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http://dx.doi.org/10.5394/KINPR.2021.45.6.306

A Study on the Estimation of Service Level for National Fishing Harbour Breakwater Lighthouse Based on the Traffic Volume  

Moon, Beom-Sik (Korea Maritime and Ocean University)
Song, Chae-uk (Division of Navigation Convergence, Korea Maritime and Ocean University)
Kang, Jeong-Gu (Korea Institute of Maritime and Fisheries Technology)
Kim, Tae-Goun (Division of Navigation Convergence, Korea Maritime and Ocean University)
Publication Information
Journal of Navigation and Port Research / v.45, no.6, 2021 , pp. 306-313 More about this Journal
Abstract
National fishing harbour is as a refuge for fishing boats and a breakwater lighthouse is installed as a functional facility in consideration of harbour identification and the safety of passing vessels. In this study, the service level of breakwater lighthouse (234 units) was estimated based on the traffic volume of 105 national fishing harbour. For this purpose, the evaluation items were determined, the fishing harbour standard index was calculated (Fs=1), the proximity of fishing harbour was identified and the function (service level) of the breakwater lighthouse was estimated in the following order. However, national fishing harbour differed in size, traffic volume and fishing vessel capacity. Therefore, 105 national fishing harbour were divided into three groups through cluster analysis. The cluster analysis was based on the service level factors of the breakwater lighthouse, such as the number of weeding fishing vessels, tonnage of fishing vessels, the number of incoming and outgoing vessels per year, and fishing vessel capacity. As a result of the estimation, the service level of the breakwater lighthouse (light tower height, visual height, visual range, interval) was 10.50m, 16.50m, 7.00mile, 5.5sec for group 1, and 10.67m, 16.16m, 8.33mile, and 6.0sec for group 2, The three groups are 11.53m, 16.75m, 6.75mile and 5.0sec. The results of this study can be used as useful basic data for improving the service level of traffic vessels when a breakwater lighthouse is built in a fishing harbour in the future.
Keywords
national fishing harbour; breakwater lighthouse; service level; traffic volume; cluster analysis;
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