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Article: A multicoral calibration method to approximate a universal equation relating Sr/Ca and growth rate to sea surface temperature

TitleA multicoral calibration method to approximate a universal equation relating Sr/Ca and growth rate to sea surface temperature
Authors
Issue Date2007
Citation
Paleoceanography, 2007, v. 22 n. 1 How to Cite?
AbstractCombining strontium-to-calcium ratios (Sr/Ca) with mean annual growth rates in Bermuda Diploria labyrinthiformis (brain corals) is shown to improve sea surface temperature (SST) calibrations relative to instrumental data. Growth-corrected Sr/Ca-SST calibrations based on single-coral colonies over the same calibration interval, however, are found to be poorly suited for application to data from different coral colonies. This raises concerns about the accuracy of SST reconstructions from fossil coral measurements that involve extrapolation beyond the range of values seen during the calibration period. Here we pursue a novel approach to this problem by incorporating data from multiple coral colonies into a single growth-corrected Sr/Ca-SST calibration equation, effectively expanding the range of modern values constraining the model. The use of a multiple-colony calibration model for reconstructing SST yields greater precision and accuracy relative to instrumental data than single-colony models, providing greater confidence for applications to fossil coral samples. Copyright 2007 by the American Geophysical Union.
Persistent Identifierhttp://hdl.handle.net/10722/151207
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.date.accessioned2012-06-26T06:18:39Z-
dc.date.available2012-06-26T06:18:39Z-
dc.date.issued2007en_US
dc.identifier.citationPaleoceanography, 2007, v. 22 n. 1en_US
dc.identifier.issn0883-8305en_US
dc.identifier.urihttp://hdl.handle.net/10722/151207-
dc.description.abstractCombining strontium-to-calcium ratios (Sr/Ca) with mean annual growth rates in Bermuda Diploria labyrinthiformis (brain corals) is shown to improve sea surface temperature (SST) calibrations relative to instrumental data. Growth-corrected Sr/Ca-SST calibrations based on single-coral colonies over the same calibration interval, however, are found to be poorly suited for application to data from different coral colonies. This raises concerns about the accuracy of SST reconstructions from fossil coral measurements that involve extrapolation beyond the range of values seen during the calibration period. Here we pursue a novel approach to this problem by incorporating data from multiple coral colonies into a single growth-corrected Sr/Ca-SST calibration equation, effectively expanding the range of modern values constraining the model. The use of a multiple-colony calibration model for reconstructing SST yields greater precision and accuracy relative to instrumental data than single-colony models, providing greater confidence for applications to fossil coral samples. Copyright 2007 by the American Geophysical Union.en_US
dc.languageengen_US
dc.relation.ispartofPaleoceanographyen_US
dc.titleA multicoral calibration method to approximate a universal equation relating Sr/Ca and growth rate to sea surface temperatureen_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.doi10.1029/2006PA001312en_US
dc.identifier.scopuseid_2-s2.0-34249734340en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34249734340&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume22en_US
dc.identifier.issue1en_US
dc.identifier.isiWOS:000244710300001-
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.citeulike1203248-

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