• 제목/요약/키워드: Geographic Characteristics

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A Study on Homogeneity of Costume Culture in the Coastal Areas of the Gulf of Aden -Focusing on the Burga of Horn and Arabia - (아든만 연안지역의 복식문화 동질성 연구 -혼 지역과 아라비아 지역의 부르가를 중심으로 -)

  • 김문숙
    • The Research Journal of the Costume Culture
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    • v.9 no.4
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    • pp.664-676
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    • 2001
  • This study highlights the homogeneity in the heritage of the costume cultures between the Gulf of Aden, a part of the Horn region of Africa and the Arab region of West. Asia. Specifically, a cross-cultural perspective is used to examine the similarities between the two regions based on their (1) geographic living cultures and (2) the use of a costume accessory called Burga-a face veil. The current trend in research on the traditional costume culture of Africa mostly ties art with the traditional costume culture and examines its from an aesthetic or animalism perspective rather than from a cross cultural Perspective. Compared to Previous research in this area this study used literature reviews and Pictorial analysis to analyze costume cultures from a cross-cultural perspective. The Burga, which is worn in the low lands of the Horn region, which is located between the West Asia and African continents, as well as the Arab region, shows a reciprocal cultural exchange between the two regions. Similarities can be found in the shape, design, decorative elements, and the way the Bursa was worn in two regions. Although the Burga as a face veil is only a small part of a costume, it reaffirms the similar living cultures and geographic characteristics of the two regions. As the living culture environment becomes similar around the world, this study should help with cross culture negotiations as well as forther the development of traditional costume research.

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A Study on Records Filing Systems (문서기록물의 파일링시스템에 관한 연구)

  • Yoo, Jae-Ok
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.16 no.2
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    • pp.5-24
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    • 2005
  • This study reviews various kinds of records filing systems, which function as a basic fundamental to effective records management. The purposes, methods and characteristics of Alphabetic, geographic, numeric, subject, and combined filing systems are examined. The alphabetic filing method uses letters of the alphabet to determine the order of names of people and companies. In subject filing the subjects are filed in alphabetic order. In numeric filing, numbers representing names or subjects are used. When records are requested by place or location rather than by individual or business name, geographic filing is advantageous.

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Study on the Terrestrial LiDAR Topographic Data Construction for Mountainous Disaster Hazard Analysis (산지재해 위험성 분석을 위한 지상 LiDAR 지형자료 구축에 관한 연구)

  • Jun, Kye Won;Oh, Chae Yeon
    • Journal of the Korean Society of Safety
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    • v.31 no.1
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    • pp.105-110
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    • 2016
  • Mountainous disasters such as landslides and debris flow are difficult to forecast. Debris flow in particular often flows along the valley until it reaches the road or residential area, causing casualties and huge damages. In this study, the researchers selected Seoraksan National Park area located at Inje County (Inje-gun), Gangwon Province-where many mountainous disasters occur due to localized torrential downpours-for the damage reduction and cause analysis of the area experiencing frequent mountainous disasters every year. Then, the researchers conducted the field study and constructed geospatial information data by GIS method to analyze the characteristics of the disaster-occurring area. Also, to extract more precise geographic parameters, the researchers scanned debris flow triggering area through terrestrial LiDAR and constructed 3D geographical data. LiDAR geographical data was then compared with the existing numerical map to evaluate its precision and made the comparative analysis with the geographic data before and after the disaster occurrence. In the future, it will be utilized as basic data for risk analysis of mountainous disaster or disaster reduction measures through a fine-grid topographical map.

