Go to the main menu
Skip to content
Go to bottom
REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of the Korean Society of Marine Environment & Safety
Journal Basic Information
Journal DOI :
The Korean Society of Marine Environment and safety
Editor in Chief :
Volume & Issues
Volume 19, Issue 6 - Dec 2013
Volume 19, Issue 5 - Oct 2013
Volume 19, Issue 4 - Aug 2013
Volume 19, Issue 3 - Jun 2013
Volume 19, Issue 2 - Apr 2013
Volume 19, Issue 1 - Feb 2013
Selecting the target year
Estimation of the Sediment Pollution in Coast of Gwangyang, Mokpo and Shinan, Korea
Kim, Do-Hee ; Um, Hyeon-Ho ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 303~308
DOI : 10.7837/kosomes.2013.19.4.303
We estimated sediment pollution by the analysis of COD and AVS. We also estimated the contents of Cu, Cd, Pb, Zn in sediment of Gwangyang bay, Mokpo inner bay and Shinan Bigum coastal area from 2011 July to 2012 February. In these results of sediment COD and AVS show III level pollution in Mokpo inner bay, however Gwangyang and Shinan Bigum coast show I level pollution. The results of Igeo show over 2 on the contents of Cu and Cd in Gwangyang bay and Mokpo inner bay. It also know that Igeo can more and detail estimate sediment pollution in industrial coastal area. These results show that it is suitable to estimated sediment pollution by COD and AVS with trace metal in industrial and initial polluted coastal area rather than analysis of COD and AVS only in coastal area.
Temporal and Spatial Variations and Species Composition of Ichthyoplanktons in a Sea Area, with the Construction of Artificial Upwelling Structure
Kwak, Seok-Nam ; Huh, Sung-Hoi ; Kim, Ha-Won ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 309~314
DOI : 10.7837/kosomes.2013.19.4.309
Temporal and spatial variations and species composition of ichthyoplanktons were investigated by Bongo net in a sea area with the construction of artificial upwelling structure at 13, June, 21 September, and 23 September in 2012. A total of fish eggs was 4,849 ind./
, and fish larvaes was 641 ind./
in the study area. The common fish eggs was Engraulis japonicus which was composed of 57.5%, and unidentified I, II, III and IV were occurred with decreased number of individuals order. For fish larvaes, Pictiblennius yatabei, Repomucenus sp.A, sp.B and Scomber japonicus were dominated, however, other species were Engraulis japonicus, Konosirus puntatus, and unidentified I, II. Temporal variations of fish eggs and larvae were remarkable differed. Higher numbers of fish eggs and larvaes were July 2012, whereas those were lower at August 2012. Spatial variations of those were also significantly differed with higher numbers were at station 2 and 3 during study periods. The total number of fish eggs and larvae was about 4 fold against numbers of those in the compared area far from study area. These results indicated that higher numbers of fish eggs and larvaes were due to influx much more nutrients and food organisms with artificial upwelling.
Coastal Eutrophication caused by Effluent from Aquaculture Ponds in Jeju
Koh, Hyuk-Joon ; Park, Sung-Eun ; Cha, Hyung-Kee ; Chang, Dae-Soo ; Koo, Jun-Ho ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 315~326
DOI : 10.7837/kosomes.2013.19.4.315
This study investigated the temporal-spatial distribution and variations in water quality parameters (temperature, salinity, pH, DO, COD, SPM, DIN, DIP, silicate, TN, TP, and chlorophyll-a) in the coastal area of Jeju, Korea, adjacent to aquaculture ponds (Aewol-ri, Haengwon-ri, Pyosun-ri, and Ilkwa-ri). Data were collected bimonthly from February 2010 to December 2011. A principal component analysis (PCA) identified three major factors controlling variations in water quality during the sampling period. Aquaculture effluent water led to large changes in nutrient levels. The highest nutrient values were observed during the investigation period. The relatively large increase in organic matter at the sampling stations coupled with sea area runoff events during the summer rainy period. Variation in chlorophyll-a concentration was mainly driven by meteorological factors such as air temperature and rainfall in the coastal areas of Aewol and Haengwon. In the coastal areas of Pyosun and Ilkwa, pollution was caused by anthropogenic factors such as discharge of aquaculture effluent water. High nutrient concentrations at the majority of the coastal stations indicate eutrophication of coastal waters, especially within a distance of 300 m and depth of 10m from drainage channels. Coastal eutrophication driven by aquaculture effluent may be harmful inshore. Events such as eutrophication may potentially influence water pollution in aquaculture ponds when seawater intake is detected because of aquaculture effluent water.
