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Atlantic Ocean

Three global maps using color to indicate different data.
Posted inEditors' Highlights

A Multidecadal View of Oceanic Storage of Anthropogenic Carbon

by Susan Trumbore 17 August 202315 August 2023

A decline in the ratio of ocean carbon accumulation to atmospheric carbon dioxide growth between 1994-2004 and 2004-2014 suggests a reduction in the sensitivity of the ocean carbon sink.

Satellite image of a close-in view of the clouds of a hurricane eye
Posted inNews

Outlook: Normal Atlantic Hurricane Season Expected

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 25 May 202330 May 2023

Atmospheric and oceanic features are simultaneously strengthening and suppressing hurricane activity this year.

Two graphs from the paper.
Posted inEditors' Highlights

New Theory Explains Radiative Cooling of the Lower Atmosphere

by Hang Su 17 May 202317 May 2023

The shape of radiative cooling in lower atmosphere is controlled by the lapse rate in the water vapor path according to a new theory and observations from subsidence regimes in the tropical Atlantic.

Two maps of the study site and a graph.
Posted inEditors' Highlights

Do Ocean Currents Mix Water Vertically or Stir Laterally?

by Takeyoshi Nagai 10 May 202310 May 2023

Observations of temperature and salinity distributions across the Brazil-Malvinas Confluence reveal the importance of small-scale mixing processes for water mass modification.

Graphs from the paper.
Posted inEditors' Highlights

Satellite View of African Easterly Waves and Hurricane Formation

by Suzana Camargo 9 May 20235 May 2023

Researchers present a new analysis of surface winds and enthalpy fluxes from satellite retrievals for African easterly waves that intensify into Atlantic hurricanes.

A chunk of coastal permafrost has toppled into the sea along Alaska’s northernmost shores.
Posted inEditors' Vox

What We Know and Don’t Know About Climate Tipping Elements

by Seaver Wang 12 April 202311 April 2023

As climate change continues, parts of the Earth system such as ice sheets, frozen soils, or the Amazon rainforest could shift—some quickly, some slowly—after crossing key thresholds or tipping points.

Graphs depicting water mass transformation.
Posted inEditors' Highlights

Diapycnal Mixing and the Atlantic Ocean Overturning Circulation 

by Eileen Hofmann 3 April 202330 March 2023

Quantitative observation-based estimates highlight the contribution of diapycnal mixing to the Atlantic Meridional Overturning Circulation, water mass formation, and tracer transfers and pathways.

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 20237 June 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.

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By Sarah Derouin

EDITORS' HIGHLIGHTS
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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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