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Calibration of Radiocarbon Ages and the Interpretation of Paleoenvironmental Records
Calibration of Radiocarbon Ages and the Interpretation of Paleoenvironmental Records,10.1006/qres.1995.1086,Quaternary Research,Patrick J. Bartlein,Ma
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Calibration of Radiocarbon Ages and the Interpretation of Paleoenvironmental Records
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Citations: 50
)
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Patrick J. Bartlein
,
Mary E. Edwards
,
Sarah L. Shafer
,
Edward D. Barker
Calibration of the radiocarbon timescale of paleoecological records is essential if they are to be explained correctly in terms of their governing ecological or climatological controls. The differences between calendar ages and radiocarbon ages that arise from variations in 14C production through time can distort the chronologies of individual records and the interpretations based on them. Misleading impressions of synchrony or diachrony of events among multiple records can result, and estimates of the apparent duration of episodes and rates of sedimentation and local population changes can be biased. Displays of the temporal patterns of migration or extinction may also be affected. Spurious correlations may arise between records with radiocarbon-controlled chronologies and
time series
of potential controls that are expressed on a calendar time scale. Support for particular explanations of features in a paleoecological record may vary depending on whether radiocarbon ages are calibrated or not. This situation is illustrated using the eastern Beringian
Populus
subzone as an example. When the radiocarbon ages that control the timing of the
Populus
subzone are calibrated, the contemporaneous decrease in ice volume and increase in summer insolation are implicated as the ultimate controls of the occurrence of the subzone.
Journal:
Quaternary Research - QUATERNARY RES
, vol. 44, no. 3, pp. 417-424, 1995
DOI:
10.1006/qres.1995.1086
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Citation Context
(11)
...The Populus pollen curves in pollen diagrams from North America have long proved to be confusing and difficult to interpret (Mott, 1978; Edwards & Dunwiddie, 1985;
Bartlein et al., 1995;
Anderson et al., 2004)...
Matthew C. Peros
,
et al.
Continental-scale tree population response to rapid climate change, co...
...Smith 2005); we research ecological processes of land use and land cover change, climate change (
Liu, Sun, and Jiang 1992
;
Bartlein et al...
Victoria Lawson
.
Geographies of Care and Responsibility
...Similarly, if one is analyzing frequency distributions of radiocarbon dates then the shape of the radiocarbon calibration curve can dramatically impact the shape of summed calibrated probability distributions of dates (
Bartlein et al., 1995
)...
Todd A. Surovell
,
et al.
A note on the use of temporal frequency distributions in studies of pr...
...comparisons (Gaudreau, 1988;
Bartlein et al., 1995
)...
...determine if there was regional consistency in the timing of certain projectile point phases, bearing in mind the 14 C plateau that coincides with the Paleoindian interval (
Bartlein et al., 1995;
Fiedel, 1999)...
Paige Newby
,
et al.
A Paleoindian response to Younger Dryas climate change
...It is especially important when comparisons with other paleoenvironmental records (e.g. varves) are made (
Bartlein et al. 1995
)...
Danuta J
,
et al.
SHAPE ANALYSIS OF CUMULATIVE PROBABILITY DENSITY FUNCTION OF RADIOCARB...
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Bryan N. Shuman
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, vol. 28, no. 17, pp. 1693-1709, 2009