Centre for Arctic Gas Hydrate, Environment and Climate (CAGE) : CAGE

06/06/2017

Domes of frozen methane may be warning signs for new blow-outs

Several methane domes, some 500m wide, have been mapped on the Arctic Ocean floor. They may be signs of soon-to-happen methane expulsions that have previously created massive craters in a near-by area.

Text: Maja Sojtaric

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The massive craters were formed around 12,000 years ago, but are still seeping methane and other gases. Illustration: Andreia Plaza Faverola

01/06/2017

Massive craters formed by methane blow-outs from the Arctic sea floor

A new study in Science shows that hundreds of massive, kilometre –wide, craters on the ocean floor in the Arctic were formed by substantial methane expulsions.

Text: Maja Sojtaric

[…] » read more

Research Vessel Helmer Hanssen was used to collect data in this study. Photo: Randall Hyman.

09/05/2017

Ocean waters above methane seeps absorb large amounts of CO2

Surface waters above methane seeps in the Arctic Ocean act as CO₂ sinks, new PNAS study shows. This may, surprisingly, mean that methane seeps can have a cooling effect on climate.

Text: Maja Sojtaric

[…] » read more

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Domes of frozen methane may be warning signs for new blow-outs

Text: Maja Sojtaric

Massive craters formed by methane blow-outs from the Arctic sea floor

Text: Maja Sojtaric

Ocean waters above methane seeps absorb large amounts of CO2

Surface waters above methane seeps in the Arctic Ocean act as CO2 sinks, new PNAS study shows. This may, surprisingly, mean that methane seeps can have a cooling effect on climate.

Text: Maja Sojtaric

Surface waters above methane seeps in the Arctic Ocean act as CO₂ sinks, new PNAS study shows. This may, surprisingly, mean that methane seeps can have a cooling effect on climate.