Results 1 to 10 of about 6,637 (213)

Radiocarbon age is just a number. [PDF]

open access: yesNat Phys, 2021
The idea of radiocarbon existing at equilibrium within Earth's atmosphere has established radiocarbon dating. Adam Fleisher takes a look at its beginnings, achievements and limitations.
Fleisher AJ.
europepmc   +3 more sources

Calibration of a radiocarbon age [PDF]

open access: yesNonlinear Processes in Geophysics, 2012
The calibration of a radiocarbon age to a calendar date is reviewed. It is shown that the commonly-used programs for calibration sometimes give results that are significantly in error.
D. J. Keenan
doaj   +4 more sources

Updated chronologies for North American small mammal fossil localities in the Neotoma Paleoecology Database [PDF]

open access: yesScientific Data
Community paleoecology is a powerful approach for analyzing ecological communities during long-term climate shifts like the Pleistocene-Holocene transition, but it depends on accurate estimates of species co-occurrences. The Neotoma Paleoecology Database
Val J. P. Syverson   +6 more
doaj   +2 more sources

Reduced Antarctic Bottom Water overturning rate during the early last deglaciation inferred from radiocarbon records [PDF]

open access: yesNature Communications
The rapid CO2 rise during the early deglaciation is often linked to enhanced ventilation by intensified Antarctic Bottom Water (AABW) overturning.
Sifan Gu   +10 more
doaj   +2 more sources

The radiocarbon age of mycoheterotrophic plants [PDF]

open access: yesNew Phytologist, 2020
This article is a Commentary on Suetsugu et al. (2020), 227: 1519–1529.
Hatté, Christine   +2 more
openaire   +5 more sources

Data on Holocene Fossil Benthic Foraminifera from Sunda Shelf, Offshore Southeastern Peninsular Malaysia

open access: yesOpen Quaternary, 2021
This paper documents a database of fossil foraminiferal occurrences from a core sample (2 m) retrieved from offshore southeastern Peninsular Malaysia, in 1993, with additional data on their modern distribution from published source. Five sub-samples were
Rokiah Suriadi   +3 more
doaj   +1 more source

Pedigree-based Bayesian modelling of radiocarbon dates.

open access: yesPLoS ONE, 2022
Within the last decade, archaeogenetic analysis has revolutionized archaeological research and enabled novel insights into mobility, relatedness and health of past societies.
Ken Massy   +3 more
doaj   +1 more source

Reconstruction of mean January air temperature of Holocene in the lower Kolyma River region

open access: yesЛëд и снег, 2022
The object of study is ice wedges at 10 sites in the lower Kolyma River. The Holocene age of ice wedges is determined on the basis of radiocarbon dating of the enclosing sediments and location of ice wedges in alases, floodplains and lacustrine-paludal ...
N. A. Budantseva, Yu. K. Vasil’chuk
doaj   +1 more source

Reconstruction of the mean January air temperature in the Early Holocene on the eastern coast of Chukotka

open access: yesЛëд и снег, 2023
The investigation is concerned with the Early Holocene syngenetic massive wedge ice exposed in the outcrop of a polygonal peatland in the upper part of the third marine terrace near Lorino settlement on the eastern coast of Chukotka.
N. A. Budantseva   +4 more
doaj   +1 more source

RADIOCARBON INVESTIGATION OF TWO OLD ELMS FROM ROMANIA

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2022
The paper reports the AMS (accelerator mass spectrometry) radiocarbon investigation results of two superlative elms from Romana, the very large field elm of Calafat, with a wood volume of 85 m3, and the wych elm of Sadova.
Adrian PATRUT   +7 more
doaj   +1 more source

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