Siberian peatlands a net carbon sink and global methane source since the early Holocene.

  title={Siberian peatlands a net carbon sink and global methane source since the early Holocene.},
  author={Laurence C. Smith and Glen MacDonald and Andrei A. Velichko and David W Beilman and Olga K. Borisova and Karen E. Frey and Konstantine V. Kremenetski and Yongwei Sheng},
  volume={303 5656},
Interpolar methane gradient (IPG) data from ice cores suggest the "switching on" of a major Northern Hemisphere methane source in the early Holocene. Extensive data from Russia's West Siberian Lowland show (i) explosive, widespread peatland establishment between 11.5 and 9 thousand years ago, predating comparable development in North America and synchronous with increased atmospheric methane concentrations and IPGs, (ii) larger carbon stocks than previously thought (70.2 Petagrams, up to… CONTINUE READING
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Rapid deglacial and early Holocene expansion of peatlands in Alaska.

Proceedings of the National Academy of Sciences of the United States of America • 2010
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