The biogeochemical sulfur cycle of marine sediments
Microbial dissimilatory sulfate reduction to sulfide is a predominant terminal pathway of
organic matter mineralization in the anoxic seabed. Chemical or microbial oxidation of the …
organic matter mineralization in the anoxic seabed. Chemical or microbial oxidation of the …
The global turbidity current pump and its implications for organic carbon cycling
PJ Talling, S Hage, ML Baker, TS Bianchi… - Annual Review of …, 2024 - annualreviews.org
Submarine turbidity currents form the largest sediment accumulations on Earth, raising the
question of their role in global carbon cycles. It was previously inferred that terrestrial …
question of their role in global carbon cycles. It was previously inferred that terrestrial …
Mid-Pleistocene transition in glacial cycles explained by declining CO2 and regolith removal
M Willeit, A Ganopolski, R Calov, V Brovkin - Science Advances, 2019 - science.org
Variations in Earth's orbit pace the glacial-interglacial cycles of the Quaternary, but the
mechanisms that transform regional and seasonal variations in solar insolation into glacial …
mechanisms that transform regional and seasonal variations in solar insolation into glacial …
Neogene burial of organic carbon in the global ocean
Organic carbon buried in marine sediment serves as a net sink for atmospheric carbon
dioxide and a source of oxygen,. The rate of organic carbon burial through geologic history …
dioxide and a source of oxygen,. The rate of organic carbon burial through geologic history …
A unified theory for organic matter accumulation
Organic matter constitutes a key reservoir in global elemental cycles. However, our
understanding of the dynamics of organic matter and its accumulation remains incomplete …
understanding of the dynamics of organic matter and its accumulation remains incomplete …
Glacial weathering, sulfide oxidation, and global carbon cycle feedbacks
Connections between glaciation, chemical weathering, and the global carbon cycle could
steer the evolution of global climate over geologic time, but even the directionality of …
steer the evolution of global climate over geologic time, but even the directionality of …
Abrupt global-ocean anoxia during the Late Ordovician–early Silurian detected using uranium isotopes of marine carbonates
R Bartlett, M Elrick, JR Wheeley… - Proceedings of the …, 2018 - National Acad Sciences
Widespread marine anoxia is hypothesized as the trigger for the second pulse of the Late
Ordovician (Hirnantian) mass extinction based on lithologic and geochemical proxies that …
Ordovician (Hirnantian) mass extinction based on lithologic and geochemical proxies that …
Global ocean sediment composition and burial flux in the deep sea
Quantitative knowledge about the burial of sedimentary components at the seafloor has
wide‐ranging implications in ocean science, from global climate to continental weathering …
wide‐ranging implications in ocean science, from global climate to continental weathering …
Transfer efficiency of organic carbon in marine sediments
Quantifying the organic carbon (OC) sink in marine sediments is crucial for assessing how
the marine carbon cycle regulates Earth's climate. However, burial efficiency (BE)–the …
the marine carbon cycle regulates Earth's climate. However, burial efficiency (BE)–the …
Cycling and persistence of iron-bound organic carbon in subseafloor sediments
Reactive iron (FeR) serves as an important sink of organic carbon (OC) in marine surface
sediments, which preserves approximately 20% of total OC (TOC) as reactive iron-bound …
sediments, which preserves approximately 20% of total OC (TOC) as reactive iron-bound …