResearch Spotlights
Tiny Turbulent Whirls Keep the Arctic Ocean Flowing
Centimeter-sized turbulence controls the rate at which the Arctic Ocean churns.
Posted inNews
Panama’s Coastal Waters Missed Their Annual Cooldown This Year
The unprecedented failure of tropical upwelling will likely affect the country’s fisheries. Scientists aren’t certain whether it will happen again next year.
Posted inNews
Model Suggests Undersea Mountains Help Mix the Global Ocean
Seamounts may play a significant role in ocean turbulence and the upwelling of deep waters.
Posted inEditors' Highlights
Overturning Ocean Water by Turbulence
A high-resolution regional model of the Southern Ocean reveals how topographically induced mixing in the abyss is important in creating the water masses that can upwell back up to the surface.
Posted inEditors' Highlights
How Nutrients Get Back Up to the Surface Ocean
A new dual isotope tracer technique is used to assess the role of a number of poorly understood nutrient supply mechanisms fueling biological productivity in the ocean.
Posted inEditors' Highlights
Pulses of Coastal Upwelling Generate Phytoplankton
Phytoplankton patches at an ocean front in the California Current System are found to originate from different coastal upwelling pulses.
Posted inResearch Spotlights
Tropical Cyclone Triggered Record Algal Bloom in the South Pacific
In 2019, Tropical Cyclone Oma hovered over the Coral Sea in the South Pacific, leaving a massive algae bloom in its wake.
Posted inEditors' Highlights
Bio-Argo Floats Reveal Phytoplankton Increase at Ocean Fronts
Bio-Argo floats and satellite altimeter data reveal that upwelling caused by confluent flow on the warm side of ocean fronts increases phytoplankton carbon and chlorophyll.