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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Society of Marine Environment & Safety
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Journal DOI :
The Korean Society of Marine Environment and safety
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Volume & Issues
Volume 9, Issue 2 - Dec 2003
Volume 9, Issue 1 - Jun 2003
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A Study on the Development of Tracking Algorithm for Shipborne Automatic Tracking Aids
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 5~13
Ships of 500 gross tonnage and upwards constructed an or after 1 July 2002 shall have an automatic tracking aids according to SOLAS V/19 but existing ships less than 10,000 gross tonnage constructed before 1 July 2002 have potential collision risks due to the lack of automatic plotting devices like as an ATA. This paper aims to provide a homemade ATA by developing the tracking algorithm for ATA and to prevent collision incidents by distributing ATA system to coasters.
A Study on the Enhancement of Utilization of Automatic Identification System
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 15~21
Recently, one of important resolutions of IMO MSC is an adoption of AIS in SOLAS Chapter 5. The AIS, which is a communication system to enhance safety of navigation by transmitting and receiving vessel information automatically, entered into force on July 1st, 2002. This paper provides guidelines for utilizing AIS effectively and successfully in VIS or all ships. For this, we investigated technical characteristics of AIS, the regulations related to AIS, marine accidents.
Syllabus Setup Scheme of the Electronic Navigation System Followed by Introduction of New HighTechnology Instruments
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 23~30
New technologies are introduced to recently developed hightechnology navigational instruments, and relevant international regulations, requirements and so on have thereby been developed and amended appropriately. These have to be reflected to education and/or training programs for watch officers and masters. In this connection, a syllabus of lectures for the electronic navigation system is proposed by using status analyses of navigational instruments and relevant international regulations and technologies. This can be served as a good reference and help for updating academic programs and detailed scope of examination for the issue of certificates.
A Study on the Assessment of Traffic Safety of Ship under Bridge
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 31~37
In these days, several bridges have been built or under construction over navigational channel in Korea. In these cases there must be careful consideration for the marine safety of vessels to be passed by below the bridge. This paper aims to analyze the factors influencing maritime traffic safety and to figure out ample width of main span of these kinds of bridges through the reference study and FMSS.
A Study on Routeing in Adjacent Seas of Mokpo Port
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 39~46
The area including outside of Mokpogu has not been routed for a fairway, and PTMS(Port Traffic Management Service) did not carried out south of Sihado. So there are many dangerous elements because some fairways are crossed. In this paper, we proposed a fairway which is designed with expert group's knowledge for safety navigation in the area and marine transportation environment and domestic and foreign route design standard.
A Basic Study on Development of ISM Code Operation Evaluation Model Using AHP
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 47~52
This study conducted a basic study to develop ISM Code operation evaluation module, which is part of development of Safety Management System(ISM Code) Implementation supporting module. In particular, the significant of this study is that it established AHP operation evaluation analysis process, the design of questionnaire, and the hierarchical structure of operation evaluation model standard, focusing on the development of ISM Code operation evaluation module. Also, this study has its value in the point that it attempted to apply AHP scheme, which is part of the main decisionmaking in management science field, to develop operation evaluation module.
Numerical Experiment of Low Salinity Due to the Variation of Yangtze River Discharge in East China Sea
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 53~57
Low salinity water appears by outflow of fresh water from the Yangtze River in southwestern sea of the Korean peninsula. The water volume discharged form the Yangtze River is not constant with year, according to the time series data recorded in the past, the maximum value of the discharged volume is two times as high asr minimum value. Therefore, the distribution of low salinity water over study area with different discharged fresh water volume is studied using numerical model, Princeton Ocean Model (POM). POM is three dimensional circulation model selecting a
coordinate. According to the result of numerical simulation by the Model, current velocity on the continental slope is faster than those in other regions, current which flows toward the central part of the Yellow Sea through western part of Jeju exists, and also, southward flow along the coastal region exists. the greater discharged volume from the Yangrze River is. the lower salinity water appears closer to Jeju.
Long Term Trend of Change In Water Temperature and Salinity in Coastal Waters around Korean Peninsula
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 59~64
The longterm trend and interrelationship with depth of temperature and salinity in coastal waters of Korea are studied using coastal oceanographic observation and serial oceanographic data measured by National Fisheries Research and Development Institute. Temperature of coastal waters of Korea except southwestern sea of Korea where cold water appears to increase in summer. In case of temperature offshore, surface temperature of East Sea increases, the reverse, for 50m and 100m decreases. Temperature in South Sea of Korea increases in whole depth and for the Yellow Sea, surface temperature increases, but for 50m decreases. In case of salinity offshore, surface salinity of East Sea decreases, but for 50m increases. Surface salinity in South Sea of Korea decreases, the reverse, form 50m and 100m increases. salinity in the Yellow Sea decrease in whole depth According to the result of interrelationship analysis, for temperature relationship coefficients of 50m and 100m in the East Sea and South Sea of Korea is higher, however, for the Yellow sea the interrelationship between 50m and 100m is lower. In case of salinity, the interrelationship between surface and 50m, and for the South Sea of Korea, between 50m and 100m, and for the Yellow Sea, between surface and 50m is higher.
The Oceanic Condition of the Tsushima Warm Current Region in the Southern Part of the East Sea (Sea of Japan) in June, 1996.
Lee, Chung-Il ; Cho, Kyu-Dae ; Yun, Jong-Hwui ;
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 65~72
Oceanic conditions of the Tsushima Warm Current (TWC) region in the southern area of the East Sea (Japan Sea) are examined using data obtained from a CREAMS (Circulation Research if the East Asian Marginal Seas) cruise in June 1996. In 1990s, a lower temperature appears in 1996 and in this period, two branches of the TWC exist and the first branch of the TWC flows inshore of the Japanese coastal region compared to that in the other years, especially in the shallower water layer at depth less than about 200 m. The TWC cored with the higher salinity (>34.6 psu) is clearly observed over the continental shelf in the Japanese coastal region and offshore and identified by geostrophic calculation. Intrusion of the TWC into the East Sea through the Korea Strait (the Tsushima Strait) makes the density structure in the water column change and the water mass in the TWC region is unstable based on BruntVaisala frequency.
Numerical Study of Stably Stratified Flow over a Threedimensional Hill in a Channel
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 73~77
This study focuses on illustrating the effect of a hill on current filed at a channel, and the topographic effects of the hill were studied with various numerical experiments. The model experiments showed that stratification as well as bottom topography had influence on current fields around the hill. Due to stratification effect, Karman vortex formed behind the hill by bottom topography made effects on water movement only in the deep layer. The vortex reduced density field around the hill which resulted in the stratification in the water column, and which also resulted in the movement of isopycnic surface to deep layer both in front and back of the hill. The water in the back of the hill moved upward along ispycnic surface afterward. From these effects, velocity pattern in vertical direction around the hill showed opposite direction, downwrad in front of the hill and upward in the back. However, the upward flows did not seem to have any significant influence on the water conditions in the surface layer, even though strong upward flows were found on both side of the hill.
Journal of the Korean Society of Marine Environment & Safety, volume 9, issue 2, 2003, Pages 79~84