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Article: The history of water salinity in the Pearl River estuary, China, during the late Quaternary
Title | The history of water salinity in the Pearl River estuary, China, during the late Quaternary | ||||||||||
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Authors | |||||||||||
Keywords | Deltaic shoreline Diatoms Freshwater discharge Salinity Sea-level change | ||||||||||
Issue Date | 2010 | ||||||||||
Publisher | John 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? | ||||||||||
Abstract | This 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 Identifier | http://hdl.handle.net/10722/124652 | ||||||||||
ISSN | 2023 Impact Factor: 2.8 2023 SCImago Journal Rankings: 0.976 | ||||||||||
ISI Accession Number ID |
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 Field | Value | Language |
---|---|---|
dc.contributor.author | Zong, Y | en_HK |
dc.contributor.author | Yu, F | en_HK |
dc.contributor.author | Huang, G | en_HK |
dc.contributor.author | Lloyd, JM | en_HK |
dc.contributor.author | Yim, WWS | en_HK |
dc.date.accessioned | 2010-10-31T10:46:33Z | - |
dc.date.available | 2010-10-31T10:46:33Z | - |
dc.date.issued | 2010 | en_HK |
dc.identifier.citation | Earth Surface Processes And Landforms, 2010, v. 35 n. 10, p. 1221-1233 | en_HK |
dc.identifier.issn | 0197-9337 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/124652 | - |
dc.description.abstract | This 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.language | eng | en_HK |
dc.publisher | John Wiley & Sons Ltd. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/2388 | en_HK |
dc.relation.ispartof | Earth Surface Processes and Landforms | en_HK |
dc.rights | Earth Surface Processes and Landforms. Copyright © John Wiley & Sons Ltd. | - |
dc.subject | Deltaic shoreline | en_HK |
dc.subject | Diatoms | en_HK |
dc.subject | Freshwater discharge | en_HK |
dc.subject | Salinity | en_HK |
dc.subject | Sea-level change | en_HK |
dc.title | The history of water salinity in the Pearl River estuary, China, during the late Quaternary | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+Quaternary | en_HK |
dc.identifier.email | Zong, Y: yqzong@hku.hk | en_HK |
dc.identifier.email | Yim, WWS: wwsyim@hku.hk | en_HK |
dc.identifier.authority | Zong, Y=rp00846 | en_HK |
dc.identifier.authority | Yim, WWS=rp01746 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1002/esp.2030 | en_HK |
dc.identifier.scopus | eid_2-s2.0-77955752045 | en_HK |
dc.identifier.hkuros | 174674 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-77955752045&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 35 | en_HK |
dc.identifier.issue | 10 | en_HK |
dc.identifier.spage | 1221 | en_HK |
dc.identifier.epage | 1233 | en_HK |
dc.identifier.isi | WOS:000280874200008 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Zong, Y=7005203454 | en_HK |
dc.identifier.scopusauthorid | Yu, F=35747418400 | en_HK |
dc.identifier.scopusauthorid | Huang, G=7403425099 | en_HK |
dc.identifier.scopusauthorid | Lloyd, JM=7402365382 | en_HK |
dc.identifier.scopusauthorid | Yim, WWS=7007024728 | en_HK |
dc.identifier.issnl | 0197-9337 | - |