Modeling and Analysis of Sea-Surface Vehicle System for Underwater Mapping Using Single-Beam Echosounder

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2022-10-01

Author

Karadeniz Kartal, Seda
Hacıoğlu, Rıfat
Görmüş, K. Sedar
Kutoğlu, Ş. Hakan
Leblebicioğlu, Mehmet Kemal

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Detailed knowledge on the shape of the seafloor is crucial for many researchers. Bathymetric data are critical for navigational safety and are used for underwater mapping. This study develops a sea-surface vehicle (SSV) system for underwater mapping by using both bathymetric data from a low-cost single-beam echosounder located on the SSV, and the navigation data of the SSV. The navigation of the SSV was obtained using a global positioning system (GPS). The effect of changing bathymetric and navigation data due to external disturbances such as wind and waves on the map was analyzed. The sea-bottom slope angles, which are effective in changing bathymetric data, were estimated and corrected in relation to the estimated angles in a particular mapped area for more accurate underwater mapping. Additionally, the effects of the grid range of the mapped area, beam angle of the echosounder, and position of the echosounder on the underwater mapping were analyzed. These analyses were based on simulation data, and were performed in a MATLAB, HYPACK, and Global Mapper environment. An underwater map was also obtained in the Kozlu/Zonguldak area, Black Sea by using a single-beam echosounder located on the SSV. This map was improved by estimating sea-bottom slope angles and the corrected bathymetric data to obtain a more accurate underwater map of the area. The experimental and simulation results were compared, focusing on the sea-bottom slope changes, sea-surface disturbances, bathymetry grid range changes, and draft effects.

Subject Keywords

single-beam echosounder, underwater mapping, bathymetry, seafloor slope angle, echosounder beam angle, sea-surface vehicle, grid range, BATHYMETRY, NAVIGATION, RESOLUTION, SLOPE, MAP

URI

https://hdl.handle.net/11511/101114

Journal

JOURNAL OF MARINE SCIENCE AND ENGINEERING

DOI

https://doi.org/10.3390/jmse10101349

Collections

Department of Electrical and Electronics Engineering, Article

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Citation Formats

S. Karadeniz Kartal, R. Hacıoğlu, K. S. Görmüş, Ş. H. Kutoğlu, and M. K. Leblebicioğlu, “Modeling and Analysis of Sea-Surface Vehicle System for Underwater Mapping Using Single-Beam Echosounder,” JOURNAL OF MARINE SCIENCE AND ENGINEERING, vol. 10, no. 10, pp. 0–0, 2022, Accessed: 00, 2022. [Online]. Available: https://hdl.handle.net/11511/101114.