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upwelling

Bubbles bubble up in the ocean.
Posted inNews

Model Suggests Undersea Mountains Help Mix the Global Ocean

Tim Hornyak, Science Writer by Tim Hornyak 24 September 202424 September 2024

Seamounts may play a significant role in ocean turbulence and the upwelling of deep waters.

Model from the study.
Posted inEditors' Highlights

Overturning Ocean Water by Turbulence

by Nicolas Gruber 11 January 20248 January 2024

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.

Schematic diagram from the study.
Posted inEditors' Highlights

How Nutrients Get Back Up to the Surface Ocean

by Nicolas Gruber 10 January 20248 January 2024

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.

Diagram from the paper.
Posted inEditors' Highlights

Pulses of Coastal Upwelling Generate Phytoplankton

by Takeyoshi Nagai 8 May 20235 May 2023

Phytoplankton patches at an ocean front in the California Current System are found to originate from different coastal upwelling pulses.

Satellite imagery shows Tropical Cyclone Oma in white hovering over the South Pacific in blue, leaving a phytoplankton bloom in its wake.
Posted inResearch Spotlights

Tropical Cyclone Triggered Record Algal Bloom in the South Pacific

by Kirsten Steinke 2 May 20232 May 2023

In 2019, Tropical Cyclone Oma hovered over the Coral Sea in the South Pacific, leaving a massive algae bloom in its wake.

Researchers deploying an ARGO float.
Posted inEditors' Highlights

Bio-Argo Floats Reveal Phytoplankton Increase at Ocean Fronts

by Takeyoshi Nagai 20 March 202320 March 2023

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.

Drone footage of a blue whale surfacing to breathe off the coast of California.
Posted inNews

Scientists Tune In to Blue Whale Feeding Rhythms

by Bill Morris 26 October 20226 December 2022

New acoustic sensing technology is allowing scientists to track blue whale movements in real time, a breakthrough that could help save whales’ lives.

中国桑沟湾的筏式水产养殖
Posted inResearch Spotlights

沿岸水产养殖减少营养输送

by Jack Lee 3 May 20222 September 2022

对中国桑沟湾的高分辨率模拟显示,筏式养殖改变了水动力场,减少了营养盐从近海海底向养殖区的输送。

Gulf Stream currents shown in various colors
Posted inResearch Spotlights

Hidden Upwelling Systems May Be Overlooked Branches of Ocean Circulation

by Alexandra K. Scammell 14 April 202214 April 2022

New research suggests that overlooked upwelling systems in western boundary currents play a role in transporting nutrients, carbon, and heat in the global ocean.

Suspended aquaculture in Sanggou Bay
Posted inResearch Spotlights

Coastal Aquaculture Can Reduce Nutrient Transport

by Jack Lee 18 March 20223 May 2022

High-resolution simulations of China’s Sanggou Bay show that suspended aquaculture alters hydrodynamics and weakens transport of nutrients to the area from offshore bottom water.

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