File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Reconstruction of Holocene monsoon history from the Pearl River Estuary, southern China, using diatoms and carbon isotope ratios

TitleReconstruction of Holocene monsoon history from the Pearl River Estuary, southern China, using diatoms and carbon isotope ratios
Authors
KeywordsCarbon isotopes
Diatoms
East Asian monsoon
Freshwater flux
Holocene
Modern environment
Pearl River Estuary
Southern China
Issue Date2006
PublisherSage Publications Ltd. The Journal's web site is located at http://hol.sagepub.com
Citation
Holocene, 2006, v. 16 n. 2, p. 251-263 How to Cite?
AbstractThis study employs a multiproxy approach in the reconstruction of Holocene monsoon history from sedimentary sequences obtained from the Pearl River Estuary, southern China. A set of modern surface sediment samples were collected within and outside the estuary, and a sediment core was obtained from the mouth of the estuary. A range of modern environmental variables were recorded including water salinity (summer, winter and annual average) and water depth. The diatom results show a good relationship with water salinity, with marine diatoms dominating the more distal samples from outside the main estuary and freshwater diatoms dominating the proximal samples influenced by higher freshwater flux. This pattern is matched by the bulk organic carbon isotopes. The isotope values vary between - 21.1 ± 0.3‰ for samples from the fully marine environment, between -23.2 ± 0.8‰ and -23.7 ± 0.8‰ for samples from the mid to outer estuary brackish water environment and less than -24.7 ± 1.3‰ for samples from the inner estuary close to the freshwater sources. Similarly, the C/N ratios vary from below 7 ± 0.6 in the marine end-members to over 14.8 ± 3.0 in the freshwater end-members. Both the diatom and carbon data from the sediment core reveal a significant increase in freshwater flux from 8500 cal. yr BP resulting from the enhanced summer monsoon regime in early Holocene. The strength of freshwater flux reached its highest between 7500 and 6000 cal. yr BP. In the last 6000 years, freshwater flux decreased towards present, reflecting a gradual weakening of the summer monsoon. © 2006 Edward Arnold (Publishers) Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/151183
ISSN
2015 Impact Factor: 2.135
2015 SCImago Journal Rankings: 1.147
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZong, Yen_HK
dc.contributor.authorLloyd, JMen_HK
dc.contributor.authorLeng, MJen_HK
dc.contributor.authorYim, WWSen_HK
dc.contributor.authorHuang, Gen_HK
dc.date.accessioned2012-06-26T06:18:23Z-
dc.date.available2012-06-26T06:18:23Z-
dc.date.issued2006en_HK
dc.identifier.citationHolocene, 2006, v. 16 n. 2, p. 251-263en_HK
dc.identifier.issn0959-6836en_HK
dc.identifier.urihttp://hdl.handle.net/10722/151183-
dc.description.abstractThis study employs a multiproxy approach in the reconstruction of Holocene monsoon history from sedimentary sequences obtained from the Pearl River Estuary, southern China. A set of modern surface sediment samples were collected within and outside the estuary, and a sediment core was obtained from the mouth of the estuary. A range of modern environmental variables were recorded including water salinity (summer, winter and annual average) and water depth. The diatom results show a good relationship with water salinity, with marine diatoms dominating the more distal samples from outside the main estuary and freshwater diatoms dominating the proximal samples influenced by higher freshwater flux. This pattern is matched by the bulk organic carbon isotopes. The isotope values vary between - 21.1 ± 0.3‰ for samples from the fully marine environment, between -23.2 ± 0.8‰ and -23.7 ± 0.8‰ for samples from the mid to outer estuary brackish water environment and less than -24.7 ± 1.3‰ for samples from the inner estuary close to the freshwater sources. Similarly, the C/N ratios vary from below 7 ± 0.6 in the marine end-members to over 14.8 ± 3.0 in the freshwater end-members. Both the diatom and carbon data from the sediment core reveal a significant increase in freshwater flux from 8500 cal. yr BP resulting from the enhanced summer monsoon regime in early Holocene. The strength of freshwater flux reached its highest between 7500 and 6000 cal. yr BP. In the last 6000 years, freshwater flux decreased towards present, reflecting a gradual weakening of the summer monsoon. © 2006 Edward Arnold (Publishers) Ltd.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.subjectCarbon isotopesen_HK
dc.subjectDiatomsen_HK
dc.subjectEast Asian monsoonen_HK
dc.subjectFreshwater fluxen_HK
dc.subjectHoloceneen_HK
dc.subjectModern environmenten_HK
dc.subjectPearl River Estuaryen_HK
dc.subjectSouthern Chinaen_HK
dc.titleReconstruction of Holocene monsoon history from the Pearl River Estuary, southern China, using diatoms and carbon isotope ratiosen_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_fulltexten_US
dc.identifier.doi10.1191/0959683606hl911rpen_HK
dc.identifier.scopuseid_2-s2.0-33645418707en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645418707&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume16en_HK
dc.identifier.issue2en_HK
dc.identifier.spage251en_HK
dc.identifier.epage263en_HK
dc.identifier.isiWOS:000236606600009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZong, Y=7005203454en_HK
dc.identifier.scopusauthoridLloyd, JM=7402365382en_HK
dc.identifier.scopusauthoridLeng, MJ=7006497331en_HK
dc.identifier.scopusauthoridYim, WWS=7007024728en_HK
dc.identifier.scopusauthoridHuang, G=7403425099en_HK
dc.identifier.citeulike527087-

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats