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Paper Abstract and Keywords
Presentation 2023-06-20 14:55
Development and evaluation of an underwater environmental condition observation network system utilizing underwater drones
Kenshin Iwaki, Hiroshi Yamamoto (Ritsumeikan) IA2023-4 ICSS2023-4
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the underwater environment of Lake Biwa has been experiencing prolonged hypoxic conditions during the summer season, which has led to a challenging habitat for aquatic creatures dwelling at the lake bed. There are two primary reasons for the conditions. The first reason is an uneven topography of the lake bed. The second reason is that stratification occurs in the lake because the surface of the lake gets warm and confines oxygen to the upper layer without spreading throughout. Furthermore, organisms residing in the under-oxygenated lower layer continually consume the dissolved oxygen, which results in forming areas with a lower concentration of dissolved oxygen. To monitor such aquatic conditions, devices equipped with measurement functions of dissolved oxygen such as smart buoys have been proposed. However, the observation range is limited in the vicinity of the position where the buoy is placed, hence it is unable to observe the conditions of the lake comprehensively. Therefore, this study aims to develop a sensing system to comprehensively monitor the underwater conditions using small under- water drones equipped with various measuring devices in real-time. The proposed system observes the underwater environment using an underwater drone equipped with a small computer and various sensors. After that, the obtained data is analyzed to visualize the three-dimensional structure of the lake bed and the distribution of dissolved oxygen at the lake bed as heat maps.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / LPWA / underwater drones / ocean sensing / edge computing / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 85, IA2023-4, pp. 19-24, June 2023.
Paper # IA2023-4 
Date of Issue 2023-06-13 (IA, ICSS) 
ISSN 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 IA2023-4 ICSS2023-4

Conference Information
Committee IA ICSS  
Conference Date 2023-06-20 - 2023-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet Security, etc. 
Paper Information
Registration To IA 
Conference Code 2023-06-IA-ICSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and evaluation of an underwater environmental condition observation network system utilizing underwater drones 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) LPWA  
Keyword(3) underwater drones  
Keyword(4) ocean sensing  
Keyword(5) edge computing  
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1st Author's Name Kenshin Iwaki  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan)
2nd Author's Name Hiroshi Yamamoto  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan)
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Speaker Author-1 
Date Time 2023-06-20 14:55:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # IA2023-4, ICSS2023-4 
Volume (vol) vol.123 
Number (no) no.85(IA), no.86(ICSS) 
Page pp.19-24 
#Pages 6 
Date of Issue 2023-06-13 (IA, ICSS) 

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