Bayesian modeling and chronological precision for Polynesian settlement of Tonga

Burley, David, Edinborough, Kevan, Weisler, Marshall and Zhao, Jian-xin (2015) Bayesian modeling and chronological precision for Polynesian settlement of Tonga. PLoS One, 10 3: . doi:10.1371/journal.pone.0120795


Author Burley, David
Edinborough, Kevan
Weisler, Marshall
Zhao, Jian-xin
Title Bayesian modeling and chronological precision for Polynesian settlement of Tonga
Journal name PLoS One   Check publisher's open access policy
ISSN 1932-6203
Publication date 2015-03-23
Year available 2015
Sub-type Article (original research)
DOI 10.1371/journal.pone.0120795
Open Access Status DOI
Volume 10
Issue 3
Total pages 14
Place of publication San Francisco, CA United States
Publisher Public Library of Science
Collection year 2015
Language eng
Formatted abstract
First settlement of Polynesia, and population expansion throughout the ancestral Polynesian homeland are foundation events for global history. A precise chronology is paramount to informed archaeological interpretation of these events and their consequences. Recently applied chronometric hygiene protocols excluding radiocarbon dates on wood charcoal without species identification all but eliminates this chronology as it has been built for the Kingdom of Tonga, the initial islands to be settled in Polynesia. In this paper we re-examine and redevelop this chronology through application of Bayesian models to the questioned suite of radiocarbon dates, but also incorporating short-lived wood charcoal dates from archived samples and high precision U/Th dates on coral artifacts. These models provide generation level precision allowing us to track population migration from first Lapita occupation on the island of Tongatapu through Tonga’s central and northern island groups. They further illustrate an exceptionally short duration for the initial colonizing Lapita phase and a somewhat abrupt transition to ancestral Polynesian society as it is currently defined.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
Official 2016 Collection
School of Social Science Publications
 
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