Articles | Volume 15, issue 2
https://doi.org/10.5194/bg-15-669-2018
https://doi.org/10.5194/bg-15-669-2018
Research article
 | 
01 Feb 2018
Research article |  | 01 Feb 2018

Hydro-ecological controls on dissolved carbon dynamics in groundwater and export to streams in a temperate pine forest

Loris Deirmendjian, Denis Loustau, Laurent Augusto, Sébastien Lafont, Christophe Chipeaux, Dominique Poirier, and Gwenaël Abril

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Cited articles

Abril, G., Bouillon, S., Darchambeau, F., Teodoru, C. R., Marwick, T. R., Tamooh, F., Ochieng Omengo, F., Geeraert, N., Deirmendjian, L., Polsenaere, P., and Borges, A. V.: Technical Note: Large overestimation of pCO2 calculated from pH and alkalinity in acidic, organic-rich freshwaters, Biogeosciences, 12, 67–78, https://doi.org/10.5194/bg-12-67-2015, 2015.
Achat, D. L., Bakker, M. R., and Trichet, P.: Rooting patterns and fine root biomass of Pinus pinaster assessed by trench wall and core methods, J. Forest Res., 13, 165–175, 2008.
Achat, D. L., Augusto, L., Morel, C., and Bakker, M. R.: Predicting available phosphate ions from physical–chemical soil properties in acidic sandy soils under pine forests, J. Soil. Sediment, 11, 452–466, 2011.
Ahuja, L. R., Ma, L., and Green, T. R.: Effective soil properties of heterogeneous areas for modeling infiltration and redistribution, Soil Sci. Soc. Am. J., 74, 1469–1482, 2010.
Alin, S. R., de Fátima F. L. Rasera, M., Salimon, C. I., Richey, J. E., Holtgrieve, G. W., Krusche, A. V., and Snidvongs, A.: Physical controls on carbon dioxide transfer velocity and flux in low-gradient river systems and implications for regional carbon budgets, J. Geophys. Res.-Biogeo., 116, G01009, https://doi.org/10.1029/2010JG001398, 2011.
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Short summary
Carbon leaching to streams represents a very small (~ 2 %) fraction of forest net ecosystem exchange (NEE). Such weak export of carbon from forest ecosystems, at least in temperate regions, is at odds with recent studies that attempt to integrate the contribution of inland waters in the continent carbon budget. Understanding why local and global carbon mass balances strongly diverge on the proportion of land NEE exported to aquatic systems is a major challenge for research in this field.
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