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Geophysical Research Letters

Livestock account for about a third of methane emissions in the United States, according to a new study.
Posted inResearch Spotlights

U.S. Methane Emissions on the Rise

by S. Kelleher 22 March 20162 November 2021

Data suggest that the United States may be responsible for half of global methane increase in the past decade.

Posted inResearch Spotlights

Antarctica Gets a New Gravity Map

by Sarah Stanley 18 March 201628 October 2021

A comprehensive collection of variation in Earth's gravity could aid studies of the Antarctic geoid and of Antarctica's geology and ice sheet dynamics.

Posted inResearch Spotlights

Demystifying Mercury "Hollows"

by Terri Cook 11 March 201628 July 2022

Spectral data from NASA's MESSENGER spacecraft indicate that the properties of the depressions on Mercury's surface can vary within a single crater and that these differences may correlate to age.

Posted inResearch Spotlights

Gamma Ray Bursts Leave Their Mark in the Low Ionosphere

by L. Strelich 10 March 201620 October 2021

Scientists use very low and low-frequency radio signals to detect short gamma ray bursts and their impact on the low ionosphere.

Posted inResearch Spotlights

How Oceans Could Change If We Reverse Anthropogenic Warming

by David Shultz 4 March 20164 March 2016

A computer simulation shows a net increase in primary production by phytoplankton if climate change were mitigated by 2200 but also indicates big changes in the makeup of those species.

Posted inResearch Spotlights

What Causes the Strange Pulses in Saturn's Magnetosphere?

by Sarah Stanley 4 March 201627 January 2022

A new model shows that a spiral wave may explain why many phenomena in the gas giant's magnetosphere undergo periodic cycles.

Posted inResearch Spotlights

The North Atlantic Ocean's Missing Heat Is Found in Its Depths

by C. Sullivan 3 March 201612 January 2022

In the 2000s, the North Atlantic stopped absorbing as much atmospheric warmth. However, the ocean lost only a little heat—the rest was held deeper below the surface by altered circulation patterns.

Posted inResearch Spotlights

Unknown Tsunami Trigger Hides Along a Creeping Aleutian Fault

by C. Sullivan 3 March 201624 January 2023

A seismically quiet part of the Aleutian Subduction Zone may have caused tsunamis in the past—and may cause future tsunamis that could travel across the Pacific Ocean.

Posted inResearch Spotlights

Ocean Waves Vibrating the Ross Ice Shelf

by L. Strelich 26 February 201613 January 2022

Scientists use seismic stations to study ice shelf vibrations generated by ocean waves to better understand their impact on the integrity of the Ross Ice Shelf.

Posted inResearch Spotlights

Fewer Tropical Cyclones Form After Volcanic Eruptions

by C. Sullivan 24 February 201617 November 2022

Volcanic eruptions aren't all bad—in some cases, they can lower the frequency of tropical cyclones in the North Atlantic by emitting sulfate aerosols.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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