• Title/Summary/Keyword: Ocean facilities

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AQUACULTURE FACILITIES DETECTION FROM SAR AND OPTIC IMAGES

  • Yang, Chan-Su;Yeom, Gi-Ho;Cha, Young-Jin;Park, Dong-Uk
    • Proceedings of the KSRS Conference
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    • 2008.10a
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    • pp.320-323
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    • 2008
  • This study attempts to establish a system extracting and monitoring cultural grounds of seaweeds (lavers, brown seaweeds and seaweed fulvescens) and abalone on the basis of both KOMPSAT-2 and Terrasar-X data. The study areas are located in the northwest and southwest coast of South Korea, famous for coastal cultural grounds. The northwest site is in a high tidal range area (on the average, 6.1 min Asan Bay) and has laver cultural grounds for the most. An semi-automatic detection system of laver facilities is described and assessed for spacebome optic images. On the other hand, the southwest cost is most famous for seaweeds. Aquaculture facilities, which cover extensive portions of this area, can be subdivided into three major groups: brown seaweeds, capsosiphon fulvescens and abalone farms. The study is based on interpretation of optic and SAR satellite data and a detailed image analysis procedure is described here. On May 25 and June 2, 2008 the TerraSAR-X radar satellite took some images of the area. SAR data are unique for mapping those farms. In case of abalone farms, the backscatters from surrounding dykes allows for recognition and separation of abalone ponds from all other water-covered surfaces. But identification of seaweeds such as laver, brown seaweeds and seaweed fulvescens depends on the dampening effect due to the presence of the facilities and is a complex task because objects that resemble seaweeds frequently occur, particularly in low wind or tidal conditions. Lastly, fusion of SAR and optic spatial images is tested to enhance the detection of aquaculture facilities by using the panchromatic image with spatial resolution 1 meter and the corresponding multi-spectral, with spatial resolution 4 meters and 4 spectrum bands, from KOMPSAT-2. The mapping accuracy achieved for farms will be estimated and discussed after field verification of preliminary results.

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Fundamental Design of Development Facilities of Deep Ocean Water Resource at Gosung Sea (고성 해양심층수 개발시설의 기본설계 연구)

  • Kim, H.J.;Hong, S.W.;Choi, H.S.;Hong, K.Y.;Yang, C.K.;Hong, S.;Hong, S.Y.;Kim, J.H.
    • Proceedings of the Korea Committee for Ocean Resources and Engineering Conference
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    • 2003.05a
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    • pp.83-88
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    • 2003
  • Recently, deep ocean water (DOW), which is plentiful in the East sea, has been recognized a global resources for 21st century. To develop DOW resource of 300m deep at Gosung sea, the pipeline of about 4 km long is essentially required to establish land based model complex of DOWA techno-park at coastal zone. This study aims to establish design procedure of DOW supplying and utilizing systems, and to complete basic design of every major facilities. To design, various numerical analysis and engineering consideration have been studied by cooperative works for practical use.

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Evaluation of Material Properties of Concrete Harbour Facilities Using Nondestructive Testing Methods (비파괴시험에 의한 콘크리트 항만시설물의 주요 물성치 평가)

  • Yi, Jin-Hak;Han, Sang-Hun;Park, Woo-Sun
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.23 no.1
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    • pp.1-10
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    • 2011
  • Recently harbor remodeling projects are seriously considered to enhance the loading and unloading capability of old container terminals and to make decrepit ports as eco-friendly harbor and waterfront spaces in many countries. In such a case, quantitative and qualitative evaluations on concrete harbor facilities are mandatory to determine the current structural integrity condition of aged materials. Once the remodeling project is determined to be carried out, the reusability of individual structural members and facilities including caissons, cell-blocks, and tetra-pods need to be decided based on the simple and economic visual inspection and/or nondestructive testing. In this study, the systematic quantitative evaluation procedure for determining the structural integrity condition and the reusability is studied based the nondestructive testing and evaluation methods. Conventional methods including Schmidt hammer test and ultrasonicpulse velocity methods and elastic wave based methods including impact echo test and surface wave test are applied to the old harbor facilities in five different sites. The compressive tests are also carried out to determine the elastic modulus and compressive strength of concrete materials.

The Improvement of Circulation System in Theme Park - Focused on the EXPO Ocean Park in Yeosu - (주제공원의 동선 개선 제안 - 여수 엑스포 해양공원을 대상으로 -)

  • Park, Hyo-Chul;Han, Hye-Sun
    • Korean Institute of Interior Design Journal
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    • v.23 no.5
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    • pp.202-210
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    • 2014
  • The EXPO Ocean Park in Yeosu has taken on the apsect of a theme park and has specialized facilities. But the outdoor circulation system that has been used by Expo 2012 Yeosu Korea still remained. These conditions can occur unused circulation and a long walk between facilities. The Purpose of this study is to suggest the improvement of circulation system that uses walking and outdoor space at the Expo Ocean Park in Yeosu. The following researches are drawn based upon the purpose. First, Definition and existing academic literature of theme park is considered. Second, the type, utilization condition, and circulation of outdoor facilities of Expo Ocean Park are investigated through the field survey and analysis. The field survey is conducted on the Expo Ocean Park in Yeosu for five times from October. 2013 to March. 2014. The data is collected through the photographed outdoor park and interviewing the staff of 2012 Yeosu World Expo Foundation. Third, the case study on outdoor circulation of waterside park and park with amusement facilities that are similar to Expo Ocean Park are examined. The result of this study is expected to seek sustainable management of Expo Ocean Park for maximizing local resident and visitors' satisfaction and improving effective park image. Since the field survey was conducted before the park is reopened and The Expo Ocean Park is on the improve through the this study at present, the verification of improvement scheme based on Post-Occupancy Evaluation(POE) is needed for future study.

