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Article: The history of water salinity in the Pearl River estuary, China, during the late Quaternary

TitleThe history of water salinity in the Pearl River estuary, China, during the late Quaternary
Authors
KeywordsDeltaic shoreline
Diatoms
Freshwater discharge
Salinity
Sea-level change
Issue Date2010
PublisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/2388
Citation
Earth Surface Processes And Landforms, 2010, v. 35 n. 10, p. 1221-1233 How to Cite?
AbstractThis research reconstructed the Late Quaternary salinity history of the Pearl River estuary, China, from diatom records of four sedimentary cores. The reconstruction was produced through the application of a diatom-salinity transfer function developed based on 77 modern surface sediment samples collected across the estuary from shallow marine environment to deltaic distributaries. The statistical analysis indicates that the majority of sediment samples from the cores has good modern analogues, thus the reconstructions are reliable. The reconstructed salinity history shows the older estuarine sequence formed during the last interglacial was deposited under similar salinity conditions to the younger estuarine sequence, which was formed during the present interglacial. Further analysis into the younger estuarine sequence reveals the interplays between sea level, monsoon-driven freshwater discharge, and deltaic shoreline movement, key factors that have influenced water salinity in the estuary. In particular, a core from the delta plain shows the effects of sea-level change and deltaic progradation, while cores from the mouth region of the estuary reveal changes of monsoon-driven freshwater discharge. This study demonstrates the advantages of quantitative salinity reconstructions to improve the quality of reconstruction and allow direct comparison with other quantitative records and the instrumentally observed values of salinity. © 2010 John Wiley & Sons, Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/124652
ISSN
2015 Impact Factor: 3.505
2015 SCImago Journal Rankings: 1.574
ISI Accession Number ID
Funding AgencyGrant Number
National Science Foundation of China40771218
Research Grants Council of the Hong Kong SAR, ChinaHKU7058/06P
HKU7052/08P
Dorothy Hodgkin Postgraduate AwardNERC/EPSRC 05-08
Natural Environment Research Council (UK) Radiocarbon Laboratory Steering Committee1150.1005
Funding Information:

This research is supported by a research grant from the National Science Foundation of China (No. 40771218) to Huang and Zong, two research grants from the Research Grants Council of the Hong Kong SAR, China (No. HKU7058/06P and HKU7052/08P) to Vim and a NERC/EPSRC 05-08 (UK) PhD studentship from the Dorothy Hodgkin Postgraduate Award to Yu. This research is also supported partially by four radiocarbon dates awarded by the Natural Environment Research Council (UK) Radiocarbon Laboratory Steering Committee (No. 1150.1005). The authors thank the director of the Environmental Protection Department, Hong Kong SAR for the collection of surface sediment samples and water salinity in the Hong Kong area.

References

 

DC FieldValueLanguage
dc.contributor.authorZong, Yen_HK
dc.contributor.authorYu, Fen_HK
dc.contributor.authorHuang, Gen_HK
dc.contributor.authorLloyd, JMen_HK
dc.contributor.authorYim, WWSen_HK
dc.date.accessioned2010-10-31T10:46:33Z-
dc.date.available2010-10-31T10:46:33Z-
dc.date.issued2010en_HK
dc.identifier.citationEarth Surface Processes And Landforms, 2010, v. 35 n. 10, p. 1221-1233en_HK
dc.identifier.issn0197-9337en_HK
dc.identifier.urihttp://hdl.handle.net/10722/124652-
dc.description.abstractThis research reconstructed the Late Quaternary salinity history of the Pearl River estuary, China, from diatom records of four sedimentary cores. The reconstruction was produced through the application of a diatom-salinity transfer function developed based on 77 modern surface sediment samples collected across the estuary from shallow marine environment to deltaic distributaries. The statistical analysis indicates that the majority of sediment samples from the cores has good modern analogues, thus the reconstructions are reliable. The reconstructed salinity history shows the older estuarine sequence formed during the last interglacial was deposited under similar salinity conditions to the younger estuarine sequence, which was formed during the present interglacial. Further analysis into the younger estuarine sequence reveals the interplays between sea level, monsoon-driven freshwater discharge, and deltaic shoreline movement, key factors that have influenced water salinity in the estuary. In particular, a core from the delta plain shows the effects of sea-level change and deltaic progradation, while cores from the mouth region of the estuary reveal changes of monsoon-driven freshwater discharge. This study demonstrates the advantages of quantitative salinity reconstructions to improve the quality of reconstruction and allow direct comparison with other quantitative records and the instrumentally observed values of salinity. © 2010 John Wiley & Sons, Ltd.en_HK
dc.languageengen_HK
dc.publisherJohn Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/2388en_HK
dc.relation.ispartofEarth Surface Processes and Landformsen_HK
dc.rightsEarth Surface Processes and Landforms. Copyright © John Wiley & Sons Ltd.-
dc.subjectDeltaic shorelineen_HK
dc.subjectDiatomsen_HK
dc.subjectFreshwater dischargeen_HK
dc.subjectSalinityen_HK
dc.subjectSea-level changeen_HK
dc.titleThe history of water salinity in the Pearl River estuary, China, during the late Quaternaryen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0197-9337&volume=35&issue=10&spage=1221&epage=1233&date=2010&atitle=The+history+of+water+salinity+in+the+Pearl+River+estuary,+China,+during+the+Late+Quaternaryen_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.doi10.1002/esp.2030en_HK
dc.identifier.scopuseid_2-s2.0-77955752045en_HK
dc.identifier.hkuros174674en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77955752045&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume35en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1221en_HK
dc.identifier.epage1233en_HK
dc.identifier.isiWOS:000280874200008-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZong, Y=7005203454en_HK
dc.identifier.scopusauthoridYu, F=35747418400en_HK
dc.identifier.scopusauthoridHuang, G=7403425099en_HK
dc.identifier.scopusauthoridLloyd, JM=7402365382en_HK
dc.identifier.scopusauthoridYim, WWS=7007024728en_HK

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