Articles | Volume 13, issue 7
Biogeosciences, 13, 2111–2122, 2016
Biogeosciences, 13, 2111–2122, 2016
Research article
11 Apr 2016
Research article | 11 Apr 2016

An inversion approach for determining distribution of production and temperature sensitivity of soil respiration

Robyn N. C. Latimer and David A. Risk

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Cited articles

Cerling, T. E.: The stable isotopic composition of modern soil carbonate and its relationship to climate, Earth Planet. Sc. Lett., 71, 229–240, 1984.
Davidson, E. A., Belk, E., and Boone, R. D.: Soil water content and temperature as independent or confound factors controlling soil respiration in a temperate mixed hardwood forest, Glob. Change Biol., 4, 217–227, 1998.
Davidson, E. A., Janssens, I. A., and Luo, Y.: On the variability of respiration in terrestrial ecosystems: Moving beyond Q10, Glob. Change Biol., 12, 154–164,, 2006.
Graf, A., Weihermüller, L., Huisman, J. A., Herbst, M., Bauer, J., and Vereecken, H.: Measurement depth effects on the apparent temperature sensitivity of soil respiration in field studies, Biogeosciences, 5, 1175–1188,, 2008.
Hanson, P. J., Edwards, N. T., Garten, C. T., and Andrews, J. A.: Separating root and soil microbial contributions to soil respiration: A review of methods and observations, Biogeochemistry, 48, 115–146, 2000.
Short summary
This study examines an inversion approach for estimating Q10 and depth of production using a physically based soil model, constrained by observed high-frequency surface fluxes and/or five concentrations. Inversions using exclusively surface flux measurements were successful, but using multiple shallow subsurface CO2 measurements yielded the best results. This work is a first step toward building a reliable computing framework for removing physical artefacts from high-frequency soil CO2 data.
Final-revised paper