Analysis of Rice Field Drought Area Using Unmanned Aerial Vehicle (UAV) and Geographic Information System (GIS) Methods (무인항공기와 GIS를 이용한 논 가뭄 발생지역 분석)

  • Park, Jin Ki;Park, Jong Hwa
    • Journal of The Korean Society of Agricultural Engineers
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    • v.59 no.3
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    • pp.21-28
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    • 2017
  • The main goal of this paper is to assess application of UAV (Unmanned Aerial Vehicle) remote sensing and GIS based images in detection and measuring of rice field drought area in South Korea. Drought is recurring feature of the climatic events, which often hit South Korea, bringing significant water shortages, local economic losses and adverse social consequences. This paper describes the assesment of the near-realtime drought damage monitoring and reporting system for the agricultural drought region. The system is being developed using drought-related vegetation characteristics, which are derived from UAV remote sensing data. The study area is $3.07km^2$ of Wonbuk-myeon, Taean-gun, Chungnam in South Korea. UAV images were acquired three times from July 4 to October 29, 2015. Three images of the same test site have been analysed by object-based image classification technique. Drought damaged paddy rices reached $754,362m^2$, which is 47.1 %. The NongHyeop Agricultural Damage Insurance accepted agricultural land of 4.6 % ($34,932m^2$). For paddy rices by UAV investigation, the drought monitoring and crop productivity was effective in improving drought assessment method.

A Study on the Application of GIS and AHP for the Optimization of Route Selection

  • Lee, Hyung-Seok;Yun, Hee-Cheon;Kang, Joon-Mook
    • Korean Journal of Geomatics
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    • v.1 no.1
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    • pp.95-101
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    • 2001
  • In a route plan, the route selection is a complicated problem to consider the spatial distribution and influence through overall related data and objective analysis on the social, economic and technical condition. The developed system in this study was compared and estimated by deciding a practical section for its validity and efficiency. Using Geographic Information System (GIS), the various information required for route selections in database was constructed, the characteristics of subject area by executing three-dimensional terrain analysis was grasped effectively, and the control point through buffering, overlay and location operation was extracted. An optimum route was selected by calculating the sum of alternatives to the sub-criteria weight, and from this result, there is a difference between real route and proposed route according to the prioritization of decision criteria based on the importance. This research could be constructed and applied geospatial information to the reasonable route plan and an optimum route selection efficiently using GIS. Therefore, the applications are presented by applying Analytic Hierarchy Process (AHP) to the decision-making of information needed in route selection.

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Effects of an Apartment Complex on Flow and Dispersion in an Urban Area (도시 지역에서 아파트 단지가 흐름과 확산에 미치는 영향)

  • Lee, Young-Su;Kim, Jae-Jin
    • Atmosphere
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    • v.21 no.1
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    • pp.95-108
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    • 2011
  • The effects of an apartment complex on flow and pollutant dispersion in an urban area are numerically investigated using a computational fluid dynamics (CFD) model. The CFD model is based on the Reynolds-averaged Navier-Stokes equations and includes the renormalization group k-${\varepsilon}$ turbulence model. The geographic information system (GIS) data is used as an input data of the CFD model. Eight numerical simulations are carried out for different inflow directions and, for each inflow direction, the effects of an apartment complex are investigated, comparing the characteristics of flow and dispersion before and after construction of the apartment complex in detail. The observation data of automatic weather system (AWS) is analyzed. The windrose analysis shows that the wind speed and direction after the construction of the complex are quite different from those before the construction. The construction of the apartment complex resulted in the decrease in wind speed at the downwind region. It is also shown that the wind speed increased partially inside the apartment complex due to the channeling effect to satisfy the mass continuity. On the whole, the wind speed decreased at the downwind region due to the drag effect by the apartment complex. As a result, the passive pollutant concentration increased (decreased) near the downwind region of (within) the apartment complex compared with that before the construction.

