Benthic δ18O records Earth's energy imbalance

S Shackleton, A Seltzer, D Baggenstos… - Nature Geoscience, 2023 - nature.com
Oxygen isotope ratios (δ18O) of foraminifera in marine sediment records have
fundamentally shaped our understanding of the ice ages and global climate change …

The marine δ18O record overestimates continental ice volume during Marine Isotope Stage 3

AS Dalton, T Pico, EJ Gowan, JJ Clague… - Global and Planetary …, 2022 - Elsevier
There is disagreement in the Quaternary research community in how much of the marine δ
18 O signal is driven by change in ice volume. Here, we examine this topic by bringing …

Individual Foraminiferal Analyses: a Review of Current and Emerging Geochemical Techniques

JS Fehrenbacher, BN Hupp… - Journal of …, 2024 - pubs.geoscienceworld.org
The trace element (TE) and isotopic composition of calcareous foraminifera has been
invaluable in advancing our understanding of environmental change throughout the …

Disentangling environmental and diagenetic δ18O and δ13C signals from marine carbonates deposited under warm climate conditions during the early Danian

MHH Bom, KGD Kochhann, G Krahl… - Palaeogeography …, 2023 - Elsevier
Paleoceanographic reconstructions are usually based on the chemical composition of
foraminiferal tests, and pristine calcite preservation is crucial to support reliable …

Paleoecology of selected Danian marine ostracods, geochemically pre-characterized by analysis of stable carbon (δ13C) and oxygen (δ18O) isotopes

MHH Bom, D Ceolin, KGD Kochhann… - Marine …, 2024 - Elsevier
Abstract The Cerro Azul Section provides a continuous record of the Cretaceous-Paleogene
(K-Pg) transition in a shallow marine context of the South Atlantic Ocean in the Neuquén …

IN SITU STABLE ISOTOPE MEASUREMENTS IN FORAMINIFERAL TESTS BY SIMS

R Kozdon - Journal of Foraminiferal Research, 2024 - pubs.geoscienceworld.org
Fossilized tests of foraminifera are arguably the most important archives of past climate, and
many of the longest paleoclimate records have been compiled by the measurement of the …

Expedition 390/393 methods

RM Coggon, DAH Teagle, JB Sylvan, J Reece… - PRELIMINARY …, 2024 - iris.unito.it
This section provides an overview of operations, depth conventions, core handling,
curatorial procedures, and analyses performed on the R/V JOIDES Resolution during the …

A 600 kyr reconstruction of deep Arctic seawater δ18O from benthic foraminiferal δ18O and ostracode Mg ∕ Ca paleothermometry

JR Farmer, KJ Keller, RK Poirier, GS Dwyer… - Climate of the …, 2023 - cp.copernicus.org
The oxygen isotopic composition of benthic foraminiferal tests (δ 18 O b) is one of the pre-
eminent tools for correlating marine sediments and interpreting past terrestrial ice volume …

High Precision Femtosecond Laser Ablation ICP‐MS Measurement of Benthic Foraminiferal Mn‐Incorporation for Paleoenvironmental Reconstruction: A Case Study …

N Öğretmen, R Schiebel, KP Jochum… - Geochemistry …, 2022 - Wiley Online Library
Abstract Closure of the Central American Seaway (CAS) and hydrology of the Caribbean
Sea triggered Northern Hemisphere Glaciation and played an important role in the Pliocene …

The Effect of Submarine Volcanism on Foraminifera at Axial Seamount of Juan De Fuca Ridge

GM Diaz Santana - 2022 - scholarworks.sjsu.edu
Submarine volcanoes contribute more than 75% of global volcanic eruptions annually and
have the potential to change the surrounding submarine ecosystems. The species richness …