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2020 Vol.39, Issue 6 Preview Page

Research Article

Analysis of the influence of ship traffic and marine weather information on underwater ambient noise using public data

공공데이터를 활용한 선박 통행량 및 해양기상정보의 수중 주변소음에 대한 영향성 분석

Yong Guk Kim12*
,
Young Min Kook1
,
Dong Gwan Kim1
,
Kyucheol Kim1
,
Sang Ki Youn1
,
Chang-Ho Choi1
,
Hong Kook Kim2
김 용국12*
,
국 영민1
,
김 동관1
,
김 규철1
,
윤 상기1
,
최 창호1
,
김 홍국2
1LIG넥스원 해양연구소
2광주과학기술원 전기전자컴퓨터공학부
*Corresponding Author
30 November 2020. pp. 606-614
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Abstract

In this paper, we analyze the influences of ship traffic and marine weather information on underwater ambient noise. Ambient noise is an important environmental factor that greatly affects the detection performance of underwater sonar systems. In order to implement an automated system such as prediction of detection performance using artificial intelligence technology, which has been recently studied, it is necessary to obtain and analyze major data related to these. The main sources of ambient noise have various causes. In the case of sonar systems operating in offshore seas, the detection performance is greatly affected by the noise caused by ship traffic and marine weather. Therefore, in this paper, the impact of each data was analyzed using the measurement results of ambient noise obtained in coastal area of the East Sea of Korea, and public data of nearby ship traffic and ocean weather information. As a result, it was observed that the underwater ambient noise was highly correlated with the change of the ship's traffic volume, and that marine environment factors such as wind speed, wave height, and rainfall had an effect on a specific frequency band.

Keywords
Marine noise
Sonar system
Public data
Marine environment
Underwater ambient noise

본 논문에서는 수중 주변소음 생성에 주요한 영향을 끼치는 선박 통행량 및 해양기상정보와 수중 주변소음간 영향성을 분석한다. 주변소음은 수중 소나 시스템의 탐지 성능에 큰 영향을 끼치는 중요한 환경 요소이다. 최근에 많은 연구가 진행 중인 인공지능 기술을 이용한 탐지성능 예측 등 자동화 시스템 구현을 위하여 이와 관련된 주요 데이터 확보 및 분석이 필요하다. 주변소음의 주요 발생원은 다양한 원인이 있는데, 연근해에서 운용되는 소나 시스템의 경우 탐지 성능에 있어서 선박 통행에 의한 소음 및 해양 기상에 의해 발생하는 소음의 영향을 크게 받는다. 따라서 본 논문에서는 대한민국 동해 연안에서 획득한 주변소음 측정 결과와 인근 선박 통행량 및 해양기상정보 공공데이터를 이용하여 각 데이터의 영향성을 분석하였다. 분석 결과 수중 주변 소음은 선박의 통행량의 변화에 따라 높은 연관성을 보였으며, 풍속과 파고, 강우 등 해양환경 요소에 있어서도 특정 주파수 대역에 영향성이 있음을 관찰하였다.

키워드
해양소음
소나 시스템
공공데이터
해양환경
수중 주변소음
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Information
  • Publisher :The Acoustical Society of Korea
  • Publisher(Ko) :한국음향학회
  • Journal Title :The Journal of the Acoustical Society of Korea
  • Journal Title(Ko) :한국음향학회지
  • Volume : 39
  • No :6
  • Pages :606-614
  • Received Date : 2020-09-15
  • Accepted Date : 2020-11-09
  • DOI :https://doi.org/10.7776/ASK.2020.39.6.606
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