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methane

Methane seep
Posted inNews

Ancient Methane Seeps Tell Tale of Sudden Warming

by JoAnna Wendel 5 May 20172 November 2021

Newly discovered rock mounds left by ancient methane seeps give scientists clues that methane on ancient ocean floor was released by ancient global warming.

New measurements help researchers assess methane emitted by wetlands
Posted inResearch Spotlights

What’s the Average Methane Isotope Signature in Arctic Wetlands?

by Terri Cook 4 May 20173 March 2023

Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.

Posted inEditors' Vox

Could Subsea Methane Hydrates Be a Warming “Tipping Point”?

by Alan Robock 13 April 20172 November 2021

The authors of a recent paper in Reviews of Geophysics answer questions about the potential for subsea methane hydrates to contribute to global warming.

A Phronima sp. adult female and its offspring emerge from a salp barrel they had parasitized.
Posted inScience Updates

Early-Career Scientists Explore Newly Discovered Methane Seeps

by A. E. Dekas and A. Skarke 10 March 20172 November 2021

UNOLS Deep Submergence Training Cruise 2016; Woods Hole, Massachusetts, 28 July to 7 August 2016

Cows may be a reason for increases in atmospheric methane
Posted inResearch Spotlights

Using Isotope Fingerprints to Solve a Methane Mystery

by Kate Wheeling 16 December 201625 October 2021

Atmospheric methane levels are rising, and isotopic ratios within the greenhouse gas suggest that the tropics may be to blame.

A wet climate in Minnesota led to more methane production zones in peatlands.
Posted inResearch Spotlights

A Wetter Climate Increases Methane Production in Peat

by E. Jacobsen 16 November 20162 November 2021

As northern Minnesota's climate got wetter, precipitation drove mobile forms of young carbon deeper into peatlands, doubling the size of methane-producing strata.

Methane-releasing vegetation flourishes in small freshwater Arctic tundra ponds
Posted inNews

Aquatic Plants May Accelerate Arctic Methane Emissions

by R. Heisman 22 September 201611 August 2022

About two thirds of the gas produced by a study area near Barrow, Alaska, came from increasingly abundant greenery covering only 5% of the landscape, researchers estimate.

This image of Pluto’s moon Charon was captured by NASA’s New Horizons spacecraft as it approached Pluto on 14 July 2015.
Posted inNews

Scientists Solve Charon's Red Mystery

by JoAnna Wendel 15 September 201625 October 2021

Why are Charon's poles dusted with reddish material?

Deep-sea worms inhabit a methane hydrate structure—how did such methane hydrate fare during the PETM?
Posted inResearch Spotlights

The Role of Seafloor Methane in Ancient Global Warming

by Sarah Stanley 1 September 20162 November 2021

New research suggests that release of methane from seafloor hydrates was much slower than hypothesized during a period of rapid global warming about 56 million years ago.

abandoned-oil-gas-wells-leak-methane-contaminate-aquifers
Posted inResearch Spotlights

What Happens to Methane That Leaks from Abandoned Wells?

by Sarah Stanley 10 August 20162 November 2021

Three-dimensional simulations suggest that some aquifers may be more vulnerable to contamination from leaky oil wells than others.

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