Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/153683
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dc.contributor.authorRyan, E. J.en_US
dc.contributor.authorMorgan, Kyle Meredithen_US
dc.contributor.authorKench, P. S.en_US
dc.contributor.authorOwen, S. D.en_US
dc.contributor.authorCarvajal, C. P.en_US
dc.contributor.authorTurner, T.en_US
dc.date.accessioned2022-01-07T06:21:03Z-
dc.date.available2022-01-07T06:21:03Z-
dc.date.issued2021-
dc.identifier.citationRyan, E. J., Morgan, K. M., Kench, P. S., Owen, S. D., Carvajal, C. P. & Turner, T. (2021). Fossil reefs reveal temporally distinct late holocene lagoonal reef shutdown episodes at Kiritimati island, Central Pacific. Geophysical Research Letters, 48(8), e2020GL092113-. https://dx.doi.org/10.1029/2020GL092113en_US
dc.identifier.issn0094-8276en_US
dc.identifier.urihttps://hdl.handle.net/10356/153683-
dc.description.abstractAn extremely rare example of well-preserved emergent Holocene fossil reefs exists at Kiritimati Island, central Pacific. Fossil reefs are rich geological archives of paleoenvironmental change. The first paleoecological surveys of two fossil reefs are presented, revealing high coral cover (40–50%) and low diversity (6 genera). Fossil coral ages suggest reefs exhibited disparity in the timing of reef development (4,113 and 1,915 cal yBP) and ecological surveys show different coral compositions (Acropora or Porites dominant), between reefs. Results constrain two discrete episodes of reef shutdown (at 2,905 and 1,705 cal yBP) as lagoonal reefs thrived, and subsequently died off, through the late Holocene. Shifts in physio-chemical conditions associated with reduced lagoon flushing following storm-driven changes in atoll rim morphology are argued as the driver for the staged reef die-off. The findings have implications for interpreting past and future eco-morphological change on atolls, given projected increases in storminess with climate change.en_US
dc.language.isoenen_US
dc.relation.ispartofGeophysical Research Lettersen_US
dc.rights© 2021 American Geophysical Union. All rights reserved. This paper was published in Geophysical Research Letters and is made available with permission of American Geophysical Union.en_US
dc.subjectEngineering::Environmental engineeringen_US
dc.titleFossil reefs reveal temporally distinct late holocene lagoonal reef shutdown episodes at Kiritimati island, Central Pacificen_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.identifier.doi10.1029/2020GL092113-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85105117296-
dc.identifier.issue8en_US
dc.identifier.volume48en_US
dc.identifier.spagee2020GL092113en_US
dc.subject.keywordsFossil Coral Reefen_US
dc.subject.keywordsHoloceneen_US
dc.description.acknowledgementFunding was provided by the University of Auckland and the Royal Society Te Apārangi Marsden Fund (UOA1513).en_US
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