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26 May 2020 Bathymetric Survey for Seabed Topography using Multibeam Echo Sounder in Wando, Korea
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Kim, H.D.; Aoki,S.; Kim, K.H.; Kim, J.; Shin, B., and Lee, K., 2020. Bathymetric survey for seabed topography using multibeam echo counder in Wando, Korea. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 527–531. Coconut Creek (Florida), ISSN 0749-0208.

Bathymetric survey measures the water depth of the ocean floors accurately. This survey helps produce a nautical chart which is used in numerical simulations, constructions, and more, as well as this project itself. This particular study was conducted to measure the water depth and map the ocean floor of Wando, Korea. With the help of various types of equipment, including multibeam echo sounder, differential GPS (DGPS), motion sensor, gyro compass, and sound velocimeter, bathymetric survey was made possible. Multibeam echo sounder was attached to the boat, emitting a total of 256 beams from a point centered directly below the boat. Water depth data was acquired from the underwater sound velocity using the return time of the beam. DGPS calculated the error value by comparing the position data of the control point at the base station where the position is already known via the Korea Hydrographic and Oceanographic Agency and where the position value is measured by using the receiver of the GPS. Throughout the survey, abnormal bodies were found even after the quality control filtering. These objects were as such classified through further detailed investigation.

©Coastal Education and Research Foundation, Inc. 2020
Hyun Dong Kim, Shin-Ichi Aoki, Kyu Han Kim, Jinho Kim, Bum-Shick Shin, and Kwangho Lee "Bathymetric Survey for Seabed Topography using Multibeam Echo Sounder in Wando, Korea," Journal of Coastal Research 95(sp1), 527-531, (26 May 2020).
Received: 31 March 2019; Accepted: 13 February 2020; Published: 26 May 2020

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