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Paper Abstract and Keywords
Presentation 2019-08-28 13:00
Theory and examples of nano-scale ocean fields observable by GNSS-A
Yusuke Yokota (Univ. Tokyo), Tadashi Ishikawa, Shun-ichi Watanabe, Yuto Nakamura (JHOD) US2019-37
Abstract (in Japanese) (See Japanese page) 
(in English) GNSS-A is a technology to determine the precise deformation of the seafloor in the centimeter-order and discovered some important phenomena in seismology and earthquake disaster prevention engineering. In recent years, we have been developing analytical technology to estimate the amount of error received from ocean fields in acoustic ranging and have achieved improvement in observation accuracy. A field extracted by this analysis technique is a gradient state of a sound speed structure in the ocean. This extracted field is a combination of a global ocean field and a very narrow local field. Through comparison with the ocean model, our studies suggested that a real sound speed structure could be observed to some extent properly in this analysis. In this paper, we outline the extraction theory and explain some cases of extraction fields.
Keyword (in Japanese) (See Japanese page) 
(in English) GNSS-A / Oceanography / Kuroshio / Oyashio / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 184, US2019-37, pp. 1-4, Aug. 2019.
Paper # US2019-37 
Date of Issue 2019-08-21 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee US  
Conference Date 2019-08-28 - 2019-08-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To US 
Conference Code 2019-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Theory and examples of nano-scale ocean fields observable by GNSS-A 
Sub Title (in English)  
Keyword(1) GNSS-A  
Keyword(2) Oceanography  
Keyword(3) Kuroshio  
Keyword(4) Oyashio  
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1st Author's Name Yusuke Yokota  
1st Author's Affiliation University of Tokyo (Univ. Tokyo)
2nd Author's Name Tadashi Ishikawa  
2nd Author's Affiliation Hydrographic and Oceanographic Department, Japan Coast Guard (JHOD)
3rd Author's Name Shun-ichi Watanabe  
3rd Author's Affiliation Hydrographic and Oceanographic Department, Japan Coast Guard (JHOD)
4th Author's Name Yuto Nakamura  
4th Author's Affiliation Hydrographic and Oceanographic Department, Japan Coast Guard (JHOD)
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Speaker Author-1 
Date Time 2019-08-28 13:00:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2019-37 
Volume (vol) vol.119 
Number (no) no.184 
Page pp.1-4 
#Pages
Date of Issue 2019-08-21 (US) 


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