Marine reservoir corrections for Moreton Bay, Australia

Ulm, Sean, Petchey, Fiona, and Ross, Annie (2009) Marine reservoir corrections for Moreton Bay, Australia. Archaeology in Oceania, 44 (3). pp. 160-166.

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Abstract

We present the first direct assessment of marine reservoir effects in the Moreton Bay region using radiocarbon dating of known-age, pre-AD 1950, shell samples from the east coast of Stradbroke Island and archaeological shell/charcoal pairs from Peel Island in Moreton Bay. The resulting [DELTA]R value of 9 [+ or -]19 [sup.14]C years for the open ocean conforms to regional values established for northeast Australia of 12 [+ or -] 10 [sup.14]C years. Negative [DELTA]R values of-65 [+ or -] 61 [sup.14]C years and -216 [+ or -] 94 [sup.14]C years for southern Moreton Bay highlight the potential for larger offsets over the last ~900 years. These may be linked to changing terrestrial inputs and local circulation patterns.

Item ID: 15730
Item Type: Article (Refereed Research - C1)
Keywords: [DELTA]R, marine reservoir effects, marine shell, radiocarbon dating, Moreton Bay
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ISSN: 1834-4453
Date Deposited: 12 Jul 2011 01:17
FoR Codes: 21 HISTORY AND ARCHAEOLOGY > 2101 Archaeology > 210102 Archaeological Science @ 100%
SEO Codes: 96 ENVIRONMENT > 9611 Physical and Chemical Conditions of Water > 961104 Physical and Chemical Conditions of Water in Marine Environments @ 50%
95 CULTURAL UNDERSTANDING > 9505 Understanding Past Societies > 950503 Understanding Australias Past @ 50%
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