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Paper Abstract and Keywords
Presentation 2017-10-04 16:20
Distribution of paleo-tsunami deposits in the eastern Taiwan using Ground Penetrating Radar
Mamoru Nakamura, Masaya Sokei (Univ. of Ryukyus), How-Wei Chen (National Central Univ.) SANE2017-48
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated the distribution of the tsunami sediments layer at the eastern coast of Taiwan using Ground Penetrating Radar (GPR). The survey was conducted in the terraces at the altitudes ranging 18 to 20 m in the suburb of Chenggong Town in the northeastern part of Taitung County. The terrace was formed between 4000 and 6000 years ago, and the sandy silt with round gravels layer overlaid the silt with cobble-boulder layer. The result of GPR survey at the frequencies of 500 MHz and 250 MHz showed that the sandy silt layer with gravels was imaged as dense scattered area. The coral and shell fragments were concentrated at the depth of 20-40 cm in the sandy silt layer. The ages of the coral fragments in the sandy silt layer showed the values from 1847 to 1702 cal. yr BP, which is younger than that of the terrace formation. This suggests that they have been transported and deposited by tsunamis or large waves after the terrace formation. If the transportation is due to the tsunami, the tsunami would have occurred after 1900 years ago.
Keyword (in Japanese) (See Japanese page) 
(in English) tsunami sedimemt / GPR / Taiwan / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 222, SANE2017-48, pp. 25-30, Oct. 2017.
Paper # SANE2017-48 
Date of Issue 2017-09-27 (SANE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SANE  
Conference Date 2017-10-04 - 2017-10-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Maison franco - japonaise (Tokyo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 14th workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2017-10-SANE 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Distribution of paleo-tsunami deposits in the eastern Taiwan using Ground Penetrating Radar 
Sub Title (in English)  
Keyword(1) tsunami sedimemt  
Keyword(2) GPR  
Keyword(3) Taiwan  
1st Author's Name Mamoru Nakamura  
1st Author's Affiliation University of the Ryukyus (Univ. of Ryukyus)
2nd Author's Name Masaya Sokei  
2nd Author's Affiliation University of the Ryukyus (Univ. of Ryukyus)
3rd Author's Name How-Wei Chen  
3rd Author's Affiliation National Central University (National Central Univ.)
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Date Time 2017-10-04 16:20:00 
Presentation Time 40 
Registration for SANE 
Paper # IEICE-SANE2017-48 
Volume (vol) IEICE-117 
Number (no) no.222 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-SANE-2017-09-27 

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