Articles | Volume 13, issue 13
https://doi.org/10.5194/bg-13-4049-2016
https://doi.org/10.5194/bg-13-4049-2016
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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Cited articles

Ahrends, H. E., Oberbauer, S. F., and Eugster, W.: Small-scale albedo-temperature relationship contrast with large-scale relations in Alaskan acidic tussock tundra, in: Proc. SPIE 8531, Remote Sensing for Agriculture, Ecosystems, and Hydrology XIV, 8531, p. 853113, https://doi.org/10.1117/12.974381, 2012.
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Bartholomeus, H., Schaepman-Strub, G., Blok, D., Sofronov, R., and Udaltsov, S.: Spectral Estimation of Soil Properties in Siberian Tundra Soils and Relations with Plant Species Composition, Appl. Environ. Soil Sci., 2012, 241–535, https://doi.org/10.1155/2012/241535, 2012.
Beringer, J., Lynch, A. H., Chapin III, F. S., Mack, M., and Bonan, G. B.: The Representation of Arctic Soils in the Land Surface Model: The Importance of Mosses, J. Climate, 14, 3324–3335, https://doi.org/10.1175/1520-0442(2001)014<3324:TROASI>2.0.CO;2, 2001.
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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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