Articles | Volume 21, issue 16
https://doi.org/10.5194/bg-21-3789-2024
https://doi.org/10.5194/bg-21-3789-2024
Research article
 | 
26 Aug 2024
Research article |  | 26 Aug 2024

Implications of climate and litter quality for simulations of litterbag decomposition at high latitudes

Elin Ristorp Aas, Inge Althuizen, Hui Tang, Sonya Geange, Eva Lieungh, Vigdis Vandvik, and Terje Koren Berntsen

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Cited articles

Aas, E. R.: Code and data for “Implications of climate and litter quality for simulations of litterbag decomposition at high latitudes” revised version, Zenodo [data set], https://doi.org/10.5281/zenodo.12599189, 2024. a
Aas, E. R., de Wit, H. A., and K. Berntsen, T.: Modeling boreal forest soil dynamics with the microbially explicit soil model MIMICS+ (v1.0), Geosci. Model Dev., 17, 2929–2959, https://doi.org/10.5194/gmd-17-2929-2024, 2024. a, b, c, d, e
Aas, K. S., Gisnås, K., Westermann, S., and Berntsen, T. K.: A Tiling Approach to Represent Subgrid Snow Variability in Coupled Land Surface–Atmosphere Models, J. Hydrometeorol., 18, 49 – 63, https://doi.org/10.1175/JHM-D-16-0026.1, 2017. a
Adair, E. C., Parton, W. J., Del Grosso, S. J., Silver, W. L., Harmon, M. E., Hall, S. A., Burke, I. C., and Hart, S. C.: Simple three-pool model accurately describes patterns of long-term litter decomposition in diverse climates, Glob. Change Biol., 14, 2636–2660, https://doi.org/10.1111/j.1365-2486.2008.01674.x, 2008. a
Aerts, R.: Climate , Leaf Litter Chemistry and Leaf Litter Decomposition in Terrestrial Ecosystems: A Triangular Relationship, Oikos, 79, 439–449, https://doi.org/10.2307/3546886, 1997. a
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Short summary
We used a soil model to replicate two litterbag decomposition experiments to examine the implications of climate, litter quality, and soil microclimate representation. We found that macroclimate was more important than litter quality for modeled mass loss. By comparing different representations of soil temperature and moisture we found that using observed data did not improve model results. We discuss causes for this and suggest possible improvements to both the model and experimental design.
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