Long-term Observation of Underwater Ambient Noise at the Ieodo Ocean Research Station in Korea

Title
Long-term Observation of Underwater Ambient Noise at the Ieodo Ocean Research Station in Korea
Author(s)
김병남; 정섬규; 최복경; 김봉채; 심재설
KIOST Author(s)
Kim, Byoung Nam(김병남)Choi, Bok Kyoung(최복경)
Publication Year
2015-03-16
Abstract
The Ieodo Ocean Research Station(IORS) is an integrated meteorological and oceanographic observation base which was first constructed in Korea. It was constructed at the Ieodo underwater rock located at a distance of about 150 km to the south-east of the Mara-do, the southernmost island in Korea. The structure is of a fixed jacket type installed at a water depth of 40 m. In order to understand the characteristics of oceanic ambient noise at the station, the ambient noise was measured during 12 months from April 2009 to March 2010. The ambient noise levels at around 300 Hz and 2.5 kHz represented good correlation with the wind speed and significant wave height at IORS. This study also shows that the ambient noise levels above 5 kHz at IORS can be affected by the activity of the snapping shrimp, which is related to the wind speed as well as the seawater temperature.th-east of the Mara-do, the southernmost island in Korea. The structure is of a fixed jacket type installed at a water depth of 40 m. In order to understand the characteristics of oceanic ambient noise at the station, the ambient noise was measured during 12 months from April 2009 to March 2010. The ambient noise levels at around 300 Hz and 2.5 kHz represented good correlation with the wind speed and significant wave height at IORS. This study also shows that the ambient noise levels above 5 kHz at IORS can be affected by the activity of the snapping shrimp, which is related to the wind speed as well as the seawater temperature.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/25657
Bibliographic Citation
UNDER WATER TECHNOLOGY 2015, pp.1 - 3, 2015
Publisher
IEEE
Type
Conference
Language
English
Publisher
IEEE
Related Researcher
Research Interests

Underwater Acoustics,Bubble Acoustics,Marine Defense & Safety,수중음향,기포음향,해양방위·안전

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