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Author Topic: Global Warming is WITH US  (Read 29854 times)

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AGelbert

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Re: Global Warming is WITH US
« Reply #1275 on: March 24, 2018, 08:54:22 pm »

Permafrost thaw might be even more potent than we thought


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Climate State

Published on Mar 16, 2018

The trend from frozen tundra soils shifting to thermokarst erosion and thaw ponds, may in the future be exacerbated by increased rainfall and weather events. http://onlinelibrary.wiley.com/doi/10... and http://www.inrs.ca/english/actualites...

NASA map of soil degradation https://earthobservatory.nasa.gov/IOT...

Photo, Tundra Fire, Kaminak Lake Area http://www.prairie.illinois.edu/shilt...

Horn Lake thermokarst
https://www.youtube.com/watch?v=CVKsZ...

Icicle melting by Jeffrey Beach (Beachfront Productions) https://archive.org/details/IcicleMel...

Permafrost warming Svalbard graphic https://twitter.com/Ketil_Isaksen/sta...

Further reading
============

As the climate warms, the carbon balance of arctic ecosystems will respond in two opposing ways:
Plants will grow faster, leading to a carbon sink, while thawing permafrost will lead to decomposition
 and loss of soil carbon.
https://www.amap.no/documents/doc/sno...

The results presented here—that large C losses are possible from the permafrost region, whose magnitude is strongly governed by the dynamics of deeper decomposition, and that large losses are unlikely to be compensated by N fertilization accompanying decomposition—underscore the importance of considering permafrost carbon dynamics in ESMs. Permafrost soils may produce a strong, albeit delayed, C response to global change,
and must therefore be included in assessments of long-term C cycle feedbacks to climate change.
http://www.pnas.org/content/112/12/3752

Methanotroph https://en.wikipedia.org/wiki/Methano...

Heterotroph https://en.wikipedia.org/wiki/Heterot...

Alaska Permafrost https://www.nytimes.com/interactive/2...
Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life. Pr. 13:12

 

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