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Article: Record of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Ca

TitleRecord of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Ca
Authors
Issue Date2005
Citation
Paleoceanography, 2005, v. 20 n. 4 How to Cite?
AbstractStrontium to calcium ratios (Sr/Ca) are reported for a massive brain coral Diploria labyrinthiformis collected from the south shore of Bermuda and are strongly correlated with both sea surface temperature (SST) and mean annual skeletal growth rate. High Sr/Ca ratios correspond with cold SSTs and slow skeletal growth rate and vice versa. We provide a quantitative calibration of Sr/Ca to extension rate and SST along the axis of maximum growth and derive a growth-dependent Sr/Ca-SST calibration equation to reconstruct western subtropical North Atlantic SSTs for the past 223 years. When the influence of growth rate is excluded from the calibration, Sr/Ca ratios yield SSTs that are too cold during cool anomalies and too warm during warm anomalies. Toward the end of the Little. Ice Age (∼1850), SST changes derived using a calibration that is not growth-dependent are exaggerated by a factor of 2 relative to those from the growth-corrected model that yields SSTs ∼1.5°C cooler than today. Our results indicate that incorporation of growth rate effects into coral Sr/Ca calibrations may improve the accuracy of SSTs derived from living and fossil corals. Copyright 2005 by the American Geophysical Union.
Persistent Identifierhttp://hdl.handle.net/10722/151178
ISSN
2015 Impact Factor: 3.433
2015 SCImago Journal Rankings: 3.067
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorGoodkin, NFen_US
dc.contributor.authorHughen, KAen_US
dc.contributor.authorCohen, ALen_US
dc.contributor.authorSmith, SRen_US
dc.date.accessioned2012-06-26T06:18:16Z-
dc.date.available2012-06-26T06:18:16Z-
dc.date.issued2005en_US
dc.identifier.citationPaleoceanography, 2005, v. 20 n. 4en_US
dc.identifier.issn0883-8305en_US
dc.identifier.urihttp://hdl.handle.net/10722/151178-
dc.description.abstractStrontium to calcium ratios (Sr/Ca) are reported for a massive brain coral Diploria labyrinthiformis collected from the south shore of Bermuda and are strongly correlated with both sea surface temperature (SST) and mean annual skeletal growth rate. High Sr/Ca ratios correspond with cold SSTs and slow skeletal growth rate and vice versa. We provide a quantitative calibration of Sr/Ca to extension rate and SST along the axis of maximum growth and derive a growth-dependent Sr/Ca-SST calibration equation to reconstruct western subtropical North Atlantic SSTs for the past 223 years. When the influence of growth rate is excluded from the calibration, Sr/Ca ratios yield SSTs that are too cold during cool anomalies and too warm during warm anomalies. Toward the end of the Little. Ice Age (∼1850), SST changes derived using a calibration that is not growth-dependent are exaggerated by a factor of 2 relative to those from the growth-corrected model that yields SSTs ∼1.5°C cooler than today. Our results indicate that incorporation of growth rate effects into coral Sr/Ca calibrations may improve the accuracy of SSTs derived from living and fossil corals. Copyright 2005 by the American Geophysical Union.en_US
dc.languageengen_US
dc.relation.ispartofPaleoceanographyen_US
dc.titleRecord of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Caen_US
dc.typeArticleen_US
dc.identifier.emailGoodkin, NF:goodkin@hkucc.hku.hken_US
dc.identifier.authorityGoodkin, NF=rp00700en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1029/2005PA001140en_US
dc.identifier.scopuseid_2-s2.0-32944472882en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-32944472882&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume20en_US
dc.identifier.issue4en_US
dc.identifier.isiWOS:000233964300001-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridGoodkin, NF=12446578100en_US
dc.identifier.scopusauthoridHughen, KA=6701562711en_US
dc.identifier.scopusauthoridCohen, AL=7404781298en_US
dc.identifier.scopusauthoridSmith, SR=9242181500en_US

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