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Article: Mid-Holocene variability of the East Asian monsoon based on bulk organic δ13C and C/N records from the Pearl River estuary, southern China

TitleMid-Holocene variability of the East Asian monsoon based on bulk organic δ13C and C/N records from the Pearl River estuary, southern China
Authors
Keywordsbulk organic δ13C
C/N
China
East Asian monsoon history
Holocene
Pearl River estuary
solar forcing
Issue Date2012
PublisherSage Publications Ltd. The Journal's web site is located at http://hol.sagepub.com
Citation
Holocene, 2012, v. 22 n. 6, p. 705-715 How to Cite?
AbstractUnderstanding the mid-Holocene dynamics of the East Asian monsoon (EAM) is integral to improving models of the Holocene development of the global climate system. Here we reconstruct the mid-Holocene EAM history from the Pearl River estuary, southern China, using bulk organic carbon isotopes (δ13C), total carbon to total nitrogen (C/N) ratios and total organic carbon (TOC) concentration. Sedimentary δ13C, C/N and TOC are potentially good indicators of changes in monsoonal precipitation strength. Sediments buried during a period of high precipitation exhibit a high proportion of terrigenous material, and have low δ13C and high C/N, and vice versa during a period of low precipitation. Results suggest a general decreasing trend in monsoonal precipitation from 6650 to 2150 cal. yr BP because of the weakening Northern Hemisphere insolation most likely related to the current precession circle. Superimposed on this trend are apparent dry-wet oscillations at centennial to millennial timescales most likely in response to solar activity. Mismatches between our δ13C record and results from the Dongge Cave in southern China at millennial timescales may indicate that the δ13C from the Pearl River estuary reveals changes in precipitation over a broader area than the δ18O from Dongge Cave. © The Author(s) 2011.
Persistent Identifierhttp://hdl.handle.net/10722/149072
ISSN
2015 Impact Factor: 2.135
2015 SCImago Journal Rankings: 1.147
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYu, Fen_HK
dc.contributor.authorZong, Yen_HK
dc.contributor.authorLloyd, JMen_HK
dc.contributor.authorLeng, MJen_HK
dc.contributor.authorSwitzer, ADen_HK
dc.contributor.authorYim, WWSen_HK
dc.contributor.authorHuang, Gen_HK
dc.date.accessioned2012-06-22T06:20:06Z-
dc.date.available2012-06-22T06:20:06Z-
dc.date.issued2012en_HK
dc.identifier.citationHolocene, 2012, v. 22 n. 6, p. 705-715en_HK
dc.identifier.issn0959-6836en_HK
dc.identifier.urihttp://hdl.handle.net/10722/149072-
dc.description.abstractUnderstanding the mid-Holocene dynamics of the East Asian monsoon (EAM) is integral to improving models of the Holocene development of the global climate system. Here we reconstruct the mid-Holocene EAM history from the Pearl River estuary, southern China, using bulk organic carbon isotopes (δ13C), total carbon to total nitrogen (C/N) ratios and total organic carbon (TOC) concentration. Sedimentary δ13C, C/N and TOC are potentially good indicators of changes in monsoonal precipitation strength. Sediments buried during a period of high precipitation exhibit a high proportion of terrigenous material, and have low δ13C and high C/N, and vice versa during a period of low precipitation. Results suggest a general decreasing trend in monsoonal precipitation from 6650 to 2150 cal. yr BP because of the weakening Northern Hemisphere insolation most likely related to the current precession circle. Superimposed on this trend are apparent dry-wet oscillations at centennial to millennial timescales most likely in response to solar activity. Mismatches between our δ13C record and results from the Dongge Cave in southern China at millennial timescales may indicate that the δ13C from the Pearl River estuary reveals changes in precipitation over a broader area than the δ18O from Dongge Cave. © The Author(s) 2011.en_HK
dc.languageengen_US
dc.publisherSage Publications Ltd. The Journal's web site is located at http://hol.sagepub.comen_HK
dc.relation.ispartofHoloceneen_HK
dc.rightsThe Holocene. Copyright © Sage Publications Ltd.-
dc.subjectbulk organic δ13Cen_HK
dc.subjectC/Nen_HK
dc.subjectChinaen_HK
dc.subjectEast Asian monsoon historyen_HK
dc.subjectHoloceneen_HK
dc.subjectPearl River estuaryen_HK
dc.subjectsolar forcingen_HK
dc.titleMid-Holocene variability of the East Asian monsoon based on bulk organic δ13C and C/N records from the Pearl River estuary, southern Chinaen_HK
dc.typeArticleen_HK
dc.identifier.emailZong, Y: yqzong@hku.hken_HK
dc.identifier.emailYim, WWS: wwsyim@hku.hken_HK
dc.identifier.authorityZong, Y=rp00846en_HK
dc.identifier.authorityYim, WWS=rp01746en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1177/0959683611417740en_HK
dc.identifier.scopuseid_2-s2.0-84861840913en_HK
dc.identifier.hkuros200200en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84861840913&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue6en_HK
dc.identifier.spage705en_HK
dc.identifier.epage715en_HK
dc.identifier.isiWOS:000304238500010-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYu, F=35747418400en_HK
dc.identifier.scopusauthoridZong, Y=7005203454en_HK
dc.identifier.scopusauthoridLloyd, JM=7402365382en_HK
dc.identifier.scopusauthoridLeng, MJ=55241190300en_HK
dc.identifier.scopusauthoridSwitzer, AD=10738884500en_HK
dc.identifier.scopusauthoridYim, WWS=7007024728en_HK
dc.identifier.scopusauthoridHuang, G=7403425099en_HK

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