GIS Application Model for Spatial Simulation of Surface Runoff from a Small Watershed(I) (소유역 지표유출의 공간적 해석을 위한 지리정보시스템의 응용모형(I) -격자 물수지 모형의 개발 및 적용-)

  • 김대식;정하우
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.37 no.3_4
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    • pp.23-33
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    • 1995
  • Geographic data which are difficult to handle by the characteristics of spatial variation and variety turned into a possibility to analyze with tlie computer-aided digital map and the use of Geographic Information System(GIS). The purpose of this study is to develop and apply a GIS application model (GISCELWAB) for the spatial simulation of surface runoff from a small watershed. This paper discribes the modeling procedure and the applicability of the cell water balance model (CELWAB) which calculates the water balance of a cell and simulates surface runoff of watershed simultaneously by the interaction of cells. The cell water balance model was developed to simulate the temporal and spatial storage depth and surface runoff of a watershed. The CELWAB model was constituted by Inflow-Outflow Calculator (JOC) which was developed to connect cell-to-cell transport mechanism automatically in this study. The CELWAB model requests detail data for each component of a cell hydrologic process. In this study, therefore, BANWOL watershed which have available field data was selected, and sensitivity for several model parameters was analyzed. The simulated results of surface runoff agreed well with the observed data for the rising phase of hydrograph except the recession phase. Each mean of relative errors for peak discharge and peak time was 0.21% and2.1 1% respectively. In sensitivity analysis of CELWAB , antecedent soil moisture condition(AMC) affected most largely the model.

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Protection of Incumbent Services and Its Impact on Coverage of TV Band Device Networks in TV White Space

  • Kang, Kyu-Min;Park, Jae Cheol;Cho, Sang-In;Park, Seungkeun
    • ETRI Journal
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    • v.38 no.1
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    • pp.112-122
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    • 2016
  • This paper presents a set of candidate regulatory requirements for TV band devices (TVBDs) in the Rep. of Korea. To guarantee the protection of incumbent services, especially digital TV (DTV) and wireless microphones, in TV frequency bands, we suggest minimum separation distances of TVBDs from the noise-limited contour according to incumbent users and TVBD types. This paper also deals with multiple sets of separation distances of a co-channel TVBD network from a DTV protected contour on the basis of the radio propagation characteristics of different geographic areas to make good use of TV white space (TVWS) and safely protect the DTV service. We present a low-power transmission mode of TVBDs and the relevant separation distances for small-cell deployment. The service coverage reduction ratio of a TVBD network is investigated in the presence of DTV interference in four geographic areas. The TVWS field verification results, conducted on the island of Jeju (Rep. of Korea), show that incumbent services operate well without harmful interference from neighboring TVBDs with the proposed separation distances.

Utilizing Internet GIS for Cyber Governance (Cyber Governance를 위한 인터넷 GIS의 활용방안)

  • Kim, Kwang Ju
    • Journal of the Korean Association of Geographic Information Studies
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    • v.5 no.3
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    • pp.68-76
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    • 2002
  • As modern public administrations are constructing homepages based on GIS and enhancing public services through interactive communication with their citizens, cyber governance and internet GIS have been conglomerated more than before. As such, the transformation from 'GIS for public management' to 'Internet GIS for cyber governance' is in progress. In the future, cyber governance based on Internet GIS can be a new paradigm for public management. The aim of this study is to look for the applications of internet GISs for cyber governance. For this purpose, the study examines characteristics of cyber governance and internet GIS and analyses similarities between them. Based on this analysis, the study proposes various ways of applying internet GISs for cyber governance.

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A Consideration of the Optimal Thinning Algorithm for Cadastral Map Vectorizing (지적도 벡터라이징을 위한 최적 세선화 알고리즘에 대한 고찰)

  • Won, Nam-Sik;Kim, Kwon-Yang
    • Journal of the Korean Association of Geographic Information Studies
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    • v.2 no.1
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    • pp.54-62
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    • 1999
  • Vectorizing for input processing of map is the most time and cost consuming task, and the quality of vector data depends on that processing result. Therefore, it is an important task to develop a good vectorizing system in the GIS. Thinning algorithm is the most important technology for deciding the quality of vector data in the vectorizing system. In this paper, as a suitable algorithm for map vectorizing we considered several algorithms that preserve topological and geometric characteristics, and have no distortion of the contour line. As a results, we implemented WPTA4 and well known thinning algorithm, and compared WPTA4 execution results with the others.

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