An abrupt backreef infilling in a Holocene reef, Paraoir, Northwestern Luzon, Philippines

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題名:	An abrupt backreef infilling in a Holocene reef, Paraoir, Northwestern Luzon, Philippines
作者:	吳祚任;Gong, Shou-Yeh;Wu, Tso-Ren;Siringan, Fernando P.;Lin, Ke;Shen, Chuan-Chou
貢獻者:	地球科學學院水文與海洋科學研究所
關鍵詞:	Animal and plant ecology;Animal, plant and microbial ecology;Biological and medical sciences;Biomedical and Life Sciences;Cnidaria. Ctenaria;Coral reefs;Cyclones;Freshwater & Marine Ecology;Fundamental and applied biological sciences. Psychology;Geological time;Holocene;Invertebrates;Life Sciences;Oceanography;Sea water ecosystems;Synecology;Tropical cyclones;Tsunamis
日期:	2013-01-01
上傳時間:	2026-04-23 11:07:35 (UTC+8)
出版者:	Springer Verlag;Berlin/Heidelberg: Springer Science and Business Media LLC
摘要:	摘要： We describe a sudden backreef infilling at the west coast of Luzon, Philippines, which occurred after 324 ± 12 yr ago (year BP, before 1950 AD). Results of 30 230 Th-dated fossil corals from the surface and 5 cores, 17–29.1 m in length, recovered from a Holocene reef at Paraoir show that the reef flat developed in two stages. The reef margin is dated at 10,256 ± 50 (2 σ ) yr BP at 23.9 m below mean sea level (MSL) and about 6,654 ± 29 yr BP at 3.7 m below MSL with ages increasing with depth. The reef flat was formed with sediments of 818–324 yr BP old, which do not follow an age–depth correlation. The evidence suggests that a backreef moat remained empty throughout the buildup of the reef for about 6 kyr and was filled abruptly with a 26-m-thick succession of rubble and bioclastics by an extreme wave event (EWE) after 324 ± 12 yr BP. Field evidence, historical records, and tsunami simulation suggest the EWE sedimentation was likely caused by a single severe tropical cyclone, although the possibility of tsunami is not ruled out. The Paraoir reef flat was built up in a mode different from previously reported cases of Holocene reefs. 其他題名： Coral Reefs 出版者： Berlin/Heidelberg: Springer Science and Business Media LLC 出版日期： 2013-03-01 出處： Coral Reefs, 2013-03, Vol.32 (1), p.293-303 資源來源： Agricultural & Environmental Science Collection 版權： Springer-Verlag Berlin Heidelberg 2012 版權： 2015 INIST-CNRS 版權： Springer-Verlag Berlin Heidelberg 2013 識別號： ISSN: 0722-4028 識別號： EISSN: 1432-0975 識別號： DOI: 10.1007/s00338-012-0982-0 識別號： CODEN: CORFDL
顯示於類別:	[水文與海洋科學研究所] 期刊論文

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