• Journal of the Korean Society of Hazard Mitigation
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• v.9 no.3
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• pp.101-106
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• 2009

Although ADCP(Acoustic Doppler Current Profiler) have been introduced and utilized for flow measurements since the end of 1990's, in-situ behavior performance of ADCP at stream gauging stations has not been evaluated in Korea. The purpose of this study is for verification and application of velocity measurements using a price meter and ADCP. The verification of measured velocities was carried out in a laboratory open-channel. The differences between the two velocity values measured by a pirce meter and ADCP are within 2.1%, which means that ADCP can be used at stream gauging stations. After verification, ADCP was applied to the Maekok stream selected as a test site for application. for application. The test application was performed by comparison of velocity results measured by ADCP and a price meter. Results show that the velocity values obtained by using ADCP coincide well with those by using conventional devices with the average measurement discrepancy of 10.5%.