Biogeosciences
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Articles | Volume 16, issue 21
Articles | Volume 16, issue 21
https://doi.org/10.5194/bg-16-4261-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-16-4261-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 21
Research article
 | 
11 Nov 2019
Research article |  | 11 Nov 2019

Stable isotope signatures of Holocene syngenetic permafrost trace seabird presence in the Thule District (NW Greenland)

Sebastian Wetterich, Thomas A. Davidson, Anatoly Bobrov, Thomas Opel, Torben Windirsch, Kasper L. Johansen, Ivan González-Bergonzoni, Anders Mosbech, and Erik Jeppesen

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Short summary
The effects of seabird presence on permafrost peat evolution in NW Greenland were studied by tracing changes in stable C and N isotope composition along the path from bird sources into permafrost peat. The permafrost growth was triggered by organic matter and nutrient input since the neoglacial cooling and concurrent polynya establishment. The study deals with the complex response of biologic and permafrost dynamics to High Arctic climatic and oceanographic conditions of the Late Holocene.
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