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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2014, 35 (3)                                     Back

nstantaneous and historical temperature effects on a-pinene

Real time detecting of harmful dinoflagellate Cochlodinium polykrikoides using unmanned surface vehicle in dynamic environments 



Sung Mok Seo1, Wan Kyun Chung1 and Eun Seob Cho2*

1Divison of Mechanical and Industrial Engineering, Pohang University of Science and Technology, Pohang 790-330, Republic of Korea

2Fishery and Ocean Information Division, National Fisheries Research and Development Institute, Busan 619-705, Republic of Korea

*Corresponding Author E-mail:





Publication Data

Paper received:

20 March 2013


Revised received:

30 August 2013


Re-revised received:

04 September 2013



21 November 2013



Since the first occurrence in 1982, red tides have been observed annually in Korean coastal waters in the form of harmful dinoflagellate Cochlodinium polykrikoides blooms. The distinction in the proposed method for red tide monitoring is the focus on the narrow stripe red tide at an early stage to allow for advanced actions. The distance graph between Head of Narrow Red tide (HNR) and location of the robot have suggested in reference to unknown searching area. With mapping and path planning, then, it can quickly keep tracking out even if the magnitude and direction of current flow was changed. The one-hundred times simulations of different situations were attempted to comparison by box plot both algorithms of speed by reaching the right side of simulation window. Consequently, the red tide tracking algorithm is based on the red tide probability map and the tracking & recovering path planner. Inputs to the algorithm include the measured flow velocities and the detection or non-detection state at each robot location. Furthermore, a USV (Unmanned Surface Vehicle) model is added to evaluate the effectiveness of the algorithm. This approach for red tide monitoring may lead to a breakthrough in the field of environmental surveillance.


 Key words

Cochlodinium polykrikoides, Harmful algal blooms, Initiation stage, Modeling, Red tide, USV (Unmanned Surface Vehicle) 



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