Radiocarbon: a key tracer for studying Earth's dynamo, climate system, carbon cycle, and Sun

TJ Heaton, E Bard, C Bronk Ramsey, M Butzin… - Science, 2021 - science.org
BACKGROUND Radiocarbon (14C) has long been recognized as providing an essential
dating method covering the past 55,000 years. However, the further role of 14C as a …

Timing and structure of the Younger Dryas event and its underlying climate dynamics

H Cheng, H Zhang, C Spötl, J Baker… - Proceedings of the …, 2020 - National Acad Sciences
The Younger Dryas (YD), arguably the most widely studied millennial-scale extreme climate
event, was characterized by diverse hydroclimate shifts globally and severe cooling at high …

The IntCal20 Northern Hemisphere radiocarbon age calibration curve (0–55 cal kBP)

PJ Reimer, WEN Austin, E Bard, A Bayliss… - …, 2020 - cambridge.org
Radiocarbon (14C) ages cannot provide absolutely dated chronologies for archaeological
or paleoenvironmental studies directly but must be converted to calendar age equivalents …

Precise date for the Laacher See eruption synchronizes the Younger Dryas

F Reinig, L Wacker, O Jöris, C Oppenheimer… - Nature, 2021 - nature.com
Abstract The Laacher See eruption (LSE) in Germany ranks among Europe's largest
volcanic events of the Upper Pleistocene,. Although tephra deposits of the LSE represent an …

Antarctic surface temperature and elevation during the Last Glacial Maximum

C Buizert, TJ Fudge, WHG Roberts, EJ Steig… - Science, 2021 - science.org
Water-stable isotopes in polar ice cores are a widely used temperature proxy in
paleoclimate reconstruction, yet calibration remains challenging in East Antarctica. Here, we …

Volcanic stratospheric sulfur injections and aerosol optical depth during the Holocene (past 11 500 years) from a bipolar ice-core array

M Sigl, M Toohey, JR McConnell… - Earth System …, 2022 - essd.copernicus.org
The injection of sulfur into the stratosphere by volcanic eruptions is the dominant driver of
natural climate variability on interannual to multidecadal timescales. Based on a set of …

An extended last glacial maximum in the Southern Hemisphere: A contribution to the SHeMax project

LM Petherick, J Knight, J Shulmeister, H Bostock… - Earth-Science …, 2022 - Elsevier
Proxy records from across the Southern Hemisphere show significant local to regional scale
variability in climatic and environmental conditions during late Marine Isotope Stage 3 and …

Volcanic stratospheric sulfur injections and aerosol optical depth from 500 BCE to 1900 CE

M Toohey, M Sigl - Earth System Science Data, 2017 - essd.copernicus.org
The injection of sulfur into the stratosphere by explosive volcanic eruptions is the cause of
significant climate variability. Based on sulfate records from a suite of ice cores from …

A 156 kyr smoothed history of the atmospheric greenhouse gases CO2, CH4, and N2O and their radiative forcing

P Köhler, C Nehrbass-Ahles, J Schmitt… - Earth System …, 2017 - essd.copernicus.org
Continuous records of the atmospheric greenhouse gases (GHGs) CO 2, CH 4, and N 2 O
are necessary input data for transient climate simulations, and their associated radiative …

Abrupt changes in the global carbon cycle during the last glacial period

TK Bauska, SA Marcott, EJ Brook - Nature Geoscience, 2021 - nature.com
During the last glacial period, atmospheric carbon dioxide (CO2) closely followed Antarctic
temperature on millennial timescales. This strong correlation between Antarctic climate and …