The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula
This study was conducted to (1) investigate a former mangrove wetland on the east coast of Peninsular Malaysia near Kuantan and produce new sea-level index points (SLIP), and to (2) re-analyzed the modern vegetation and pollen results from a mangrove-swamp transect within the nearby estuary to estab...
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sg-ntu-dr.10356-1571922022-05-14T20:11:07Z The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula Zhang, Yaze Zong, Yongqiang Xiong, Haixian Li, Tanghua Fu, Shuqing Huang, Guangqing Zheng, Zhuo Earth Observatory of Singapore Science::Geology Sea-Level History Sea-Level Highstand Levering Effect Malay Peninsula This study was conducted to (1) investigate a former mangrove wetland on the east coast of Peninsular Malaysia near Kuantan and produce new sea-level index points (SLIP), and to (2) re-analyzed the modern vegetation and pollen results from a mangrove-swamp transect within the nearby estuary to establish the relationship between vegetation zones and tidal levels for estimating indicative meanings (IM) for the SLIPs. The results indicate that the modern floral and pollen zones match well with the fossil ones, and four IMs were appropriately established. Combining with the recently published SLIPs from Terengganu, the 15 new SLIPs from Kuantan were used to reconstruct the middle-to-late Holocene relative sea-level (RSL) history for the east coast of the Malay Peninsula. This history shows that the RSL reached c. 1.5 m msl around 6500 cal. a BP and rose to c. 2.0 m msl by 4500 cal. a BP. This phase of RSL rise in this far-field site supports the hypothesis that additional ice melting occurred between 7000 and 4000 cal. a BP. During this phase of RSL rise, erosion and redeposition of estuarine sediments occurred at the study site. Since 4000 cal. a BP, the RSL fell gradually to below the present height by 800 cal. a BP. In general, this RSL history matches well with the GIA model with the ICE4G melting history. Furthermore, the SLIPs from the east coast are systematically lower in elevation than those recorded in the west coast. The difference is about 1.5 m in the beginning of the middle Holocene and it decreases gradually towards the late Holocene. This difference, thus, implies the existence of continental levering during the Holocene. Ministry of Education (MOE) National Research Foundation (NRF) Submitted/Accepted version This research was supported financially jointly by Research Grant Council of Hong Kong (HKU17315316 and HKU17311816), Guangdong Academy of Sciences (2016GDASRC-0209) and the National Natural Science Foundation of China (41630753). Author T. Li was funded by the Singapore Ministry of Education Academic Research Fund MOE2019-T3-1-004 and MOE2018- T2-1-030, the National Research Foundation Singapore and the Singapore Ministry of Education under the Research Centres of Excel- lence initiative, and his work comprises Earth Observatory of Singapore contribution number 331. The modelling results in this study were produced through the support of the HKU’s HPC facility. This paper is a contribution to IGCP Project 639 ‘Sea Level Changes from Minutes to Millennia’. 2022-05-10T00:57:40Z 2022-05-10T00:57:40Z 2021 Journal Article Zhang, Y., Zong, Y., Xiong, H., Li, T., Fu, S., Huang, G. & Zheng, Z. (2021). The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula. Global and Planetary Change, 196, 103369-. https://dx.doi.org/10.1016/j.gloplacha.2020.103369 0921-8181 https://hdl.handle.net/10356/157192 10.1016/j.gloplacha.2020.103369 2-s2.0-85096161516 196 103369 en MOE2019-T3-1-004 MOE2018-T2-1-030 Global and Planetary Change © 2020 Elsevier B.V.. All rights reserved. This paper was published in Global and Planetary Change and is made available with permission of Elsevier B.V. application/pdf |
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Science::Geology Sea-Level History Sea-Level Highstand Levering Effect Malay Peninsula Zhang, Yaze Zong, Yongqiang Xiong, Haixian Li, Tanghua Fu, Shuqing Huang, Guangqing Zheng, Zhuo The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
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This study was conducted to (1) investigate a former mangrove wetland on the east coast of Peninsular Malaysia near Kuantan and produce new sea-level index points (SLIP), and to (2) re-analyzed the modern vegetation and pollen results from a mangrove-swamp transect within the nearby estuary to establish the relationship between vegetation zones and tidal levels for estimating indicative meanings (IM) for the SLIPs. The results indicate that the modern floral and pollen zones match well with the fossil ones, and four IMs were appropriately established. Combining with the recently published SLIPs from Terengganu, the 15 new SLIPs from Kuantan were used to reconstruct the middle-to-late Holocene relative sea-level (RSL) history for the east coast of the Malay Peninsula. This history shows that the RSL reached c. 1.5 m msl around 6500 cal. a BP and rose to c. 2.0 m msl by 4500 cal. a BP. This phase of RSL rise in this far-field site supports the hypothesis that additional ice melting occurred between 7000 and 4000 cal. a BP. During this phase of RSL rise, erosion and redeposition of estuarine sediments occurred at the study site. Since 4000 cal. a BP, the RSL fell gradually to below the present height by 800 cal. a BP. In general, this RSL history matches well with the GIA model with the ICE4G melting history. Furthermore, the SLIPs from the east coast are systematically lower in elevation than those recorded in the west coast. The difference is about 1.5 m in the beginning of the middle Holocene and it decreases gradually towards the late Holocene. This difference, thus, implies the existence of continental levering during the Holocene. |
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Earth Observatory of Singapore |
author_facet |
Earth Observatory of Singapore Zhang, Yaze Zong, Yongqiang Xiong, Haixian Li, Tanghua Fu, Shuqing Huang, Guangqing Zheng, Zhuo |
format |
Article |
author |
Zhang, Yaze Zong, Yongqiang Xiong, Haixian Li, Tanghua Fu, Shuqing Huang, Guangqing Zheng, Zhuo |
author_sort |
Zhang, Yaze |
title |
The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
title_short |
The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
title_full |
The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
title_fullStr |
The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
title_full_unstemmed |
The middle-to-late Holocene relative sea-level history, highstand and levering effect on the east coast of Malay Peninsula |
title_sort |
middle-to-late holocene relative sea-level history, highstand and levering effect on the east coast of malay peninsula |
publishDate |
2022 |
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https://hdl.handle.net/10356/157192 |
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1734310233665175552 |