Ocean Science Journal

, Volume 53, Issue 1, pp 91–99 | Cite as

Development and Application of an Acoustic System for Harmful Algal Blooms (HABs, Red Tide) Detection using an Ultrasonic Digital Sensor

  • Hansoo Kim
  • Donhyug Kang
  • Seung Won Jung


The overgrowth of phytoplankton leads to negative effects such as harmful algal blooms (HABs, also called red tides) in marine environments. The HAB species Cochlodinium polykrikoides (C. polykrikoides) appears frequently in Korea during summer. In this study, we developed a real-time acoustic detection and remote-control system to detect red tides using an ultrasonic digital sensor. In the laboratory, the acoustic signals increased as the number of cells increased. At the same time, for field application, we deployed the system near the southern coast of Korea, where red tides frequently occurred in summer seasons 2013–2015. The system developed here detected red tides in situ, with a good correlation between the acoustic signals and C. polykrikoides populations. These results suggest that it may be useful for early detection of red tides.


harmful algal blooms red tide Cochlodinium polykrikoides real-time acoustic detection system ultrasonic digital sensor 


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Copyright information

© Korea Institute of Ocean Science & Technology (KIOST) and the Korean Society of Oceanography (KSO) and Springer Science+Business Media B.V., part of Springer Nature 2017

Authors and Affiliations

  1. 1.Maritime Security Research CenterKIOSTAnsanKorea
  2. 2.Library of Marine Samples, South Sea Research InstituteKIOSTGeojeKorea
  3. 3.Department of Ocean System Engineering, College of Ocean ScienceJeju National UniversityJejuKorea

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