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- Publisher Website: 10.1029/2005PA001140
- Scopus: eid_2-s2.0-32944472882
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Article: Record of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Ca
Title | Record of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Ca |
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Authors | |
Issue Date | 2005 |
Citation | Paleoceanography, 2005, v. 20 n. 4 How to Cite? |
Abstract | Strontium 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 Identifier | http://hdl.handle.net/10722/151178 |
ISSN | 2019 Impact Factor: 3.313 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Goodkin, NF | en_US |
dc.contributor.author | Hughen, KA | en_US |
dc.contributor.author | Cohen, AL | en_US |
dc.contributor.author | Smith, SR | en_US |
dc.date.accessioned | 2012-06-26T06:18:16Z | - |
dc.date.available | 2012-06-26T06:18:16Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.citation | Paleoceanography, 2005, v. 20 n. 4 | en_US |
dc.identifier.issn | 0883-8305 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/151178 | - |
dc.description.abstract | Strontium 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.language | eng | en_US |
dc.relation.ispartof | Paleoceanography | en_US |
dc.title | Record of Little Ice Age sea surface temperatures at Bermuda using a growth-dependent calibration of coral Sr/Ca | en_US |
dc.type | Article | en_US |
dc.identifier.email | Goodkin, NF:goodkin@hkucc.hku.hk | en_US |
dc.identifier.authority | Goodkin, NF=rp00700 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1029/2005PA001140 | en_US |
dc.identifier.scopus | eid_2-s2.0-32944472882 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-32944472882&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 20 | en_US |
dc.identifier.issue | 4 | en_US |
dc.identifier.isi | WOS:000233964300001 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Goodkin, NF=12446578100 | en_US |
dc.identifier.scopusauthorid | Hughen, KA=6701562711 | en_US |
dc.identifier.scopusauthorid | Cohen, AL=7404781298 | en_US |
dc.identifier.scopusauthorid | Smith, SR=9242181500 | en_US |
dc.identifier.issnl | 0883-8305 | - |