Climate change has enhanced the positive contribution of rock weathering to the major ions in riverine transport
S Gong, X Bai, G Luo, C Li, L Wu, F Chen, C Ran… - Global and Planetary …, 2023 - Elsevier
Most of the ions in rivers come from the migration of weathering products of continental
rocks. However, there is no clear understanding of the dynamic changes in ions derived …
rocks. However, there is no clear understanding of the dynamic changes in ions derived …
[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 …
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 …
Erosional modulation of the balance between alkalinity and acid generation from rock weathering
The balance between alkalinity generation by carbonate and silicate weathering and sulfuric
acid generation by sulfide weathering controls the effect of weathering on atmospheric pCO …
acid generation by sulfide weathering controls the effect of weathering on atmospheric pCO …
[PDF][PDF] Presentation and applications of mixing elements and dissolved isotopes in rivers (MEANDIR), a customizable MATLAB model for Monte Carlo inversion of …
The dissolved chemistry of rivers has been extensively studied to elucidate physical and
climatic controls of chemical weathering at local to global spatial scales, as well as the …
climatic controls of chemical weathering at local to global spatial scales, as well as the …
Arctic permafrost thawing enhances sulfide oxidation
Permafrost degradation is altering biogeochemical processes throughout the Arctic. Thaw‐
induced changes in organic matter transformations and mineral weathering reactions are …
induced changes in organic matter transformations and mineral weathering reactions are …
[HTML][HTML] Catchment-scale microbial sulfate reduction (MSR) of acid mine drainage (AMD) revealed by sulfur isotopes
Laboratory experiments and point observations, for instance in wetlands, have shown
evidence that microbial sulfate reduction (MSR) can lower sulfate and toxic metal …
evidence that microbial sulfate reduction (MSR) can lower sulfate and toxic metal …
Evaluating the multiple sulfur isotope signature of Eoarchean rocks from the Isua Supracrustal Belt (Southwest‐Greenland) by MC‐ICP‐MS: Volcanic nutrient sources …
Abstract On the anoxic Archean Earth, prior to the onset of oxidative weathering, electron
acceptors were relatively scarce, perhaps limiting microbial productivity. An important …
acceptors were relatively scarce, perhaps limiting microbial productivity. An important …
[HTML][HTML] Wide-spread microbial sulfate reduction (MSR) in northern European freshwater systems: Drivers, magnitudes and seasonality
Microbial sulfate reduction (MSR), which transforms sulfate into sulfide through the
consumption of organic matter, is an integral part of sulfur and carbon cycling. Yet, the …
consumption of organic matter, is an integral part of sulfur and carbon cycling. Yet, the …
The hydrochemical signature of incongruent weathering in Iceland
Basaltic watersheds such as those found in Iceland are thought to be important sites of CO2
sequestration via silicate weathering. However, determining the magnitude of CO2 uptake …
sequestration via silicate weathering. However, determining the magnitude of CO2 uptake …