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Browsing Tag

paleoclimate

2 posts
SScience
An artist’s impression of Earth around 700 million years ago during the Sturtian glaciation. Image credit: Pablo Carlos Budassi.
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Seasonal and Multi-Decadal Climate Cycles Persisted during Snowball Earth, Scientists Say

  • February 12, 2026
A new analysis of exquisitely preserved laminated rocks (varves) from the Port Askaig Formation on the Garvellach Islands,…
EEnvironment
The maps show today’s (Holocene) global ocean surface currents - warmer red colors represent higher current velocities. The black lines are the five main fronts of the Antarctic Circumpolar Current (ACC), from north to south. The red line marks Jason Route 104 near the Drake Passage (DP)45. The shaded area in the map left is the area concerned in the study (image right).
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Earth’s largest ocean current may be shifting north again

  • October 9, 2025
The Antarctic Circumpolar Current (ACC) encircles Antarctica between roughly 45°S and 70°S, flowing endlessly from west to east.…
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