Deep Pacific storage of respired carbon during the last ice age: Perspectives from bottom water oxygen reconstructions

AW Jacobel, RF Anderson, SL Jaccard… - Quaternary Science …, 2020 - Elsevier
Reconstructions of past changes in dissolved oxygen concentrations in the abyssal ocean
are of interest to paleoceanographers because of their potential to help characterize and …

Enhanced terrigenous organic matter input and productivity on the western margin of the Western Pacific Warm Pool during the Quaternary sea-level lowstands …

Z Xu, S Wan, C Colin, T Li, PD Clift, F Chang… - Quaternary Science …, 2020 - Elsevier
Abstract Changes in terrigenous organic matter (OM) input, productivity and the associated
bottom-water redox conditions, together with forcing mechanisms and global carbon cycle …

230Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean

KM Costa, CT Hayes, RF Anderson… - Paleoceanography …, 2020 - Wiley Online Library
Abstract 230Th normalization is a valuable paleoceanographic tool for reconstructing high‐
resolution sediment fluxes during the late Pleistocene (last~ 500,000 years). As its …

[HTML][HTML] Indian Ocean glacial deoxygenation and respired carbon accumulation during mid-late Quaternary ice ages

L Chang, BAA Hoogakker, D Heslop, X Zhao… - Nature …, 2023 - nature.com
Reconstructions of ocean oxygenation are critical for understanding the role of respired
carbon storage in regulating atmospheric CO2. Independent sediment redox proxies are …

Last glacial atmospheric CO2 decline due to widespread Pacific deep-water expansion

J Yu, L Menviel, ZD Jin, RF Anderson, Z Jian… - Nature …, 2020 - nature.com
Ocean circulation critically affects the global climate and atmospheric carbon dioxide
through redistribution of heat and carbon in the Earth system. Despite intensive research …

The geochemical behavior of metals during early diagenetic alteration of buried manganese nodules

C Heller, T Kuhn, GJM Versteegh… - Deep Sea Research …, 2018 - Elsevier
Marine polymetallic nodules and crusts represent an important resource for numerous
metals such as Ni, Co, Cu, Mn and thus may be subject to deep sea mining operations in the …

Comparing paleo-oxygenation proxies (benthic foraminiferal surface porosity, I/Ca, authigenic uranium) on modern sediments and the glacial Arabian Sea

W Lu, Y Wang, DW Oppo, SG Nielsen… - … et Cosmochimica Acta, 2022 - Elsevier
Oceanic oxygen reconstructions of the last glacial period are needed to understand the
mechanisms of glacial deep ocean carbon storage and to validate climate model …

[HTML][HTML] Marine sedimentary uranium to barium ratios as a potential quantitative proxy for Pleistocene bottom water oxygen concentrations

KM Costa, SG Nielsen, Y Wang, W Lu… - … et Cosmochimica Acta, 2023 - Elsevier
Oxygen is essential for marine ecosystems, and it is linked by respiration to carbon storage
in the deep ocean. Reconstructing oxygen concentrations in the past has been limited by the …

Trace element (Mn, Zn, Ni, V) and authigenic uranium (aU) geochemistry reveal sedimentary redox history on the Juan de Fuca Ridge, North Pacific Ocean

KM Costa, RF Anderson, JF McManus… - … et Cosmochimica Acta, 2018 - Elsevier
Abstract Changes in meridional overturning circulation and water mass chemistry can be
recorded by oxygen concentrations in the deep ocean. Because the deep Pacific is the …

I/Ca in epifaunal benthic foraminifera: A semi-quantitative proxy for bottom water oxygen in a multi-proxy compilation for glacial ocean deoxygenation

W Lu, REM Rickaby, BAA Hoogakker… - Earth and Planetary …, 2020 - Elsevier
The decline in dissolved oxygen in global oceans (ocean deoxygenation) is a potential
consequence of global warming which may have important impacts on ocean …