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Geophysical Research Letters

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Researchers track carbon dioxide trends in the Southern Ocean to better understand one of the world’s largest carbon sinks
Posted inResearch Spotlights

Shedding Light on the Southern Ocean Carbon Sink

by S. Witman 22 February 201817 August 2022

One of the world’s largest carbon sinks is still poorly understood.

Researchers examine how the spread of a major atmospheric circulation system will dry portions of the globe.
Posted inResearch Spotlights

Pinpointing Effects of Hadley Cell Expansion

by S. Witman 6 February 20181 March 2023

As a major atmospheric circulation system spreads farther poleward, some regions are drying out. But as time passes, will this drying be symmetrical across the globe?

Posted inEditors' Highlights

Two Paired Eddies Travel Faster and Further Than One

by J. Sprintall 2 February 201822 July 2022

The first observational evidence of dipole eddy pairs (modons) in the southern midlatitude ocean reveals that they move faster, live longer, and travel greater distances compared to single eddies.

Researchers use satellite data to track nitrous oxide in the atmosphere
Posted inResearch Spotlights

First Near-Global Measurements of Isotopic Nitrous Oxide

by Terri Cook 31 January 201823 January 2023

By harnessing satellite data collected from low-Earth orbit, scientists can now track the distribution of atmospheric nitrous oxide and its isotopes.

Posted inEditors' Highlights

Mapping Extreme-Value Geoelectric Fields

by Gang Lu 25 January 201813 April 2022

To help mitigate magnetic storm interference on electric power grid operations, extreme-value geoelectric fields have been mapped across the mid-Atlantic United States.

: New research suggests solar wind is the main driver of space weathering on the Moon’s surface
Posted inResearch Spotlights

Space Weathering Asymmetrically Alters Lunar Crater Walls

Sarah Stanley, Science Writer by Sarah Stanley 23 January 201815 November 2021

Directional differences in craters’ optical properties suggest that the solar wind, not tiny meteorites, is the main driver of space weathering on the Moon.

Researchers capture the first complete image of Earth’s geocorona
Posted inResearch Spotlights

Tracing the Path of Gas Atoms from Earth to the Final Frontier

by S. Witman 22 January 201817 January 2023

Scientists capture the first complete image of Earth’s luminous geocorona and prove its ecliptic north–south symmetry.

Posted inEditors' Highlights

New Observations of Mysterious Radar Echoes

by Gang Lu 19 January 201812 October 2022

Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.

Researchers reassess how water circulates between ocean and land
Posted inResearch Spotlights

Rethinking How Water Circulates Between the Oceans and Land

by Terri Cook 11 January 201813 February 2023

A reexamination of the global water cycle shows that tropical coastlines exert a profound influence on atmospheric water circulation by wringing water vapor from the atmosphere.

Synthesized observations and analysis provide strong evidence that anthropogenic climate change is expanding dry areas in northern midlatitudes
Posted inResearch Spotlights

Humans to Blame for Higher Drought Risk in Some Regions

Sarah Stanley, Science Writer by Sarah Stanley 26 December 20179 May 2022

New observations and analysis dispel remaining doubts that anthropogenic climate change is expanding dry areas in northern midlatitudes.

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