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Title: A new Holocene sea-level record for Singapore
Authors: Chua, Stephen
Switzer, Adam D.
Li, Tanghua
Chen, Huixian
Christie, Margaret
Shaw, Timothy Adam
Khan, Nicole S.
Bird, Michael I.
Horton, Benjamin Peter
Keywords: Science::Geology
Issue Date: 2021
Source: Chua, S., Switzer, A. D., Li, T., Chen, H., Christie, M., Shaw, T. A., Khan, N. S., Bird, M. I. & Horton, B. P. (2021). A new Holocene sea-level record for Singapore. Holocene, 31(9), 1376-1390.
Project: M4430132.B50-2014 
M4430245. B50-2017 
Journal: Holocene 
Abstract: Relative sea-level (RSL) records from far-field regions distal from ice sheets remain poorly understood, particularly in the early Holocene. Here, we extended the Holocene RSL data from Singapore by producing early Holocene sea-level index points (SLIPs) and limiting dates from a new ~40 m sediment core. We merged new and published RSL data to construct a standardized Singapore RSL database consisting of 88 SLIPs and limiting data. In the early Holocene, RSL rose rapidly from −21.0 to −0.7 m from ~9500 to 7000 cal. yrs. BP. Thereafter, the rate of RSL rise decelerated, reaching a mid-Holocene highstand of 4.0 ± 4.5 m at 5100 cal. yrs. BP, before falling to its present level. There is no evidence of any inflections in RSL when the full uncertainty of SLIPs is considered. When combined with other standardized data from the Malay-Thai Peninsula, our results also show substantial misfits between regional RSL reconstructions and glacial isostatic adjustment (GIA) model predictions in the rate of early Holocene RSL rise, the timing of the mid-Holocene highstand and the nature of late-Holocene RSL fall towards the present. It is presently unknown whether these misfits are caused by regional processes, such as subsidence of the continental shelf, or inaccurate parameters used in the GIA model.
ISSN: 0959-6836
DOI: 10.1177/09596836211019096
DOI (Related Dataset): 10.21979/N9/SV85OM
Schools: Asian School of the Environment 
Research Centres: Earth Observatory of Singapore 
Rights: © 2021 The Author(s). (published by SAGE). This is an open-access article distributed under the terms of the Creative Commons Attribution License.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ASE Journal Articles
EOS Journal Articles

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