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Atlantic Ocean

Map showing glacier extent and graphs
Posted inEditors' Highlights

Scotland’s Last Glaciers Cause a Shift in an Old Paradigm

by Olga Sergienko 24 March 202324 March 2023

Cosmogenic geochronology of Scotland’s vanished glaciers indicates that the paradigm of weakened North Atlantic currents causing a rapid regional cooling is no longer valid.

Maps showing the composite average of “open” and “closed valve” conditions for the Labrador Current.
Posted inEditors' Highlights

Gulf Stream Closes the Valve of the Labrador Current

by Takeyoshi Nagai 17 March 202316 March 2023

Virtual particles released in the Labrador Current revealed that the westward penetration of the current into the shelf seas is inhibited by warm core rings emanating from the Gulf Stream.

Graphs showing examples of predicted extreme streamflow in catchments.
Posted inEditors' Highlights

Predicting Flood Conditions in the Next Few Years

by Valeriy Ivanov 7 February 20236 February 2023

Multiyear flood predictions are possible for watersheds in which the magnitude and frequency of flooding can be related to an atmospheric pressure see-saw in the North Atlantic region.

卫星图像显示了非洲部分地区、北美洲和南美洲,以及大西洋上空的几个热带风暴系统。
Posted inResearch Spotlights

非洲风与大西洋风暴的联系

by Sarah Stanley 6 January 20236 January 2023

模拟研究表明,北非上空大气中的波会影响大西洋热带气旋形成的强度、时间和位置。

Satellite image showing parts of Africa, North America, and South America, as well as several tropical storm systems over the Atlantic Ocean.
Posted inResearch Spotlights

Linking African Winds to Atlantic Storms

by Sarah Stanley 7 December 20226 January 2023

Simulations suggest that waves in the atmosphere above northern Africa influence the intensity, timing, and location of formation of Atlantic tropical cyclones.

Posted inEditors' Highlights

Respiration Quotient Variability and Ocean Oxygen Levels

by Eileen Hofmann 1 November 20221 November 2022

Respiration quotients in the Atlantic and Pacific Oceans reflect different water temperature, nutrient stress and phytoplankton community structure, important for regional carbon and oxygen cycling.

A bolt of lightning flashes across a night sky.
Posted inNews

Salt Spray May Stifle Lightning over the Sea

by Carolyn Wilke 1 November 20224 November 2022

New research suggests that sea-salt aerosols seed large raindrops that starve clouds of water needed to make lightning. But not all scientists are convinced it’s simply about salt spray.

A view over open ocean toward a large iceberg with part of a large yellow spherical mooring float in the foreground
Posted inResearch Spotlights

When Winds and Currents Align, Ocean Mixing Goes Deep

by Sarah Derouin 31 October 202217 November 2022

Slantwise convection in the Irminger Sea off Greenland appears to mix ocean water to deeper depths than previously thought, representing an important contribution to Atlantic overturning.

People sit on the prow of a boat around the paper on the deck.
Posted inNews

An Inclusive Approach to Oceangoing Research

by Jenessa Duncombe 27 October 202227 October 2022

The bread and butter of oceanography, sea voyages rarely include minoritized communities and nonscientists. The Inclusion Mission wants to change that.

Artistic interpretation in which part of Earth is seen from above, and a bright trail of light pierces clouds and ends in what looks like an explosion
Posted inNews

Impact Crater off the African Coast May Be Linked to Chicxulub

by Katherine Kornei 19 September 202213 October 2022

The underwater crater, spotted serendipitously in commercial observations of seafloor sediments, is believed to have formed at roughly the same time as the famous Cretaceous-Paleogene impact event.

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