Reconstructing ocean pH with boron isotopes in foraminifera

GL Foster, JWB Rae - Annual Review of Earth and Planetary …, 2016 - annualreviews.org
In order to better understand the effect of CO2 on the Earth system in the future, geologists
may look to CO2-induced environmental change in Earth's past. Here we describe how CO2 …

Toward a Cenozoic history of atmospheric CO2

Cenozoic CO2 Proxy Integration Project (CenCO2PIP) … - Science, 2023 - science.org
The geological record encodes the relationship between climate and atmospheric carbon
dioxide (CO2) over long and short timescales, as well as potential drivers of evolutionary …

A review on the determination of isotope ratios of boron with mass spectrometry

SK Aggarwal, CF You - Mass Spectrometry Reviews, 2017 - Wiley Online Library
The present review discusses different mass spectrometric techniques—viz, thermal
ionization mass spectrometry (TIMS), inductively coupled plasma mass spectrometry …

Ocean carbon storage across the middle Miocene: A new interpretation for the Monterey Event

SM Sosdian, TL Babila, R Greenop, GL Foster… - Nature …, 2020 - nature.com
Abstract The Miocene Climatic Optimum (MCO, 14–17 Ma) was~ 3–4° C warmer than
present, similar to estimates for 2100. Coincident with the MCO is the Monterey positive …

Trace element proxies for surface ocean conditions: A synthesis of culture calibrations with planktic foraminifera

KA Allen, B Hönisch, SM Eggins, LL Haynes… - … et Cosmochimica Acta, 2016 - Elsevier
The trace element composition of planktic foraminiferal calcite provides a useful means of
determining past surface ocean conditions. We have assembled the results of culture …

The effects of temperature, salinity, and the carbonate system on Mg/Ca in Globigerinoides ruber (white): A global sediment trap calibration

WR Gray, S Weldeab, DW Lea, Y Rosenthal… - Earth and Planetary …, 2018 - Elsevier
Abstract The Mg/Ca of planktic foraminifera Globigerinoides ruber (white) is a widely applied
proxy for tropical and sub-tropical sea-surface temperature. The accuracy with which …

[HTML][HTML] Assessing the impact of diagenesis on δ11B, δ13C, δ18O, Sr/Ca and B/Ca values in fossil planktic foraminiferal calcite

KM Edgar, E Anagnostou, PN Pearson… - … et Cosmochimica Acta, 2015 - Elsevier
The geochemical composition of foraminiferal tests is a valuable archive for the
reconstruction of paleo-climatic,-oceanographic and-ecological changes. However …

Factors affecting B/Ca ratios in synthetic aragonite

M Holcomb, TM DeCarlo, GA Gaetani, M McCulloch - Chemical Geology, 2016 - Elsevier
Measurements of B/Ca ratios in marine carbonates have been suggested to record seawater
carbonate chemistry, however experimental calibration of such proxies based on inorganic …

The magnitude of surface ocean acidification and carbon release during Eocene Thermal Maximum 2 (ETM‐2) and the Paleocene‐Eocene Thermal Maximum (PETM)

DT Harper, B Hönisch, RE Zeebe… - Paleoceanography …, 2020 - Wiley Online Library
Abstract Eocene Thermal Maximum 2 (ETM‐2; 54.1 Ma) was the second largest Eocene
hyperthermal. Like the Paleocene‐Eocene Thermal Maximum (PETM), ETM‐2 was …

A new boron isotope-pH calibration for Orbulina universa, with implications for understanding and accounting for 'vital effects'

MJ Henehan, GL Foster, HC Bostock… - Earth and Planetary …, 2016 - Elsevier
Boron isotope ratios, as measured in planktic foraminifera, can be a useful tracer of past
ocean pH, and hence help to discern the concentration of CO 2 in the ancient atmosphere …