[HTML][HTML] What the geological past can tell us about the future of the ocean's twilight zone

KA Crichton, JD Wilson, A Ridgwell… - Nature …, 2023 - nature.com
Paleontological reconstructions of plankton community structure during warm periods of the
Cenozoic (last 66 million years) reveal that deep-dwelling 'twilight zone'(200–1000 m) …

[HTML][HTML] Water column barium sulfate dissolution and shielding by organic matter aggregates: Implications for the pelagic barite proxy

T Light, M Garcia, JC Prairie, F Martínez-Ruiz, R Norris - Chemical Geology, 2023 - Elsevier
Pelagic barite (BaSO 4) and related proxies are useful tools for reconstructing the marine
carbon cycle. The factors controlling pelagic barite dissolution in the ocean water column …

[HTML][HTML] Precessional pacing of tropical ocean carbon export during the Late Cretaceous

JE Kim, T Westerhold, L Alegret, AJ Drury… - Climate of the …, 2022 - cp.copernicus.org
The marine biological carbon pump, which exports organic carbon out of the surface ocean,
plays an essential role in sequestering carbon from the atmosphere, thus impacting climate …

Planktic foraminiferal resilience to environmental change associated with the PETM

R Barrett, M Adebowale, H Birch… - Paleoceanography …, 2023 - Wiley Online Library
Carbonate‐forming organisms play an integral role in the marine inorganic carbon cycle, yet
the links between carbonate production and the environment are insufficiently understood …

[HTML][HTML] The early Danian event (Dan-C2) and the latest Danian event (LDE): a case study from Gebel Kilabiya, Egypt

OH Orabi, H Ismail, S Taha - Journal of Umm Al-Qura University for Applied …, 2024 - Springer
Abstract At the Gebel Kilabiya area, studies on foraminifera and isotopes were conducted
during the Paleocene. The data revealed that the lowest part of the P2 Zone and the oldest …

[HTML][HTML] Deep-sea living (stained) benthic foraminifera from the continental slope and São Paulo Plateau, Santos Basin (SW Atlantic): ecological insights

BD Araújo, C Yamashita, ACA Santarosa… - Ocean and Coastal …, 2023 - SciELO Brasil
This study aimed to characterize the spatial distribution and composition of living Benthic
Foraminifera (BF) and to comprehend how environmental conditions (eg, organic matter) …

A Depth‐Transect of Ocean Deoxygenation During the Paleocene‐Eocene Thermal Maximum: Magnetofossils in Sediment Cores From the Southeast Atlantic

P Xue, L Chang, GR Dickens… - Journal of Geophysical …, 2022 - Wiley Online Library
Abstract The Paleocene‐Eocene Thermal Maximum (PETM,∼ 56 Ma) presents a past
analog for future global warming. Previous studies provided evidence for major loss of …

Some like it cool: Benthic foraminiferal response to Paleogene warming events

GJ Arreguín-Rodríguez, E Thomas, L Alegret - Palaeogeography …, 2022 - Elsevier
Long-term climatic trends of the Paleogene were interrupted by global perturbations of the
carbon cycle, commonly associated with warming of surface and bottom waters and …

What the geological past can tell us about the future of the oceans twilight zone.

F Boscolo-Galazzo, E John, B Wade… - Nature …, 2023 - escholarship.org
Paleontological reconstructions of plankton community structure during warm periods of the
Cenozoic (last 66 million years) reveal that deep-dwelling twilight zone (200-1000 m) …

[HTML][HTML] Marine barite morphology as an indicator of biogeochemical conditions within organic matter aggregates

T Light, F Martínez-Ruiz, R Norris - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Marine barite is commonly used as a proxy to reconstruct past ocean productivity. Its
distribution in the water column mirrors organic carbon fluxes since it precipitates within …