Unexpected climate feedback links Antarctic ice sheet with reduced carbon uptake
Alfred Wegener Institute (AWI)
Published: 2 February 2026
A sediment core study reveals West Antarctic Ice Sheet retreat correlates with reduced marine algae growth and CO2 uptake in the Southern Ocean, suggesting continued ice loss could weaken this crucial carbon sink.
Keywords: Southern Ocean, West Antarctic Ice Sheet, carbon uptake, microalgae, climate feedback, sediment core, Nature Geoscience
World-first landers delve into Dark Oxygen mystery
Scottish Association for Marine Science
Published: 20 January 2026
Two deep-sea landers capable of reaching 11km depth will investigate dark oxygen production by polymetallic nodules in the Clarion-Clipperton Zone, probing whether electrochemical processes create oxygen in total darkness on the seafloor.
Keywords: dark oxygen, deep sea, polymetallic nodules, Clarion-Clipperton Zone, deep-sea landers, electrolysis, DORI, ocean exploration
Antarctic Ocean Climate Changes Could Be a Disaster for This Fish
Northeastern University
Published: 20 February 2026
Warming Southern Ocean waters cause black rockcod embryos to hatch earlier, smaller, and with 60% developing deformities that could cascade through the Antarctic food web.
Keywords: black rockcod, Antarctic, Southern Ocean, warming, fish embryos, climate change, deformities, food web
