Silicate rock weathering and atmospheric/soil CO2 uptake in the Amazon basin estimated from river water geochemistry: seasonal and spatial variations [PDF]
, 2003 Using the data of the CAMREX project (1982–1984) on the water geochemistry of the Amazon river and its main tributaries, it was possible to assess the silicate rock weathering processes and the associated consumption of atmospheric/soil CO2, taking into
Probst, Jean-Luc, Mortatti, Jefferson
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Influence of chemical denudation on hillslope morphology [PDF]
, 2004 [1] Models of hillslope evolution involving diffusion-like sediment transport are conventionally presented as an equation in which the changes in land-surface elevation or soil thickness are balanced by the divergence of soil transport and tectonic ...
Furbish, D. J. +3 more
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Solid Earth Sciences, 2020 This work reports the mineralogical and geochemical characterization of the Moloundou swamp sediments in order to deduce their tectonic setting, source rock composition, weathering conditions and maturity.
Armel Zacharie Ekoa Bessa +7 more
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Strontium as a tracer of weathering processes in a silicate catchment polluted by acid atmospheric inputs, Strengbach, France [PDF]
, 2000 This paper determines the weathering and atmospheric contributions of Ca in surface water from a small spruce forested silicate catchment (N–E France) receiving acid atmospheric inputs.
Aubert, Dominique +9 more
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Chemical weathering in hardened volcanic horizons (tepetates) of the State of Mexico
Revista Mexicana de Ciencias Geológicas, 2022 Weathering is one of the most important phenomena that affect the balance dynamics of the Earth's crust. The chemical composition of soil samples and hardened horizons from seven profiles (P1 to P7) of the State of Mexico was compared to detect the ...
Otilio A. Acevedo-Sandoval +4 more
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Worldwide distribution of continental rock lithology: Implications for the atmospheric/soil CO2 uptake by continental weathering and alkalinity river transport to the oceans [PDF]
, 2003 The silicate rock weathering followed by the formation of carbonate rocks in the ocean, transfers CO2 from the atmosphere to the lithosphere. This CO2 uptake plays a major role in the regulation of atmospheric CO2 concentrations at the geologic ...
Probst, Jean-Luc +2 more
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Reservoir theory for studying the geochemical evolution of soils [PDF]
, 2010 Linking mineral weathering rates measured in the laboratory to those measured at the landscape scale is problematic. In laboratory studies, collections of minerals are exposed to the same weathering environment over a fixed amount of time.
Kyungsoo Yoo +3 more
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Modelling weathering processes at the catchment scale: The WITCH numerical model [PDF]
, 2006 A numerical model of chemical weathering in soil horizons and underlying bedrock (WITCH) has been coupled to a numerical model of water and carbon cycles in forest ecosystems (ASPECTS) to simulate the concentration of major species within the soil ...
Godderis, Y. +12 more
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Impact of nitrogenous fertilizers on carbonate dissolution in small agricultural catchments: Implications for weathering CO2 uptake at regional and global scales [PDF]
, 2008 The goal of this study was to highlight the occurrence of an additional proton-promoted weathering pathway of carbonate rocks in agricultural areas where N-fertilizers are extensively spread, and to estimate its consequences on riverine alkalinity and ...
Probst, Jean-Luc +2 more
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Frontiers in Water, 2021 Despite the absence of tectonic activity, cratonic environments are characterized by strongly variable, and in places significant, rock weathering rates. This is shown here through an exploration of the weathering rates in two inter-tropical river basins
Jean-Sébastien Moquet +13 more
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