• Title/Summary/Keyword: spatial distribution characteristics

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Spatial Distribution Pattern of Users by the Types of Use Activity at Lawn Areas in Park (공원잔디공간의 이용활동유형별 공간분포특성에 관한 연구)

  • 암봉훈
    • Asian Journal of Turfgrass Science
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    • v.10 no.1
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    • pp.13-20
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    • 1996
  • This study was carried out to investigate the characteristics of spatial distributon patterns of users by each type of recreational activities at lawn areas in the parks. Study sites were lawn areas at Kyungju World and Seorabul Plaza in Bomun Resort Complex in Kyungju, Korea. Space types by each recreation activities are Repose Type, Sports Type, Play Type and Strolling Type. Main results are as follows ; 1. Sport Type activities were mainly distributed at the central areas of each lawn areas. 2.The density of Sports Type activities were affected by the form of lawn areas. For natural control of excess dynamic activities, Complex Form has more advantage in the distribution of dynamic activities. So, as the form of lawn areas in the parks, complex form is more desirable. 3.Repose Typo activities were distributed at marginal areas of lawns and surrounding woods. These, the static activities, were affected by Edge Effect in spatial distribution of activities. 4.Play Typo activities also were distributed at marginal areas of lawns. It was also affected by Edge Effect in spatial distribution. 5.Strolling Type activities were distributed evenly over all lawn areas.

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Analysis of Precipitation Distribution in the region of Gangwon with Spatial Analysis (II): Analysis of Quantiles with Interested Durations and Return Periods (공간분석을 이용한 강원도 지역의 강수분포 분석 (II): 지속기간 및 재현기간별 확률강수량 분석)

  • Jeong, Chang-Sam;Um, Myoung-Jin;Heo, Jun-Haeng
    • Journal of the Korean Society of Hazard Mitigation
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    • v.9 no.6
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    • pp.99-109
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    • 2009
  • In this study, often the spatial distribution of precipitation was analyzed using the quantile with regional frequency analysis and spatial analysis to find out the detail distribution of extreme precipitation for preventing the disaster in the region of Gangwon. The hourly precipitation data of 66 stations in Gangwon were used. As the results of regional frequency analysis, it shows that the generalized logistic (GLO) distribution is the best for the region of Gangwon. As the results of spatial analysis, the quaniles have high vaules nearby Seolakdong, Daegwallyeong and Cheongil as the duration of precipitation increase, and the change of spatial distribution occurs severely according to the duration of precipitation. The spatial characteristics of precipitation appears clearly as the return period of quantile increases. As the results of the spatial distribution of precipitation in Gangwon heavy quantiles usually are appeared in Yongdong, and the spatial distributions of quantile in Yongseo are various according to the duration and the return period of quantile. Therefore, to estimate more accurate quantiles in Gangwon, various geographical and weather conditions are considered additionally for the regional precipitation frequency analysis.

A Study on Spatial and Temporal Distribution Characteristics of Coastal Water Quality Using GIS (GIS를 이용한 연안수질의 시공간적 분포 특성에 대한 연구)

  • Cho, Hong-Lae;Jeoung, Jong-Chul
    • Spatial Information Research
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    • v.14 no.2 s.37
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    • pp.223-234
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    • 2006
  • In order to examine spatio-temporal characteristics of coastal water quality, we applied GIS spatial analysis to the water quality data collected from observation points located on Korean coastal area during 1997$\sim$2004. The water quality parameters measured included: chlorophyll-a, pH, DO, COD, SS, dissolved inorganic nitrogen, dissolved inorganic phosphorous, salinity, temperature. The water quality data used in this paper was obtained only at selected sites even though they are potentially available at any location in a continuous surface. Thus, it is necessary to estimate the values at unsampled locations so as to analyze spatial distribution patterns of coastal water quality, Owing to this reason, we applied IDW(inverse distance weighted) interpolation method to water quality data and evaluated the usefulness of IDW method. After IDW interfolation method was applied, we divided the Korean coastal area into 46 sections and examined spatio-temporal patterns of each section using GIS visualization technique. As a result of evaluation, we can blow that IDW interpolation and GIS are useful for understanding spatial and temporal distribution characteristics of coastal water quality data which is collected from a wide area far many years.

