Articles | Volume 5, issue 4
Research article
03 Nov 2017
Research article |  | 03 Nov 2017

Model predictions of long-lived storage of organic carbon in river deposits

Mark A. Torres, Ajay B. Limaye, Vamsi Ganti, Michael P. Lamb, A. Joshua West, and Woodward W. Fischer

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Cited articles

Aalto, R., Lauer, J. W., and Dietrich, W. E.: Spatial and temporal dynamics of sediment accumulation and exchange along Strickland River floodplains (Papua New Guinea) over decadal-to-centennial timescales, J. Geophys. Res., 113, F01S04,, 2008.
Adams, J. L., Tipping, E., Bryant, C. L., Helliwell, R. C., Toberman, H., and Quinton, J.: Aged riverine particulate organic carbon in four UK catchments, Sci. Total Environ., 536, 648–654,, 2015.
Algeo, T. and Scheckler, S.: Terrestrial-marine teleconnections in the Devonian: links between the evolution of land plants, weathering processes, and marine anoxic events, Philos. T. R. Soc. B, 353, 113–130, 1998.
Alin, S. R., Aalto, R., Goni, M. A., Richey, J. E., and Dietrich, W. E.: Biogeochemical characterization of carbon sources in the Strickland and Fly rivers, Papua New Guinea, J. Geophys. Res.-Earth, 113, 1–21,, 2008.
Berner, R. A.: A rate model for organic matter decomposition during bacterial sulfate reduction in marine sediments, in: Colloq. Int. CNRS, 293, 35–44, 1980.
Short summary
In this paper, we describe a new model for the storage times of sediments and organic carbon (OC) in river deposits. Comparisons between our model predictions and field data show good agreement, which suggests that our model accurately captures the relevant time and space scales. An implication of our model is that OC is stored in river deposits over geologic timescales and, as a result, we propose that fluvial storage plays a larger role in the carbon cycle than previously recognized.