A Field Survey on Facility Management and Anglers' Requirements at Recreational Sea-fishing Parks (바다낚시공원 시설운영 및 낚시인 요구사항 조사 연구)

  • Kang, Young-Hun;Hong, Sung-Ki;Lee, Han-Seok
    • Journal of Navigation and Port Research
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    • v.39 no.6
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    • pp.529-538
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    • 2015
  • This paper was intended to empirically identify problems with recreational sea fishing park facilities installed to help reinvigorate local economy of fishing villages in order to mitigate shortage of fishing facilities amid an increase in sea fishers and spur evolution of sea fishing into a marine leisure activity, on which basis this researcher presented direction for facility planning which is deemed necessary to map out the plan for sea fishing parks, along with measures designed to improve sea fishing park facilities. To analyze the problems related to sea fishing park facilities, we conducted a survey on facility operations involving 9 sea fishing parks and 2 sea ranches and had an investigative interview with facility manager. Moreover, a survey was conducted of fishers in 25 sea fishing places, including sea fishing park, fishing experience village, etc., in order to investigate their demand for facilities. The results of survey suggested that there was a significant demand for expansion of amenities such as safety facilities, toilets, lounge facilities, etc., which can accommodate the increase in the number of people fishing with family. Furthermore, the results showed that there was a huge demand for introduction of facilities aiding leisure activities in addition to facilities for fishing activities including education facilities such as fishing site at the corner exclusive for beginners, experiential facilities, camping site, seaside park, promenade, etc. Thus, sea fishing park should be the complex leisure space with a focus on fishing activities and requires facility configuration and facility planning suited to activity requirements within fishing park.

Technical Status of Confined Disposal Facilities for Dredged Materials (준설토 처리를 위한 해상처분장 기술 현황)

  • Oh, Myoung-Hak;Yoon, Gil-Lim;Oh, Young-Min
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2012.06a
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    • pp.383-385
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    • 2012
  • Confined Disposal Facilities(CDF) are an effective and commonly used management option for contaminated dredged material. CDF is an engineered contstruction for containment of contaminated dredged material to control potential releases to the environment. Although the concept is simple, constructing a CDF is a complex and non-standard process. In the process of planning a CDF, many different fields of expertise have to be considered, such as civil engineering, landscaping, chemistry, legislation, social impact, and environmental engineering. This paper provides the concise overview of common guidance on CDF.

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Analysis of Calibration Facilities for Acoustic Doppler Current Profilers (ADCPs) (초음파 도플러 유속계 교정 시설 현황)

  • Lee, Jung-Han;Hwang, Keun-Choon;Kim, Eun-Soo
    • Ocean and Polar Research
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    • v.33 no.2
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    • pp.171-183
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    • 2011
  • Despite technological developments and application advances of Acoustic Doppler Current Profilers (ADCPs), no standard procedure has been adopted or accepted for calibration of ADCPs. Limitations of existing facilities for calibrating ADCPs, the complexity of ADCP instruments, and rapid changes in ADCP technology are some of the reasons why a standard procedure has not been adopted. However, there is increasing realization of the need for effective Quality Assurance (QA) and as part of that the importance of standardized calibration. In this study, the significance of calibration and QA plans for ADCPs is discussed and the calibration facilities for ADCPs at home and abroad are reported. Furthermore, the method for calibrating ADCPs using a towed car and its limitations are discussed. This study contributes to discussions surrounding the establishment of standard procedures for calibrating ADCPs and QA plans, and the construction of calibration facilities in the future.

An Exploration of Direction for Human Resource Development in Marine industry (해양산업 인적자원개발 방향 탐색)

  • LYU, Mi-Hyun;WON, Hyo-Heon;HONG, Jeong-Whan
    • Journal of Fisheries and Marine Sciences Education
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    • v.28 no.6
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    • pp.1801-1811
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    • 2016
  • The purpose of this research is to grasp the present state of marine lifelong education and to provide direction for maritime industry. In this research, we first saw our country present ocean industry and the ocean lifelong education concept and definition besides formal school education to secure ocean human capital. Second, we researched about the ocean lifelong education that has been progressing by the organization, and by this, we inferred what to improve from our country ocean lifelong education. As a result, the improvement point for present ocean lifelong education of our country was first, the reflect of variety of marine related information in our country lifelong education is low, second, the learners were mostly children and teenagers, third, most of the were event education. Forth, it is good that there are a lot of experimenting programs, but most of them were experiment of ocean leisure sports and visiting the facilities, and because these are one-time thing so it was hard to secure marine citizenship or help them set their career in marine. Fifth, all facilities had similar contents for the experimenting program, and sixth, education period was concentrated on May and November.