Mechanical weathering and rock erosion by climate‐dependent subcritical cracking

MC Eppes, R Keanini - Reviews of Geophysics, 2017 - Wiley Online Library
This work constructs a fracture mechanics framework for conceptualizing mechanical rock
breakdown and consequent regolith production and erosion on the surface of Earth and …

Bias in sediment chemical weathering intensity evaluation: a numerical simulation study

H Fu, X Jian, H Pan - Earth-Science Reviews, 2023 - Elsevier
Silicate weathering is critical to global carbon cycle and climate change, and has attracted
considerable attention in Earth science studies. Chemical weathering intensity evaluation …

How temperature-dependent silicate weathering acts as Earth's geological thermostat

SL Brantley, A Shaughnessy, MI Lebedeva… - Science, 2023 - science.org
Earth's climate may be stabilized over millennia by solubilization of atmospheric carbon
dioxide (CO2) as minerals weather, but the temperature sensitivity of this thermostat is …

High‐resolution mapping of the global silicate weathering carbon sink and its long‐term changes

C Li, X Bai, Q Tan, G Luo, L Wu, F Chen… - Global Change …, 2022 - Wiley Online Library
Climatic and non‐climatic factors affect the chemical weathering of silicate rocks, which in
turn affects the CO2 concentration in the atmosphere on a long‐term scale. However, the …

The problem of predicting the size distribution of sediment supplied by hillslopes to rivers

LS Sklar, CS Riebe, JA Marshall, J Genetti, S Leclere… - Geomorphology, 2017 - Elsevier
Sediments link hillslopes to river channels. The size of sediments entering channels is a key
control on river morphodynamics across a range of scales, from channel response to human …

Chemical reactions, porosity, and microfracturing in shale during weathering: The effect of erosion rate

X Gu, DM Rempe, WE Dietrich, AJ West, TC Lin… - … et Cosmochimica Acta, 2020 - Elsevier
The rate of chemical weathering has been observed to increase with the rate of physical
erosion in published comparisons of many catchments, but the mechanisms that couple …

Microbial oxidation of lithospheric organic carbon in rapidly eroding tropical mountain soils

JD Hemingway, RG Hilton, N Hovius, TI Eglinton… - Science, 2018 - science.org
Lithospheric organic carbon (“petrogenic”; OCpetro) is oxidized during exhumation and
subsequent erosion of mountain ranges. This process is a considerable source of carbon …

CO2 drawdown from weathering is maximized at moderate erosion rates

A Bufe, JKC Rugenstein, N Hovius - Science, 2024 - science.org
Uplift and erosion modulate the carbon cycle over geologic timescales by exposing minerals
to chemical weathering. However, the erosion sensitivity of mineral weathering remains …

The contribution of mountains to global denudation

IJ Larsen, DR Montgomery, HM Greenberg - Geology, 2014 - pubs.geoscienceworld.org
The hypothesis that mountains influence global climate through links among rock uplift,
physical and chemical denudation, and the carbon cycle remains vigorously debated. We …

[HTML][HTML] Silicate versus carbonate weathering in Iceland: New insights from Ca isotopes

AD Jacobson, MG Andrews, GO Lehn… - Earth and Planetary …, 2015 - Elsevier
Several studies have measured riverine fluxes of Ca and carbonate alkalinity in Iceland with
the aim of quantifying the role of basalt weathering in the long-term carbon cycle. A major …