Sentences with phrase «together by permafrost»

The terminal moraines that dam these lakes tend to be stable so long as they are held together by permafrost, but of course, the permafrost is also melting.

Not exact matches

He illustrates the idea with a telling, if somewhat impractical example: «The permafrost, which has more carbon than all the rainforests put together, is at risk just by simple thawing, and a large herbivore like a mammoth could maintain it for another few decades against global warming,» Church says.

At lower latitudes, permafrost is the glue that holds the world's highest mountains together by keeping rocks and soil frozen in place.

Why it matters: At high pressures and low temperatures, like those found in permafrost or on the ocean's floor, water molecules organize into complex hydrate lattices that are held together by hydrogen bonds.

At lower latitudes, permafrost is the glue that holds the world's highest mountains together by keeping rocks and soil frozen in place.

So, enjoined by a recent reCatcha to «ask mitely,» I will try at least one more time to ask if dashed line on graph # 3 in the recent Nature Geoscience article (by MacDougall, Avis and Weaver) on permafrost melt — taken together with the known fact that there are other carbon (and other) positive feedbacks — mean that, even if we stop all anthropogenic CO2 emissions next year, atmospheric CO2 levels will continue to rise indefinitely?