Hydrological control of river and seawater lithium isotopes
Seawater lithium isotopes (δ7Li) record changes over Earth history, including a∼ 9‰
increase during the Cenozoic interpreted as reflecting either a change in continental silicate …
increase during the Cenozoic interpreted as reflecting either a change in continental silicate …
Effects of carbonate minerals and exogenous acids on carbon flux from the chemical weathering of granite and basalt
The chemical weathering of silicate rocks can yield bicarbonate which is transported via
rivers to the ocean, followed by the deposition of carbonate, acting as a carbon sink on long …
rivers to the ocean, followed by the deposition of carbonate, acting as a carbon sink on long …
[HTML][HTML] A global reassessment of the controls on iron speciation in modern sediments and sedimentary rocks: A dominant role for diagenesis
The speciation of iron in sediments and sedimentary rocks is a widely used proxy for the
chemistry and oxidation state of ancient water bodies. Specifically, the fraction of reactive …
chemistry and oxidation state of ancient water bodies. Specifically, the fraction of reactive …
CO2 drawdown from weathering is maximized at moderate erosion rates
Uplift and erosion modulate the carbon cycle over geologic timescales by exposing minerals
to chemical weathering. However, the erosion sensitivity of mineral weathering remains …
to chemical weathering. However, the erosion sensitivity of mineral weathering remains …
Stable Isotopes and Bayesian Tracer Mixing Model Reveal Chemical Weathering and CO2 Release in the Jiulongjiang River Basin, Southeast China
Links between erosion, chemical weathering, and atmospheric CO2 can modulate the
global climate over geologic times, but the role of chemical weathering on Earth's long‐term …
global climate over geologic times, but the role of chemical weathering on Earth's long‐term …
Significant influence of water diversion and anthropogenic input on riverine sulfate based on sulfur and oxygen isotopes
D Zhang, T Xue, J **ao, N Chai, S Gong - Journal of Hazardous Materials, 2024 - Elsevier
The transportation of dissolved sulfate (SO 4 2-) to the ocean via river systems plays a
critical role in the global sulfur cycle. However, the increasing anthropogenic input has made …
critical role in the global sulfur cycle. However, the increasing anthropogenic input has made …
Partitioning riverine sulfate sources using oxygen and sulfur isotopes: Implications for carbon budgets of large rivers
The weathering of carbonate rocks with sulfuric acid releases carbon dioxide (CO 2) to the
atmosphere, offsetting the CO 2 drawdown from carbonic acid weathering of silicates …
atmosphere, offsetting the CO 2 drawdown from carbonic acid weathering of silicates …
An unshakable carbon budget for the Himalaya
The erosion and weathering of mountain ranges exert a key control on the long-term (105–
106 yr) cycling of carbon between Earth's surface and crust. The net carbon budget of a …
106 yr) cycling of carbon between Earth's surface and crust. The net carbon budget of a …
Terrestrial pyrite oxidation point to carbon cycle: Insights from sulfur and oxygen isotope composition in rivers
H Hu, C Zhao, S Xu, R Wei, Q Wei, Q Tan, Q Guo - Journal of Hydrology, 2024 - Elsevier
Pyrite oxidation coupled with carbonate weathering can be a source of carbon dioxide (CO
2) to the atmosphere over geological timescales. However, this source of CO 2 is an …
2) to the atmosphere over geological timescales. However, this source of CO 2 is an …
Chemical weathering in glacial catchment acting as a net carbon source
Y Cao, M Wang, F Zhang, Y Hu, L Yang, Y Wang… - Science of the Total …, 2023 - Elsevier
Over geological time scales, continental silicate weathering is considered as a critical
carbon sink that regulates long-term climate feedback. By contrast, recent studies indicate …
carbon sink that regulates long-term climate feedback. By contrast, recent studies indicate …