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Article: Mg/Ca, Sr/Ca and U/Ca ratios of a porites coral from Sanya Bay, Hainan Island, South China Sea and their relationships to sea surface temperature

TitleMg/Ca, Sr/Ca and U/Ca ratios of a porites coral from Sanya Bay, Hainan Island, South China Sea and their relationships to sea surface temperature
Authors
KeywordsCoral
Mg/Ca
Sea-Surface Temperature
South China Sea
Sr/Ca
U/Ca Ratios
Issue Date2000
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/palaeo
Citation
Palaeogeography, Palaeoclimatology, Palaeoecology, 2000, v. 162 n. 1-2, p. 59-74 How to Cite?
AbstractHigh-resolution Mg/Ca, Sr/Ca and U/Ca ratios are reported in the skeleton of Porites sp. collected from Sanya Bay, on the south coast of the Hainan Island, China using inductively coupled plasma mass spectrometry combined with isotope dilution technique (ICP-MS-ID). The coralline Mg/Ca ratios covary with sea-surface temperatures (SST) for the 10 year interval, giving the relationship between Mg/Ca and SST as T (°C)=(-14.13±0.31)+ (8.846±0.068) x 103Mg/Ca with the mean square weighted deviation (MSWD) of 9.7. Using this equation, we are able to reconstruct SST record with a precision better than ±0.5°C. Several Sr/Ca and U/Ca ratios show poor linear relationships with the measured SST. This study indicates that the growth rates of the coral do not significantly affect coralline Mg/Ca, Sr/Ca and U/Ca ratios. However, the high meteoric precipitation in this area, which may cause a heavy run-off from the Island, may change seawater Sr/Ca and U/Ca ratios and ruin the relationships between coralline Sr/Ca or U/Ca ratios and SST. This implies that in coastal areas like Hainan, coralline Mg/Ca ratios are valid for reconstructing the SST records, but Sr/Ca and U/Ca ratios may be suspected. (C) 2000 Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/151045
ISSN
2015 Impact Factor: 2.525
2015 SCImago Journal Rankings: 1.501
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWei, Gen_US
dc.contributor.authorSun, Men_US
dc.contributor.authorLi, Xen_US
dc.contributor.authorNie, Ben_US
dc.date.accessioned2012-06-26T06:16:28Z-
dc.date.available2012-06-26T06:16:28Z-
dc.date.issued2000en_US
dc.identifier.citationPalaeogeography, Palaeoclimatology, Palaeoecology, 2000, v. 162 n. 1-2, p. 59-74en_US
dc.identifier.issn0031-0182en_US
dc.identifier.urihttp://hdl.handle.net/10722/151045-
dc.description.abstractHigh-resolution Mg/Ca, Sr/Ca and U/Ca ratios are reported in the skeleton of Porites sp. collected from Sanya Bay, on the south coast of the Hainan Island, China using inductively coupled plasma mass spectrometry combined with isotope dilution technique (ICP-MS-ID). The coralline Mg/Ca ratios covary with sea-surface temperatures (SST) for the 10 year interval, giving the relationship between Mg/Ca and SST as T (°C)=(-14.13±0.31)+ (8.846±0.068) x 103Mg/Ca with the mean square weighted deviation (MSWD) of 9.7. Using this equation, we are able to reconstruct SST record with a precision better than ±0.5°C. Several Sr/Ca and U/Ca ratios show poor linear relationships with the measured SST. This study indicates that the growth rates of the coral do not significantly affect coralline Mg/Ca, Sr/Ca and U/Ca ratios. However, the high meteoric precipitation in this area, which may cause a heavy run-off from the Island, may change seawater Sr/Ca and U/Ca ratios and ruin the relationships between coralline Sr/Ca or U/Ca ratios and SST. This implies that in coastal areas like Hainan, coralline Mg/Ca ratios are valid for reconstructing the SST records, but Sr/Ca and U/Ca ratios may be suspected. (C) 2000 Elsevier Science B.V.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/palaeoen_US
dc.relation.ispartofPalaeogeography, Palaeoclimatology, Palaeoecologyen_US
dc.rightsPalaeogeography, Palaeoclimatology, Palaeoecology. Copyright © Elsevier BV.-
dc.subjectCoralen_US
dc.subjectMg/Caen_US
dc.subjectSea-Surface Temperatureen_US
dc.subjectSouth China Seaen_US
dc.subjectSr/Caen_US
dc.subjectU/Ca Ratiosen_US
dc.titleMg/Ca, Sr/Ca and U/Ca ratios of a porites coral from Sanya Bay, Hainan Island, South China Sea and their relationships to sea surface temperatureen_US
dc.typeArticleen_US
dc.identifier.emailSun, M: minsun@hku.hken_US
dc.identifier.authoritySun, M=rp00780en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0031-0182(00)00105-Xen_US
dc.identifier.scopuseid_2-s2.0-0034666175en_US
dc.identifier.hkuros57987-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034666175&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume162en_US
dc.identifier.issue1-2en_US
dc.identifier.spage59en_US
dc.identifier.epage74en_US
dc.identifier.isiWOS:000089439400004-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridWei, G=24330125600en_US
dc.identifier.scopusauthoridSun, M=25932315800en_US
dc.identifier.scopusauthoridLi, X=48961126500en_US
dc.identifier.scopusauthoridNie, B=7003362050en_US
dc.customcontrol.immutablesml 130312-

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