| Presentation | 2017-10-04 Distribution of paleo-tsunami deposits in the eastern Taiwan using Ground Penetrating Radar Mamoru Nakamura, Masaya Sokei, How-Wei Chen, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | tsunami sedimemt / GPR / Taiwan |
| Paper # | SANE2017-48 |
| Date of Issue | 2017-09-27 (SANE) |
| Conference Information | |
| Committee | SANE |
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| Conference Date | 2017/10/4(2days) |
| 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 |
| Chair | Sonosuke Fukushima(ENRI) |
| Vice Chair | Toshifumi Moriyama(Nagasaki Univ.) / Akitsugu Nadai(NICT) |
| Secretary | Toshifumi Moriyama(Mitsubishi Electric) / Akitsugu Nadai(ENRI) |
| Assistant | Manabu Akita(Univ. of Electro-Comm.) / Ryo Natsuaki(Univ. of Tokyo) |
| Paper Information | |
| Registration To | Technical Committee on Space, Aeronautical and Navigational Electronics |
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| Language | ENG-JTITLE |
| 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.) |
| Date | 2017-10-04 |
| Paper # | SANE2017-48 |
| Volume (vol) | vol.117 |
| Number (no) | SANE-222 |
| Page | pp.pp.25-30(SANE), |
| #Pages | 6 |
| Date of Issue | 2017-09-27 (SANE) |