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http://dx.doi.org/10.12652/Ksce.2011.31.5D.739

Increasing Surveyed Area using Tilted Multi Beam Echo Sounder  

Park, Yosup (한국해양연구원 해양방위연구센터)
Hong, Jun-Pyo ((주)UST21 해양부)
Kong, Seong-Kyu (국토해양부 연안계획과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.5D, 2011 , pp. 739-747 More about this Journal
Abstract
The paper presents implementation & evaluation of survey method with tilted transducer of Multi Beam Echo Sounder (MBES) to increase horizontal & vertical coverage over obstructed port environments with limited physical properties of MBES. Proposed method ($25^{\circ}$ titled transducer) have some discrepancy of bathymetric profiles between normal and tilting method, but we proved average difference is less than IHO Special Order requirements with survey data at port of Dong Ho Port, Masan, Korea. For horizontal mapping coverage of total survey area ($114,961m^2$), normal method covered 53%, $60,895m^2$ of total area but tilting method covered 75%, $5.933m^2$. It is 22% efficient than normal method with similar environments. For vertical mapping coverage of total vertical structure face ($7,421m^2$), normal method covered 14%, $1,046m^2$, proposed methods covered 60%, $4,450m^2$. And we adapt longitudal steel bar to validate MBES results, and provide calibration method with titled transducer of MBES.
Keywords
multi beam echo sounder; hydrographic survey; tilting; underwater structure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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