Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 13
Articles | Volume 13, issue 13
https://doi.org/10.5194/bg-13-4049-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-4049-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 13
Research article
 | 
15 Jul 2016
Research article |  | 15 Jul 2016

Contrasting radiation and soil heat fluxes in Arctic shrub and wet sedge tundra

Inge Juszak, Werner Eugster, Monique M. P. D. Heijmans, and Gabriela Schaepman-Strub

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Short summary
Changes in Arctic vegetation composition and structure feed back to climate and permafrost. Using field observations at a Siberian tundra site, we find that dwarf shrubs absorb more solar radiation than wet sedges and thus amplify surface warming, especially during snow melt. On the other hand, permafrost thaw was enhanced below sedges as a consequence of high soil moisture. Standing dead sedge leaves affected the radiation budget strongly and deserve more scientific attention.
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