Sentences with phrase «tundra systems releases»
Determining the rate of old carbon release from permafrost had been a challenge for researchers, since vegetation that grows in thawed permafrost in forest and tundra systems releases its own modern organic carbon into soils, which readily decomposes and dilutes the «old carbon» signal from thawing permafrost soils.
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Retreating glaciers, thinning Arctic ice, shorter Winters, hotter average night time temperatures, advancing tropical zones, visible sea level rise, more energetic weather systems, extreme cold spells in temperate zones, thawing permafrost, escalating methane releases from artic tundra,,,,,,.