Related topics: gulf of mexico · ocean · ocean floor · earthquake · deep ocean

Why did gas hydrates melt at the end of the last ice age?

Methane hydrates, also known as "burning ice," occur at all ocean margins. The compound of gas and water occurs in the seafloor and it is only stable under relatively high pressures and low temperatures. If the pressure is ...

A close-up look at an uncommon underwater eruption

On July 18, 2012, passengers on an airline flight over the Southwest Pacific Ocean glimpsed something unusual—a raft of floating rock known as pumice that indicated an underwater volcanic eruption had occurred on the seafloor ...

Technologies shine spotlight on climate role of undersea canyons

Unprecedented high-resolution data from undersea canyons off Vancouver Island's west coast is bringing new understanding of the importance of these canyons as rapid-transit corridors for carrying carbon from the ocean surface ...

Radioactivity lingers from 1946-1958 nuclear bomb tests

Scientists have found lingering radioactivity in the lagoons of remote Marshall Island atolls in the Pacific Ocean where the United States conducted 66 nuclear weapons tests in the 1940s and 1950s.

How much carbon can polar seafloor ecosystems store?

One of the best-known impacts of climate change is the loss of sea ice in the Arctic, but also in parts of the Antarctic: the poles are increasingly turning from white to blue. However, in the shallow seas near continental ...

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