Coastal Stratification Induced by Oceanographic Conditions of Open Sea in the East Sea on February, 2013
Choi, Yong-Kyu ; Kim, Sang-Woo ; Jeong, Hee-Dong ; Shim, Jeong-Min ; Kwon, Kee-Young ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 327~333
DOI : 10.7837/kosomes.2013.19.4.327
In order to see the stratification phenomenon in the coastal area induced by oceanographic conditions of the open sea, we analyzed the CTD (Conductivity-Temperature-Depth) data taken from the oceanographic survey on February 16~28, 2013. The stratification in Jukbyun coast was stronger than those of Sokcho and Gampo coast. Jukbyun line (104 line in the Serial Oceanographic Observation of National Fisheries Research and Development Institute) showed the anticyclonic eddy in the vertical distribution of temperature. The isotherm of
was concaved to the depth of 200 m in the middle station (station no. 9) of the line 104. It showed above
in positive temperature anomaly in the depth of 100~200 m in the middle station (station no. 9) of the line 104. This positive temperature anomaly was stretched to the coastal area with shallower depth. It is suggested that the stratification in Jukbyun coast was resulted from the onshoring of the Ulleung warm eddy. The movement of warm eddy may be act as a block to migration of cold water fishes like cod.
Oceanographic Features Around Aquaculture Areas of the Eastern Coast of Korea
Jeong, Hee-Dong ; Kim, Sang-Woo ; Kwon, Kee-Young ; Lim, Jin-Wook ; Kwoun, Chul-Hui ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 334~344
DOI : 10.7837/kosomes.2013.19.4.334
In order to understand the characteristics of oceanic environment in the coastal aquaculture waters of the East Sea, the observation of the CTD (temperature and salinity), dissolved oxygen, chlorophyll a and N/P (DIN (
-N) : DIP(
-P)) ratio was carried out at Sokcho, Jukbyon and Gampo in February, April, June, August, October, December 2013. Based on T(temperature)-S(salinity) diagram analysis, the water masses in the study area were divided into 3 groups; Tsushima Surface Water (TSW:
temperatures and 31.04-33.75 salinities), Tsushima Middle Water (TMW:
and 33.00-34.49), and North Korean Cold Water (NKCW:
and 33.78-34.42). In winter, DO concentrations in the northern part were higher than those in southern part. In spring and fall, they were low in the surface layer, and increased in summer. Chl-a concentrations <
dominated in February, April, October and December. Chl-a concentrations were higher in June and August. In particular, the highest Chl-a concentration >
was observed in the middle layer of Gampo in August. In February, April, June and December, the N/P ratio in the most of the water masses was less than the Redfield ratio (16), indicating that nitrate did act as a limiting factor in phytoplankton growth. On the contrary, in August and October, the N/P ratio in surface and sub-surface layer was greater than the Redfield ratio, suggesting that phosphate was a limiting factor.
Developing a Program to Pre-process AIS Data and applying to Vung Tau Waterway in Vietnam - Based on the IWRAP Mk2 program -
Nguyen, Xuan Thanh ; Park, Young-Soo ; Park, Jin-Soo ; Jeong, Jae-Yong ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 345~351
DOI : 10.7837/kosomes.2013.19.4.345
The IWRAP program (Inland Waterway Risk Assessment Program) is a useful program for risk assessment of a waterway. However, in the basic version, the function which is used to import AIS data is not included. So users have to prepare the data and input to the program manually. And not all waterways have enough statistical data about passing vessels especially in developing countries as Vietnam. This paper studies the development of a program to pre-process AIS data for using the IWRAP Mk2 program basic version. In addition, it provides users basic information about marine traffic in a waterway such as routes layout, number of passages at a gate classified by type, size and time. The developed program, named TOAIS (Total AIS), was successfully used to pre-process AIS data collected in the Vung Tau waterway-Vietnam. As a result, the IWRAP Mk2 program basic version using data pre-processed from TOAIS could effectively assess the risk of collision in this waterway.
