Sentences with phrase «tundra peat soils»

Not exact matches

New research explores the source of unexpectedly high nitrous oxide emissions from such bare peat soils in Arctic tundra.

Researchers led by Carolina Voigt from the University of Eastern Finland report in the Proceedings of the National Academy of Sciences that they experimented with what they call mesocosms of peaty soils from the Arctic: in a compromise between the microcosm of a laboratory experiment and open field trials on the tundra, the scientists collected 16 columns of peat, some topped with natural vegetation, from Finnish Lapland.

Methane hydrates — methane molecules trapped in frozen water molecule cages in tundra and on continental shelves — and organic matter such as peat locked in frozen soils (permafrost) are likely mechanisms in the past hyperthermals, and they provide another climate feedback with the potential to amplify global warming if large scale thawing occurs [209]--[210].