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| Presentation | 2009-11-03 15:25 Verification Field Test of the Microwave Emission due to Rock Crash -- Its Background and Obtained Results -- Tadashi Takano (JAXA/Nihon Univ), Takashi Maeda, Yoji Miki, Sayo Akatsuka (JAXA), Shingo Yoshida (Univ. of Tokyo), Kohei Nagata (Univ of Tokyo), Katsumi Hattori, Masahide Nishihashi, Daishi Kaida, Takuya Hirano (Chiba Univ)  SANE2009-122 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | rowave emission due to rock fracture was found in the experiments in our laboratory. Rock fractures are expected to be association with earthquakes and volcanic activities so that the data of remote sensing satellites have been successfully processed to show the microwave. However, for the verification purpose of the methodological availability, a volcanic activity may be more convenient than an earthquake because of the known location and hopefully time. In order to verify the microwave emission in volcanic activities, a field test was planned at Oyama volcano at Miyake-jima about 100 km south of Tokyo. We developed a measuring system and installed it at Miyake-jima. . This paper presents the background of this research, the outline of the field test, and the obtained results. The observation has been carried out from November 2007 with several interruptions. First, we confirmed the obtained data, then, checked the correlation with several factors such as lightening and ground quakes. The contamination of microwaves due to lightening was not observed in the concerned data. The correlation between the microwaves and ground quakes is significant. Accordingly, we can conclude that the microwaves are emitted from the above-mentioned rock fractures. In the future, microwaves could be used to detect an earthquake as well as a volcanic activity because the microwave can penetrate the ionosphere to reach a satellite in orbit. However, the relation between a rock fracture and quakes has not been clarified at all, and is left to the future research. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Microwave emission, / Rock crash, / Detection, / Earthquake, / Volcanic activities, / Field test, / Miyake-jima / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 265, SANE2009-122, pp. 223-228, Nov. 2009. | |
| Paper # | SANE2009-122 | |
| Date of Issue | 2009-10-26 (SANE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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) | |
| Download PDF | SANE2009-122 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2009-11-01 - 2009-11-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Fudan University (Shanghai) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | WSANE 2009 (Workshop for Space, Aeronautical and Navigational Electronics) |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2009-11-SANE |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Verification Field Test of the Microwave Emission due to Rock Crash |
| Sub Title (in English) | Its Background and Obtained Results |
| Keyword(1) | Microwave emission, |
| Keyword(2) | Rock crash, |
| Keyword(3) | Detection, |
| Keyword(4) | Earthquake, |
| Keyword(5) | Volcanic activities, |
| Keyword(6) | Field test, |
| Keyword(7) | Miyake-jima |
| Keyword(8) | |
| 1st Author's Name | Tadashi Takano |
| 1st Author's Affiliation | Japan Aeronautical Exploration Agency/Nihon University (JAXA/Nihon Univ) |
| 2nd Author's Name | Takashi Maeda |
| 2nd Author's Affiliation | Japan Aeronautical Exploration Agency (JAXA) |
| 3rd Author's Name | Yoji Miki |
| 3rd Author's Affiliation | Japan Aeronautical Exploration Agency (JAXA) |
| 4th Author's Name | Sayo Akatsuka |
| 4th Author's Affiliation | Japan Aeronautical Exploration Agency (JAXA) |
| 5th Author's Name | Shingo Yoshida |
| 5th Author's Affiliation | University of Tokyo (Univ. of Tokyo) |
| 6th Author's Name | Kohei Nagata |
| 6th Author's Affiliation | University of Tokyo (Univ of Tokyo) |
| 7th Author's Name | Katsumi Hattori |
| 7th Author's Affiliation | Chiba University (Chiba Univ) |
| 8th Author's Name | Masahide Nishihashi |
| 8th Author's Affiliation | Chiba University (Chiba Univ) |
| 9th Author's Name | Daishi Kaida |
| 9th Author's Affiliation | Chiba University (Chiba Univ) |
| 10th Author's Name | Takuya Hirano |
| 10th Author's Affiliation | Chiba University (Chiba Univ) |
| Speaker | Author-1 |
| Date Time | 2009-11-03 15:25:00 |
| Presentation Time | 20 minutes |
| Registration for | SANE |
| Paper # | SANE2009-122 |
| Volume (vol) | vol.109 |
| Number (no) | no.265 |
| Page | pp.223-228 |
| #Pages | 6 |
| Date of Issue | 2009-10-26 (SANE) |
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