The Miocene: The future of the past

M Steinthorsdottir, HK Coxall… - Paleoceanography …, 2021 - Wiley Online Library
Abstract The Miocene epoch (23.03–5.33 Ma) was a time interval of global warmth, relative
to today. Continental configurations and mountain topography transitioned toward modern …

The geological record of ocean acidification

B Hönisch, A Ridgwell, DN Schmidt, E Thomas… - science, 2012 - science.org
Ocean acidification may have severe consequences for marine ecosystems; however,
assessing its future impact is difficult because laboratory experiments and field observations …

Future climate forcing potentially without precedent in the last 420 million years

GL Foster, DL Royer, DJ Lunt - Nature communications, 2017 - nature.com
The evolution of Earth's climate on geological timescales is largely driven by variations in
the magnitude of total solar irradiance (TSI) and changes in the greenhouse gas content of …

Carbon isotope compositions of terrestrial C3 plants as indicators of (paleo) ecology and (paleo) climate

MJ Kohn - Proceedings of the National Academy of …, 2010 - National Acad Sciences
A broad compilation of modern carbon isotope compositions in all C3 plant types shows a
monotonic increase in δ 13C with decreasing mean annual precipitation (MAP) that differs …

Expanded geographic distribution and dietary strategies of the earliest Oldowan hominins and Paranthropus

TW Plummer, JS Oliver, EM Finestone, PW Ditchfield… - Science, 2023 - science.org
The oldest Oldowan tool sites, from around 2.6 million years ago, have previously been
confined to Ethiopia's Afar Triangle. We describe sites at Nyayanga, Kenya, dated to 3.032 …

Extracting the most from terrestrial plant-derived n-alkyl lipids and their carbon isotopes from the sedimentary record: A review

AF Diefendorf, EJ Freimuth - Organic Geochemistry, 2017 - Elsevier
Terrestrial plant biomarkers and their carbon isotopes provide insights into carbon cycling,
paleovegetation and paleoclimate, ranging in scale from local to global. Over the past …

[HTML][HTML] Hydrothermally-altered coal from the Daqingshan Coalfield, Inner Mongolia, northern China: Evidence from stable isotopes of C within organic matter and CO …

Q Wang, S Dai, D French, B Spiro, I Graham… - International Journal of …, 2023 - Elsevier
Igneous intrusions can bring hydrothermal fluids, metals, and ligands to the surrounding
host sequences, changing their physical, textural and chemical features to some extent …

The geochemistry of carbonate diagenesis: The past, present and future

PK Swart - Sedimentology, 2015 - Wiley Online Library
Stable carbon and oxygen isotopes (δ18O and δ13C values) and trace elements have been
applied to the study of diagenesis of carbonate rocks for over 50 years. As valuable as these …

[HTML][HTML] The DeepMIP contribution to PMIP4: Methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data …

CJ Hollis, T Dunkley Jones… - Geoscientific Model …, 2019 - gmd.copernicus.org
The early Eocene (56 to 48 million years ago) is inferred to have been the most recent time
that Earth's atmospheric CO 2 concentrations exceeded 1000 ppm. Global mean …

Changes to Carbon Isotopes in Atmospheric CO2 Over the Industrial Era and Into the Future

H Graven, RF Keeling, J Rogelj - Global biogeochemical cycles, 2020 - Wiley Online Library
Abstract In this “Grand Challenges” paper, we review how the carbon isotopic composition of
atmospheric CO2 has changed since the Industrial Revolution due to human activities and …