Articles | Volume 6, issue 1
Earth Surf. Dynam., 6, 217–237, 2018
Earth Surf. Dynam., 6, 217–237, 2018

Research article 21 Mar 2018

Research article | 21 Mar 2018

Colluvial deposits as a possible weathering reservoir in uplifting mountains

Sébastien Carretier et al.

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Cited articles

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Berner, R., Lasaga, A., and Garrels, R.: The carbonate-silicate geochemical cycle and its effect on atmospheric carbon-dioxide over the past 100 million years, Am. J. Sci., 283, 641–683,, 1983. a
von Blanckenburg, F., Bouchez, J., Ibarra, D., and Maher, K.: Stable runoff and weathering fluxes into the oceans over Quaternary climate cycles, Nat. Geosci., 8, 538–U146,, 2015. a
Bluth, G. and Kump, L.: Lithologic and climatologic controls of river chemistry, Geochim. Cosmochim. Ac., 58, 2341–2359,, 1994. a
Short summary
The role of mountain uplift and associated silicate weathering in the global climate over geological times is controversial. Previous soil column models suggest that weathering falls at a high denudation rate. We present the results of a 3-D model that couples erosion and weathering, a CO2 consumer during mountain uplift. Our model suggests that the weathering of temporarily stocked colluvium may contribute significantly to the mountain weathering outflux at high denudation rates.