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Comparison of Observed Wave Height and Wave Image of Sok-cho Site  

Jang, Bok-Jin (명지대학교 토목환경공학과, ㈜데이타피씨에스)
Yeo, Woon-Kwang (명지대학교 토목환경공학과)
Lee, Jong-Kook (㈜데이타피씨에스)
Park, Kwang-Soon (한국해양연구원)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.19, no.4, 2007 , pp. 329-335 More about this Journal
Abstract
The eye measurement to observe the sea surface condition and estimate the wave height has been used in the open sea or the ship. The experts in the eye estimation can measure the wave height very accurately. The Beaufort wind scale is most widely used as a standard index of the eye measurement. However, more definite reference data such as the representative images by each wave heights must be necessary because the appearances and explanations in the Beaufort wind scale are not enough to understand the sea surface condition far the researcher and the public. The modern field data acquisition technique has been developed to measure wave heights, ocean weather data and even images of the sea surface in real-time. In this study, the wireless field image transmitting system for wave heights and images is installed in the real-time ocean measurement system of Chodo light tower near Sokcho city in South Korea. The wave heights and surface images acquired from the real time system in the field are compared with explanations of the Beaufort wind scale. The wave heights and images measured with the precision ultrasonic wave sensor and the scientific sea surface image transmitting system should be helpful to obtain more precise and definite information than the data from the Beaufort wind scale.
Keywords
wave; eye measurement; wave height; wave image; Beaufort wind scale;
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