Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/157194
Title: Coastal GIA processes revealed by the early to middle Holocene sea-level history of east China
Authors: Xiong, Haixian
Zong, Yongqiang
Li, Tanghua
Long, Tengwen
Huang, Guangqing
Fu, Shuqing
Keywords: Science::Geology
Issue Date: 2020
Source: Xiong, H., Zong, Y., Li, T., Long, T., Huang, G. & Fu, S. (2020). Coastal GIA processes revealed by the early to middle Holocene sea-level history of east China. Quaternary Science Reviews, 233, 106249-. https://dx.doi.org/10.1016/j.quascirev.2020.106249
Project: MOE2018-T2-1-030 
Journal: Quaternary Science Reviews 
Abstract: In 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.
URI: https://hdl.handle.net/10356/157194
ISSN: 0277-3791
DOI: 10.1016/j.quascirev.2020.106249
Rights: © 2020 Elsevier Ltd. All rights reserved. This paper was published in Quaternary Science Reviews and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EOS Journal Articles

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