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The future of palaeoclimate and archaeological research in Australia: next generation instrumentation for chronology and environmental reconstruction
- Title
- The future of palaeoclimate and archaeological research in Australia: next generation instrumentation for chronology and environmental reconstruction
- Funding
- ARC | Linkage Infrastructure, Equipment and Facilities
- Contract (GA) number
- LE0989067
- Start Date
- 2009/01/01
- End Date
- 2009/12/31
- Open Access mandate
- no
- Organizations
- -
- More information
- http://purl.org/au-research/grants/arc/LE0989067
-
Historical photographs revisited: A case study for dating and characterizing recent loss of coral cover on the inshore Great Barrier Reef
Clark, Tara R.; Leonard, Nicole D.; Zhao, Jian-xin; Brodie, Jon; McCook, Laurence J.; Wachenfeld, David R.; Duc Nguyen, Ai; Markham, Hannah L.; Pandolfi, John M. (2016)
Projects: ARC | The future of palaeoclimate and archaeological research in Australia: next generation instrumentation for chronology and environmental reconstruction (LE0989067)Long-term data with high-precision chronology are essential to elucidate past ecological changes on coral reefs beyond the period of modern-day monitoring programs. In 2012 we revisited two inshore reefs within the central Great Barrier Reef, where a series of historical photographs document a loss of hard coral cover between c.1890–1994 AD. Here we use an integrated approach that includes high-precision U-Th dating specifically tailored for determining the age of extremely young corals to pr...High precision u/th dating of first Polynesian settlement.
David Burley; Marshall I Weisler; Jian-xin Zhao
Projects: ARC | Voyaging, Trade and the Development of Ancient Complex Societies in East Polynesia: An Interdisciplinary Approach (DP0986542), ARC | The future of palaeoclimate and archaeological research in Australia: next generation instrumentation for chronology and environmental reconstruction (LE0989067)Previous studies document Nukuleka in the Kingdom of Tonga as a founder colony for first settlement of Polynesia by Lapita peoples. A limited number of radiocarbon dates are one line of evidence supporting this claim, but they cannot precisely establish when this event occurred, nor can they afford a detailed chronology for sequent occupation. High precision U/Th dates of Acropora coral files (abraders) from Nukuleka give unprecedented resolution, identifying the founder event by 2838±8 BP an...Bayesian modeling and chronological precision for Polynesian settlement of Tonga.
David Burley; Kevan Edinborough; Marshall Weisler; Jian-xin Zhao
Projects: ARC | Voyaging, Trade and the Development of Ancient Complex Societies in East Polynesia: An Interdisciplinary Approach (DP0986542), ARC | The future of palaeoclimate and archaeological research in Australia: next generation instrumentation for chronology and environmental reconstruction (LE0989067)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 settle... -
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