Influence of gassy sediments on low-frequency acoustic wave propagation in shallow water environments

Title
Influence of gassy sediments on low-frequency acoustic wave propagation in shallow water environments
Author(s)
조성호; 박지성; 강돈혁; 정섬규; 유이선; 손수욱
KIOST Author(s)
Cho, Sung Ho(조성호)Kang, Don Hyug(강돈혁)Yoo, Lee Sun(유이선)
Alternative Author(s)
조성호; 박지성; 강돈혁; 정섬규; 유이선
Publication Year
2018-11-01
Abstract
To understand the propagation characteristics of the low-frequency band by gas sediments, the
sound source moved from the north to the south. The RLs gradually increased with approach to the hydrophone, and reached its highest level at the closest point of approach (CPA) nearest the hydrophone. The RLs from the CPA to the boundary line separating the gas area decreased with the same slope. However, after the sound source entered the area where the gas layer was present, the reduction ratio of the RLs decreased rapidly, due to the effects of the gas bubbles in the sediment.e closest point of approach (CPA) nearest the hydrophone. The RLs from the CPA to the boundary line separating the gas area decreased with the same slope. However, after the sound source entered the area where the gas layer was present, the reduction ratio of the RLs decreased rapidly, due to the effects of the gas bubbles in the sediment.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/22929
Bibliographic Citation
The 39th Symposium on UltraSonic Electronics (USE2018), pp.1 - 2, 2018
Publisher
USE2018
Type
Conference
Language
English
Publisher
USE2018
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