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CC BY-NC-ND 2019

Diagram of oxygen concentrations at 350 meters depth that shows the oxygen deficient zone, or shadow zone, in the eastern tropical North Pacific Ocean
Posted inResearch Spotlights

How the Ocean’s “Shadow Zone” Breathes

by E. Underwood 28 August 201922 December 2021

A new study uses Argo floats and an ocean circulation model to track the sources supplying pulses of oxygen to the deep North Pacific.

Graph showing adjacent periods of enhanced and reduced geomagnetic activity as experienced by the Czech electric power grid
Posted inEditors' Highlights

Space Weather Drives Power Grid Anomalies in Europe

by Michael A. Hapgood 28 August 201913 October 2021

A retrospective cohort analysis of anomalies on the Czech power grid shows they are more common during enhanced geomagnetic activity, the first time such impacts have been identified outside the USA.

Color map of sea surface temperatures in the northwest Pacific
Posted inEditors' Vox

The Kuroshio Current: Artery of Life

by Takeyoshi Nagai 27 August 20199 November 2022

The waters of the Kuroshio Current in the northwestern Pacific Ocean transport heat, salt, and organic and inorganic matter from south to north, shaping the ocean ecosystem.

Photograph of an ancient Norse archeological site, called Anavik, in western Greenland
Posted inNews

Global Warming Is Conquering the Vikings

Lucas Joel by L. Joel 27 August 201916 December 2021

Ancient Arctic artifacts are disappearing as warming unfurls.

Graphs showing correlations between satellite retrievals (GPROF) and ground-based (MRMS) observations of precipitation
Posted inEditors' Highlights

Accounting for the Fact that Snow Falls Slower than Rain

by Alessandra Giannini 26 August 201911 August 2022

When calibrating satellite observations with ground-based ones, estimated precipitation rates are improved by considering that snow takes longer to fall compared to rain.

Image of the Sun with bright solar flares
Posted inNews

Researchers Reproduce Processes Behind Astrophysical Shocks

Rachel Crowell, Science Writer by Rachel Crowell 26 August 201913 October 2021

Studying shock precursors in a laboratory setting enables researchers to take a different look at the precursors’ properties and the physics behind them.

A multicolored coral reef with blue settlement tiles pinned to it
Posted inNews

Tropical Corals Are Migrating Away from Warming Waters

Rachel Crowell, Science Writer by Rachel Crowell 23 August 201914 December 2023

In the first global assessment of its kind, researchers discovered that coral recruitment is declining globally and throughout the tropics while increasing in the subtropics.

Buckled asphalt caused by a slow-moving landslide
Posted inNews

Rainfall Kick-Starts Slow-Moving Landslides

Katherine Kornei, Science Writer by Katherine Kornei 22 August 20195 October 2021

A census of hundreds of slow-moving landslides in Northern California reveals an uptick in the number and speed of landslides in 2017, the second-wettest year on record.

Rocky, steep-sided desert valley
Posted inNews

The Dawning of the Age of Old Aquifers

Sarah Derouin, Science Writer by Sarah Derouin 21 August 201919 July 2022

A new technique using 81Kr can measure the age of old groundwater in arid regions. The method can be used as a proxy for past climates and weather patterns.

cone-shaped meteorite
Posted inNews

Goldilocks Meteors Carved into Cones

Mary Caperton Morton, Science Writer by Mary Caperton Morton 21 August 20198 March 2022

Their “just right” shape lends some shooting stars flight stability and symmetry.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

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23 January 202622 January 2026
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Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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