Causes of ice age intensification across the Mid-Pleistocene Transition
During the Mid-Pleistocene Transition (MPT; 1,200–800 kya), Earth's orbitally paced ice age
cycles intensified, lengthened from∼ 40,000 (∼ 40 ky) to∼ 100 ky, and became distinctly …
cycles intensified, lengthened from∼ 40,000 (∼ 40 ky) to∼ 100 ky, and became distinctly …
[HTML][HTML] Atmospheric CO2 during the Mid-Piacenzian Warm Period and the M2 glaciation
The Piacenzian stage of the Pliocene (2.6 to 3.6 Ma) is the most recent past interval of
sustained global warmth with mean global temperatures markedly higher (by~ 2–3 C) than …
sustained global warmth with mean global temperatures markedly higher (by~ 2–3 C) than …
Alkenone and boron-based Pliocene pCO2 records
The Pliocene period is the most recent time when the Earth was globally significantly (∼ 3°
C) warmer than today. However, the existing pCO2 data for the Pliocene are sparse and …
C) warmer than today. However, the existing pCO2 data for the Pliocene are sparse and …
Tropical ocean temperatures over the past 3.5 million years
TD Herbert, LC Peterson, KT Lawrence, Z Liu - science, 2010 - science.org
Determining the timing and amplitude of tropical sea surface temperature (SST) change is
an important part of solving the puzzle of the Plio-Pleistocene ice ages. Alkenone-based …
an important part of solving the puzzle of the Plio-Pleistocene ice ages. Alkenone-based …
Seawater pH, pCO2 and [CO2− 3] variations in the Caribbean Sea over the last 130 kyr: A boron isotope and B/Ca study of planktic foraminifera
GL Foster - Earth and Planetary Science Letters, 2008 - Elsevier
Here a new analytical methodology is described for measuring the isotopic composition of
boron in foraminifera using multicollector inductively coupled plasma mass spectrometry …
boron in foraminifera using multicollector inductively coupled plasma mass spectrometry …
Boron Isotopes in Foraminifera: Systematics, Biomineralisation, and CO2 Reconstruction
JWB Rae - Boron isotopes: The fifth element, 2018 - Springer
The boron isotope composition of foraminifera provides a powerful tracer for CO 2 change
over geological time. This proxy is based on the equilibrium of boron and its isotopes in …
over geological time. This proxy is based on the equilibrium of boron and its isotopes in …
Wet phases in the Sahara/Sahel region and human migration patterns in North Africa
The carbon isotopic composition of individual plant leaf waxes (a proxy for C3 vs. C4
vegetation) in a marine sediment core collected from beneath the plume of Sahara-derived …
vegetation) in a marine sediment core collected from beneath the plume of Sahara-derived …
[HTML][HTML] Molecular paleothermometry of the early Toarcian climate perturbation
W Ruebsam, M Reolid, N Sabatino, D Masetti… - Global and Planetary …, 2020 - Elsevier
In this paper, we use molecular paleothermometry, based on the TEX 86 proxy derived from
fossilized archaeal lipids, to reconstruct absolute sea surface temperatures (SSTs) for the …
fossilized archaeal lipids, to reconstruct absolute sea surface temperatures (SSTs) for the …
Long-term variability of the western tropical Atlantic sea surface temperature driven by greenhouse gases and AMOC
RA Nascimento, HJH Johnstone, H Kuhnert… - Quaternary Science …, 2023 - Elsevier
The long-term orbital-scale sea surface temperature (SST) variability in the tropics is thought
to be mainly driven by greenhouse gases (GHG) forcing. However, few studies have …
to be mainly driven by greenhouse gases (GHG) forcing. However, few studies have …
Controls on shell Mg/Ca and Sr/Ca in cultured planktonic foraminiferan, Globigerinoides ruber (white)
B Kısakürek, A Eisenhauer, F Böhm… - Earth and Planetary …, 2008 - Elsevier
Mg/Ca and Sr/Ca ratios were determined on a single species of planktonic foraminiferan,
Globigerinoides ruber (white), collected from the Gulf of Eilat and cultured in seawater at five …
Globigerinoides ruber (white), collected from the Gulf of Eilat and cultured in seawater at five …