Development and Implementation of Mobile APP for Marine Pollution Responder
Choi, Jong-Wook ; Kim, Sang-Woon ; Kim, Chang-Gyuen ; Lee, Chan-Geun ; Joo, Young-Hwan ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 352~358
DOI : 10.7837/kosomes.2013.19.4.352
The objective of this paper is to introduce on a mobile APP called MAMIS(Marine pollution Accident response Mobile Information System) and it's functions. MAMIS was developed by Korea Coast Guard for marine pollution responder in 2012. Users can get information on marine pollution response easily without being restricted by time and place. MAMIS can be operated by smart phones with Android OS and iOS, both of which are the most popular mobile operating systems in Korea. And it has been developed in the form of hybrid APP which combined the functions of mobile APP and mobile WEB. MAMIS is composed of 9 menus, 5 mobile-based ones and 4 web-based ones. The mobile-based menus are on substance information, clean-up skills, response measures, QR code scanning, and volunteer's safety, and the web-based ones on weather information, response equipment, clean-up materials, and SNS.
A Study on Navigation Speed of Jet-foil Ships in Busan Port
Park, Young-Soo ; Jeon, Tae-Young ; Park, Sung-Yong ; Kim, Deug-Bong ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 359~365
DOI : 10.7837/kosomes.2013.19.4.359
There are more than 10 ships and jetfoil passenger ships with speeds of 30~40 kts navigating between Japan and Busan ports per hour. Busan port has the highest density of traffic among the Korean ports and waterways. Jetfoil ships are the most frequently encountered amongst other vessels and about 18 % of passing jetfoil vessels violated port regulations. Based on the analysis of traffic survey carried out for 10 days, jetfoil vessels often overtook other vessels in route and deviated with high speed. This paper verified a proper speed and how to navigate in or out route of jetfoil ships by marine traffic flow simulation. A acceptable navigation speed for jetfoil vessel's mariner was calculated at less than about 32kts in Busan Port. It is a little different that shiphandling difficulty of jetfoil was almost the same whether passing in and out route in Busan Port. This paper proposes that the passing time of jetfoil ships should avoid the peak time to improve the traffic safety in Busan Port.
Study on the Introduction of Safety Management Level Evaluation System for Shipping Company by Imitation Strategy
Kim, Hwa-Young ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 366~374
DOI : 10.7837/kosomes.2013.19.4.366
Maritime transportation circumstance is changing rapidly in accordance with the increase of cargo volume between countries and increase of marine leisure activities by improvement of quality of life. And the circumstance for ship operation is also changing due to aging of seafarers and increasing of foreign seafarers. To cope with such changes in maritime environment well, it requires higher safety management skills from shipping companies, the main subject in charge of the safety matter. In this paper, we analyzed domestic and foreign similar system, and then applied imitation strategies for introduction of an unific evaluation and management system that was consist of marine accidents, port state control, ISM Code and so on from shipping companies. We defined that the imitation industry and system are converted accident ration of construction industry and traffic safety excellence company of road transportation, and then extracted relevant law, evaluation index, incentive system as a imitation subject. We also proposed scheme that introduction of basis law, and evaluation tool with marine accidents ratio, port state control & ism code result, and incentives such as immunity of safety inspection or reduction of commission for introduction of company's safety management level evaluation system. Finally, we proposed the imitation timing and plan in stages for system's sustainable development through the prompt introduction and continuous enforcement.
Evaluation on Risk at the Port of Mokpo and its Approaches based on Relative Importance of Risk Factors for Marine Traffic Environment
Lee, Hong-Hoon ; Kim, Chol-Seong ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 375~381
DOI : 10.7837/kosomes.2013.19.4.375
To assess the risk of marine traffic environments, with high confidential level, the risk factors comprising it should be identified and the risk acceptance criteria should be also provided. Furthermore, the relative importance of each risk factor(the weight of each risk factor on total risk) should be analyzed because the risk is expressed as the sum of risk factors comprising it. The twenty kinds of risk factors and its assessment criteria were suggested for the domestic marine traffic environments by an examination of the existing risk assessment models on the previous studies. The relative importance of each risk factor was also analyzed through the questionnaire using analytic hierarchy process by the marine traffic experts on the same studies. Based on these previous studies, the risk was evaluated at the port of Mokpo and its approaches on this study. The port of Mokpo and its approaches were divided into four sectors for the comparative evaluation, the result of the comparative evaluation on four sectors showed that the risk of the Jeongdeung-hae passage is the highest due to higher risk level of some risk factors(water movements, complexities, tug boats, pilotage, VTS) than the other sectors. The result of this evaluation is in accord with the analysis results of the other studies using various qualitative or quantitative risk analysis methods at the same sea areas.
