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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 16
Biogeosciences, 12, 5143–5160, 2015
https://doi.org/10.5194/bg-12-5143-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 12, 5143–5160, 2015
https://doi.org/10.5194/bg-12-5143-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 31 Aug 2015

Research article | 31 Aug 2015

Environmental forcing does not induce diel or synoptic variation in the carbon isotope content of forest soil respiration

D. R. Bowling et al.
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ED: Publish subject to minor revisions (Editor review) (31 Jul 2015) by Jens-Arne Subke
AR by Anna Wenzel on behalf of the Authors (10 Aug 2015)  Author's response    Manuscript
ED: Publish as is (14 Aug 2015) by Jens-Arne Subke
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Short summary
Soil respiration and its stable isotopes were studied in a subalpine forest. There was strong diel variability in soil efflux but not in the isotope content of soil efflux or CO2 from biological activity in the soil. Following rain, soil efflux increased, but the isotope content of these fluxes did not change. Temporal variation in the isotope content of soil efflux was unrelated to environmental variables. Results confirmed established theory regarding diffusive soil gas transport.
Soil respiration and its stable isotopes were studied in a subalpine forest. There was strong...
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