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Spatial Distribution Patterns and Planar Geometric Characteristics of Vegetated Bars in the Naesungcheon Stream (내성천 식생사주의 공간적 분포 유형과 평면 기하 특성)

  • Jiwon Ryu;Eun-kyung Jang;Un Ji
    • Ecology and Resilient Infrastructure
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    • v.11 no.3
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    • pp.90-99
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    • 2024
  • This study classified spatial distribution patterns of vegetated bars in the Naesungcheon Stream, defined universally applicable planar geometric variables, and quantified characteristics of dominant vegetated bar distribution forms. The analysis identified four primary types of spatial distribution, with two types (vegetated alternate/point bars and vegetated floodplains with single or multi-vegetated bars) accounting for more than 90% of the study area. Study results indicated that relatively large vegetated bars tended to be widely spaced or distributed in combination with multiple smaller vegetated bars that were overlapped in the Naesungcheon stream. Quantified spatial distribution characteristics of vegetated bars derived from this study could be used as essential basis information for vegetation management in rivers similar to the Naesungcheon Stream. Additionally, analysis results for planar geometric variables and spatial distribution forms are expected to facilitate experimental designs that mimic river conditions in flood management and ecohydraulic studies, contributing to the interpretation of complex characteristics of interactions between vegetated bars, flow, and bed changes.

Spatial Distribution of the Physicochemical Characteristics of Spring Waters in Mt. Geumjung (금정산 용천수의 물리화학적 성질의 공간적 분포 특성)

  • 김문수;함세영;김광성;김성이;성익환;이병대
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2000.11a
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    • pp.262-265
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    • 2000
  • In order to estimate spatial physicochemical properties of the spring waters in the study area, spring waters at 57 sites were investigated for measuring ten items (temperature, pH, Eh, EC, TDS, DO, salinity, alkalinity, discharge rate, and surface elevation), To compare each component with one another, regression analysis was carried out. Kriging was used to estimate the spatial characteristics and continuity of data in the study area. To solve kriging equation, the semivariogram was calculated using geostatistical software GS$^{+}$(version 3.1). As a result of semivariogram analysis, the data of nine components but surface elevation could be assumed as stationary random function, and ordinary kriging method was used for making contour maps.s.

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Spatial Characteristics by Physical Distribution System and Sales Activities of Agricultural Co-operation Chain Stores in Korea (농협 연쇄점의 물류체계와 판매활동의 공간적 특성)

  • 韓柱成
    • Journal of the Korean Geographical Society
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    • v.36 no.3
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    • pp.258-277
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    • 2001
  • Agricultural Co-operation chain stores were highly the utility of distribution rationalization for commercial distribution by informatisation and by multi-polarizied of large physical distribution center of Inventory intensive type consisted of intensive physical distribution. and transportation of commodities from physical distribution center have act by outsourcing. Therefore, the methods of distribution of commodities of life and agricultural products are distinguished from route distribution and regular time collective distribution. the method of distribution is formated the distribution field b\ulcorner characteristic of commodity. On the other hand, spatial characteristics by sales activities of commodities was clarified by types of stole commodity according to level of paddy agriculture development and level of service industrial employment. But manufactured foodstuffs and miscellaneous goods. that is commodities of life clarified the fact selling that is not influenced by regional type.

