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Lagoonal reef accretion and holocene sea-level history from three atolls in the Cook Islands, Central South Pacific

Journal of Coastal Research

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Abstract

Radiocarbon ages of corals from cores collected at nine drill sites in the lagoons of three atolls (Pukapuka, Rakahanga, Aitutaki, Cook Islands) provide a history of lagoon sedimentation in response to Holocene sea-level rise and stabilization. Holocene lagoonal reefs were established between 8700 and 7800 years B.P. on 130,000-200,000 year-old reef platforms that are presently 7 to 22 m below the floor of the lagoons. Comparison of radiocarbon ages of the deepest corals to published sea-level curves indicate that Holocene reefs colonized these substrates rapidly (

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Lagoonal reef accretion and holocene sea-level history from three atolls in the Cook Islands, Central South Pacific
Series title:
Journal of Coastal Research
Volume
21
Issue:
SPEC. ISS. 42
Year Published:
2005
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Coastal Research
First page:
253
Last page:
264
Number of Pages:
12