A Study on the Design of Metaevaluation Model for the Maritime Traffic Safety Assessment Scheme
Cho, Kyung-Min ; Kong, Gil-Young ; Cho, Ik-Soon ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 382~390
DOI : 10.7837/kosomes.2013.19.4.382
The efforts for improving 'Maritime Traffic Safety Assessment Scheme(MTSA scheme)' have continued to the present. At this point, it needs to establish sound MTSA scheme to proceed acceleration step through the comprehensive review and systematic approach. In this study, it aimed to design of Metaevaluation Model for the comprehensive analysis of MTSA scheme with applying theory of the Metaevaluation, that is the evaluation of evaluation. To put it concretely, This research draw a basic model by using Metaevaluation methods like as literature studies, expert reviews, surveys and etc. and proposed a available 'PIP'OU' Metaevaluation Model through verified validity and reliability. This PIP'OU Model is the first proposed Metaevaluation Model in maritime field and it is expected to be used as framework to draw up improvement measure with deriving problem for the MTSA scheme.
Characteristics and Regulations of Assembly and Demonstration on the Sea
Kim, Jong-Goo ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 391~396
DOI : 10.7837/kosomes.2013.19.4.391
This study discusses characteristics and regulations of assembly and demonstration on the Sea. One of the characteristics of assembly and demonstration on the sea is danger caused by vessels and nature of the sea. Thus, Korea Coast Guard prefers to regulate demonstration on the sea more strictly by applying sea related laws such as Maritime Safety Act and Public Order in Open Ports Act. However, assembly and demonstration on the sea is one of the fundamental rights which is guaranteed by the Constitution and should be regulated and protected by the Assembly and Demonstrations Law. The purpose of this article is to properly regulate and protect assembly and demonstration on the Sea based on proper interpretation of the Assembly and Demonstrations Law.
The Evaluation of Hydrodynamic Resistance and Motion Response Characteristics of Platform Supply Vessel
Seo, Kwang-Cheol ; Gim, Ok-Sok ; Ryu, Youn-Chul ; Atlar, Mehmt ; Lee, Gyoung-Woo ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 397~402
DOI : 10.7837/kosomes.2013.19.4.397
In this study, numerical hull form development of a platform supply vessel, a full scale with the overall length of 26.75m, was performed to predict a bare-hull resistance and a large scale of model tests with a 1/10 scaled model were conducted to verify the success of numerical results. Numerical analysis on heave and pitch motion as a function of encounter frequency and ship's speed for the prediction of seakeeping characteristics are also presented. The experiment results of resistance agreed well with numerical analysis. As a result in the motion response characteristics, the heave RAO indicates high values with the range of encounter frequency 1.8~2.0. The Pitch RAO indicates high motion response characteristics at Beaufort scale No. 3 and 4 in rough seas.
Shear Behavior of Concrete Beams Reinforced with FRP Bar
Choi, Ik-Chang ; Jung, Dae-Jin ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 403~409
DOI : 10.7837/kosomes.2013.19.4.403
Shear behavior of concrete beams reinforced with steel and/or FRP bar is studied through experimental tests. Experimental parameters includes the mechanical properties of reinforcements in shear and bending, and the ratio of shear reinforcement. The validity of the modified truss analogy, that has been widely accepted as a basis for the practical shear design of concrete beams, has been examined thoroughly by analyzing experimental results. The experimental results indicate that the modified truss analogy cannot be directly adopted to the shear problem of concrete beams reinforced with FRP bar.
Analysis of Acoustic Target Strength for the Submarine with Alberich Anechoic Coating Effects
Kwon, Hyun-Wung ; Hong, Suk-Yoon ; Kim, Hwa-Muk ; Song, Jee-Hun ;
Journal of the Korean Society of Marine Environment & Safety, volume 19, issue 4, 2013, Pages 410~415
DOI : 10.7837/kosomes.2013.19.4.410
Acoustic target strength (TS) is one of the most considerable design elements for survival capacities of the submarine. It needs to reduce acoustic TS that submarines are getting larger and larger, Alberich anechoic coatings are widely used as the representative method. In this paper, the finite element method (FEM) is used to analyze the reflection and transmission coefficients of Alberich anechoic coatings, which have periodic unit cells. The FEM results are compared with experimental results in the literature. Moreover, acoustic TS for the submarine is analyzed by using that result. Finally, it is shown that acoustic TS (Case 1: 10dB, Case 2: 6dB) are reduced due to the use of Alberich anechoic coatings.