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Species-specific reservoir effect estimates : A case study of archaeological marine samples from the Bering Strait

Dury, Jack ; Eriksson, Gunilla ; Savinetsky, Arkady ; Dobrovolskaya, Maria ; Dneprovsky, Kirill ; Harris, Alison J.T. ; van der Plicht, Johannes ; Jordan, Peter LU orcid and Lidén, Kerstin (2022) In The Holocene 32(11). p.1209-1221
Abstract
Due to the marine reservoir effect, radiocarbon dates of marine samples require a correction. Marine reservoir effects, however, may vary among
different marine species within a given body of water. Factors such as diet, feeding depth and migratory behaviour all affect the 14C date of a marine
organism. Moreover, there is often significant variation within single marine species. Whilst the careful consideration of the ΔR values of a single marine
species in a given location is important, so too is the full range of ΔR values within an ecosystem. This paper illustrates this point, using a sample pairing
method to estimate the reservoir effects in 17 marine samples, of eight different species, from the archaeological site of... (More)
Due to the marine reservoir effect, radiocarbon dates of marine samples require a correction. Marine reservoir effects, however, may vary among
different marine species within a given body of water. Factors such as diet, feeding depth and migratory behaviour all affect the 14C date of a marine
organism. Moreover, there is often significant variation within single marine species. Whilst the careful consideration of the ΔR values of a single marine
species in a given location is important, so too is the full range of ΔR values within an ecosystem. This paper illustrates this point, using a sample pairing
method to estimate the reservoir effects in 17 marine samples, of eight different species, from the archaeological site of Ekven (Eastern Chukotka,
Siberia). An OxCal model is used to assess the strength of these estimates. The marine reservoir effects of samples passing the model range from ΔR
(Marine20)=136±41–ΔR=460±40. Marine reservoir effect estimates of these samples and other published samples are used to explore variability in
the wider Bering Strait region. The archaeological implications of this variability are also discussed. The calibrating of 14C dates from human bone collagen,
for example, could be improved by applying a dietary relevant marine reservoir effect correction. For humans from the site of Ekven, a ΔR (Marine20)
correction of 289±124years or reservoir age correction of 842±123years is suggested. (Less)
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author
; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Bering Strait, Ekven, marine reservoir effects, Old Bering Sea Culture, radiocarbon, reservoir age, ΔR
in
The Holocene
volume
32
issue
11
pages
13 pages
publisher
SAGE Publications
external identifiers
  • scopus:85114420206
  • pmid:36177447
ISSN
0959-6836
DOI
10.1177/09596836211041728
project
POSTGLACIAL: Comparative Perspectives on Cultural Responses to Postglacial Warming in Northern Eurasia
Maritime Networks and Emergent Identities in the North Pacific Rim
language
English
LU publication?
yes
id
7af5bda0-4f97-4590-82ea-a16d01d1ba7c
date added to LUP
2021-08-18 14:45:34
date last changed
2023-04-24 13:23:35
@article{7af5bda0-4f97-4590-82ea-a16d01d1ba7c,
  abstract     = {{Due to the marine reservoir effect, radiocarbon dates of marine samples require a correction. Marine reservoir effects, however, may vary among<br/>different marine species within a given body of water. Factors such as diet, feeding depth and migratory behaviour all affect the 14C date of a marine<br/>organism. Moreover, there is often significant variation within single marine species. Whilst the careful consideration of the ΔR values of a single marine<br/>species in a given location is important, so too is the full range of ΔR values within an ecosystem. This paper illustrates this point, using a sample pairing<br/>method to estimate the reservoir effects in 17 marine samples, of eight different species, from the archaeological site of Ekven (Eastern Chukotka,<br/>Siberia). An OxCal model is used to assess the strength of these estimates. The marine reservoir effects of samples passing the model range from ΔR<br/>(Marine20)=136±41–ΔR=460±40. Marine reservoir effect estimates of these samples and other published samples are used to explore variability in<br/>the wider Bering Strait region. The archaeological implications of this variability are also discussed. The calibrating of 14C dates from human bone collagen,<br/>for example, could be improved by applying a dietary relevant marine reservoir effect correction. For humans from the site of Ekven, a ΔR (Marine20)<br/>correction of 289±124years or reservoir age correction of 842±123years is suggested.}},
  author       = {{Dury, Jack and Eriksson, Gunilla and Savinetsky, Arkady and Dobrovolskaya, Maria and Dneprovsky, Kirill and Harris, Alison J.T. and van der Plicht, Johannes and Jordan, Peter and Lidén, Kerstin}},
  issn         = {{0959-6836}},
  keywords     = {{Bering Strait; Ekven; marine reservoir effects; Old Bering Sea Culture; radiocarbon; reservoir age; ΔR}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{1209--1221}},
  publisher    = {{SAGE Publications}},
  series       = {{The Holocene}},
  title        = {{Species-specific reservoir effect estimates : A case study of archaeological marine samples from the Bering Strait}},
  url          = {{http://dx.doi.org/10.1177/09596836211041728}},
  doi          = {{10.1177/09596836211041728}},
  volume       = {{32}},
  year         = {{2022}},
}