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1 December 2014 Rip Current Monitoring Using Video Analysis
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Abstract

Shin, B.S. and Kim, K.H., 2014. Rip current monitoring using video analysis.

The coast of South Korea is increasingly exposed to serious coastal erosion problems. It is vital to develop scientific and systematic approaches for a quantitative review of the problem so that appropriate countermeasures can be established. Recently, a research method employing video images has become significant in field investigation and real-time monitoring. The proposed approach of this study is to measure the sea surface rather than to measure specific sea spots. Using the collected video images, each images are extracted an hourly basis in a specific time zone. Also, the extracted images are calibrated using geometrics and then the mechanism of wave-induced current occurrence and its moving path are investigated. Using dyes, the flow conditions of wave-induced current were filmed on a regular basis. As a result, the paths of longshore current and strong rip current were found. It is expected that the Video Metric System employed in this study will be effectively utilized in field tests in near future to further study the mechanism of wave induced current occurrence and its paths.

© 2014 Coastal Education and Research Foundation
Bum Shick Shin and Kyu Han Kim "Rip Current Monitoring Using Video Analysis," Journal of Coastal Research 72(sp1), 28-32, (1 December 2014). https://doi.org/10.2112/SI72-006.1
Received: 10 September 2014; Accepted: 27 October 2014; Published: 1 December 2014
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