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Article: Coastal GIA processes revealed by the early to middle Holocene sea-level history of east China

TitleCoastal GIA processes revealed by the early to middle Holocene sea-level history of east China
Authors
KeywordsHolocene
Sea-level changes
China
Diatoms
GIA
Issue Date2020
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/quascirev
Citation
Quaternary Science Reviews, 2020, v. 233, p. article no. 106249 How to Cite?
AbstractIn order to examine relative sea-level responses to the postglacial ice-volume change and the glacio-hydro isostatic adjustments (GIA), this study investigated the inner part of the Hangzhou Bay, east China, a tectonically relatively stable far-field location, and reconstructed the early to middle Holocene sea-level history. This investigation has established the elevational relationship between modern saltmarsh-mudflat and tidal levels based on diatom analysis for sea-level indicative meaning estimates, produced 17 high-quality sea-level index points, and simulated GIA processes for the study site. These results reveal that the relative sea level rose from −38.3 ± 1.6 m in c. 10,000 cal a BP to the present height by c. 7000 cal. a BP, and the average rate of sea-level rise decreased gradually from 19.6 ± 2.6 mm/a to 2.3 ± 1.5 mm/a during the 3000 years. This period of sea-level history was punctuated by two episodes of accelerated rise around 8200 and 7500 cal a BP. The relative sea level rose to 0.8 ± 1.4 m above msl by c. 6500 cal. a BP, followed by a gradual fall back to the present height at 4500 cal a BP, implying a different response to the potential additional ice melting between 7000 and 4000 cal a BP. A comparison of the sea-level histories between the inner and outer Hangzhou Bay indicates the coastal levering effect due to the marine inundation of the continental shelves. A further comparison between sea-level data from China and Malay Peninsula reveals different GIA effects between the Cathaysia-Yangtze Blocks and the Sundaland Block.
Persistent Identifierhttp://hdl.handle.net/10722/293182
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.558
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiong, H-
dc.contributor.authorZong, Y-
dc.contributor.authorLi, T-
dc.contributor.authorLong, T-
dc.contributor.authorHuang, G-
dc.contributor.authorFu, S-
dc.date.accessioned2020-11-23T08:13:00Z-
dc.date.available2020-11-23T08:13:00Z-
dc.date.issued2020-
dc.identifier.citationQuaternary Science Reviews, 2020, v. 233, p. article no. 106249-
dc.identifier.issn0277-3791-
dc.identifier.urihttp://hdl.handle.net/10722/293182-
dc.description.abstractIn order to examine relative sea-level responses to the postglacial ice-volume change and the glacio-hydro isostatic adjustments (GIA), this study investigated the inner part of the Hangzhou Bay, east China, a tectonically relatively stable far-field location, and reconstructed the early to middle Holocene sea-level history. This investigation has established the elevational relationship between modern saltmarsh-mudflat and tidal levels based on diatom analysis for sea-level indicative meaning estimates, produced 17 high-quality sea-level index points, and simulated GIA processes for the study site. These results reveal that the relative sea level rose from −38.3 ± 1.6 m in c. 10,000 cal a BP to the present height by c. 7000 cal. a BP, and the average rate of sea-level rise decreased gradually from 19.6 ± 2.6 mm/a to 2.3 ± 1.5 mm/a during the 3000 years. This period of sea-level history was punctuated by two episodes of accelerated rise around 8200 and 7500 cal a BP. The relative sea level rose to 0.8 ± 1.4 m above msl by c. 6500 cal. a BP, followed by a gradual fall back to the present height at 4500 cal a BP, implying a different response to the potential additional ice melting between 7000 and 4000 cal a BP. A comparison of the sea-level histories between the inner and outer Hangzhou Bay indicates the coastal levering effect due to the marine inundation of the continental shelves. A further comparison between sea-level data from China and Malay Peninsula reveals different GIA effects between the Cathaysia-Yangtze Blocks and the Sundaland Block.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/quascirev-
dc.relation.ispartofQuaternary Science Reviews-
dc.subjectHolocene-
dc.subjectSea-level changes-
dc.subjectChina-
dc.subjectDiatoms-
dc.subjectGIA-
dc.titleCoastal GIA processes revealed by the early to middle Holocene sea-level history of east China-
dc.typeArticle-
dc.identifier.emailXiong, H: xionghx@hku.hk-
dc.identifier.emailZong, Y: yqzong@hku.hk-
dc.identifier.authorityZong, Y=rp00846-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.quascirev.2020.106249-
dc.identifier.scopuseid_2-s2.0-85080110973-
dc.identifier.hkuros318940-
dc.identifier.volume233-
dc.identifier.spagearticle no. 106249-
dc.identifier.epagearticle no. 106249-
dc.identifier.isiWOS:000525787700018-
dc.publisher.placeUnited Kingdom-

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