Main controls on the stable carbon isotope composition of speleothems

J Fohlmeister, NRG Voarintsoa, FA Lechleitner… - … et Cosmochimica Acta, 2020 - Elsevier
The climatic controls on the stable carbon isotopic composition (δ 13 C) of speleothem
carbonate are less often discussed in the scientific literature in contrast to the frequently …

Carbonates in the critical zone

MD Covington, JB Martin, LE Toran… - Earth's …, 2023 - Wiley Online Library
Abstract Earth's Critical Zone (CZ), the near‐surface layer where rock is weathered and
landscapes co‐evolve with life, is profoundly influenced by the type of underlying bedrock …

Radiocarbon evidence for decomposition of aged organic matter in the vadose zone as the main source of speleothem carbon

AL Noronha, KR Johnson, JR Southon, C Hu… - Quaternary Science …, 2015 - Elsevier
Several recent studies have used records of the radiocarbon (14 C) bomb peak in
speleothems to inversely model the soil a 14 CO 2 and the age distribution of soil organic …

Selection and treatment of data for radiocarbon calibration: an update to the International Calibration (IntCal) criteria

PJ Reimer, E Bard, A Bayliss, JW Beck, PG Blackwell… - …, 2013 - cambridge.org
High-quality data from appropriate archives are needed for the continuing improvement of
radiocarbon calibration curves. We discuss here the basic assumptions behind 14C dating …

End of Green Sahara amplified mid-to late Holocene megadroughts in mainland Southeast Asia

ML Griffiths, KR Johnson, FSR Pausata… - Nature …, 2020 - nature.com
Between 5 and 4 thousand years ago, crippling megadroughts led to the disruption of
ancient civilizations across parts of Africa and Asia, yet the extent of these climate extremes …

Western Pacific hydroclimate linked to global climate variability over the past two millennia

ML Griffiths, AK Kimbrough, MK Gagan… - Nature …, 2016 - nature.com
Interdecadal modes of tropical Pacific ocean-atmosphere circulation have a strong influence
on global temperature, yet the extent to which these phenomena influence global climate on …

Bunker Cave stalagmites: an archive for central European Holocene climate variability

J Fohlmeister, A Schröder-Ritzrau, D Scholz… - Climate of the …, 2012 - cp.copernicus.org
Holocene climate was characterised by variability on multi-centennial to multi-decadal time
scales. In central Europe, these fluctuations were most pronounced during winter. Here we …

Precipitation in Northeast Mexico primarily controlled by the relative warming of Atlantic SSTs

KT Wright, KR Johnson, T Bhattacharya… - Geophysical …, 2022 - Wiley Online Library
Reconstructing hydroclimate over the Common Era is essential for understanding the
dominant mechanisms of precipitation change and improving climate model projections …

Stalagmite carbon isotopes and dead carbon proportion (DCP) in a near-closed-system situation: An interplay between sulphuric and carbonic acid dissolution

P Bajo, A Borsato, R Drysdale, Q Hua, S Frisia… - … et Cosmochimica Acta, 2017 - Elsevier
In this study, the 'dead carbon proportion'(DCP) calculated from combined U-Th and
radiocarbon analyses was used to explore the carbon isotope systematics in Corchia Cave …

Climatic and in-cave influences on δ18O and δ13C in a stalagmite from northeastern India through the last deglaciation

FA Lechleitner, SFM Breitenbach, H Cheng… - Quaternary …, 2017 - cambridge.org
Northeastern (NE) India experiences extraordinarily pronounced seasonal climate,
governed by the Indian summer monsoon (ISM). The vulnerability of this region to floods and …