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A Study on the Distribution Specific Characteristics about Each Group of Exhibition Space on Museum through Multivariate Analysis - Focused on Establishment of Quantitative Analysis Characteristics and Main Component Analysis - (다변량해석에 의한 박물관 전시공간의 그룹별 분포특성 - 정량적 분석지표의 설정과 주성분분석을 중심으로 -)

  • Park Moo-Ho;Cho Jae-Wook;Lim Che-Zinn
    • Korean Institute of Interior Design Journal
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    • v.13 no.6
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    • pp.132-139
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    • 2004
  • This study is to a question in argument that existing theses about a trait spatial configuration of exhibition space were analyzed without appropriateness verification of analysis characteristics. Firstly, through theoretical studies of established thesis, validity twenty analysis characteristics was chosen by making an investigation into existing analysis characteristics. Secondly, through a subject of our investigation, forty-two exhibition space of nineteen museums and art museum at home and abroad, a distribution map of exhibition space was analyzed by multivariate analysis. As a result of this study : 1) Nine analysis characteristics which extracted through multivariate analysis was the principal analysis characteristics. 2) A scale was important characteristic for the classification of museum therefore a degree of space perception was ought to compare every one of similar scale museum. 3) When comparing a trait of spatial configuration at exhibition space, these characteristics came into effect on middle sized museums. 4) It was visually confirmed a trait of spatial configuration of each group between museum and art museum

A Study on the Measurement of Industry Agglomeration for the Census on Basic Characteristics of Establishments (사업체 기초통계조사에서 산업활동의 공간집적도 측정 연구)

  • 김윤수;정연수;김병천
    • The Korean Journal of Applied Statistics
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    • v.17 no.1
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    • pp.13-26
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    • 2004
  • According to economic growth theory, location configuration of business enterprises engaged in specific industries has spatial affinity. In this research we defined industrial concentration index to measure industry agglomeration using the characteristics of dispersion parameter of negative binomial distribution, and used the industrial concentration index to examine aspect of spatial configuration change. We utilized Census on Basic Characteristics of Establishments of 1995 and 2000 to deduce industrral concentration indices of 7 knowledge-based industries and 9 strategy-based industries of Choongbuk Province and analyzed the aspect of spatial configuration change.

A Study on the Characteristics of the Spatial Distribution and the Disparities in the Provision of Public Libraries in Busan (부산지역 공공도서관 분포의 특성과 공급 불균형 양상 분석)

  • Koo, Bon Jin;Chang, Durk Hyun
    • Journal of Korean Library and Information Science Society
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    • v.52 no.2
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    • pp.189-208
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    • 2021
  • Public library usage is closely related to the accessibility to library facilities. Therefore, public library planning and development authorities should consider the policies for improving the library accessibility of community, for releasing disparities of the spatial accessibility and for increasing location efficiency of public libraries. In this regard, this study strives to analyze the spatial distribution of public libraries in Busan and to derive the regions that lack public libraries by identifying main characteristics using geographical information systems (GIS): identify the blind spot for public library service, analyze the hot and cold spot for the supply of libraries, and identify the vulnerable areas of library based on population density. The result of the study will contribute to understand the spatial distribution of public libraries in Busan and to prioritize sites where public library should be constructed in order to improve the accessibility to public library services.

Spray characteristics of twin-fluid atomization using external-mixing sonic nozzles (외부혼합형 음속노즐을 사용한 2유체 미립화의 분무특성)

  • Park, Byeong-Gyu;Lee, Jun-Sik
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.21 no.1
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    • pp.132-139
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    • 1997
  • Spray characteristics of external mixing sonic twin-fluid atomization nozzles are investigated experimentally. Particle sizes are measured by the Fraunhofer diffraction method using the Malvern particle analyzer, and their radial distributions are obtained using the tomographical transformation technique. The spatial distribution of SMD shows that the drop size increases in the radial direction at a fixed liquid flow rate, and the distribution is getting uniform rapidly as the atomizing gas pressure increases. The SMD decreases as the liquid flow rate increases at a fixed GLR. It is found that the atomization efficiency of the flush type sonic nozzle is superior to that of protrusion type. The effect of laser beam diameter of the particle analyzer on the spatial SMD distribution is minor at present experimental conditions.