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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Korean Society for Geospatial Information System
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Journal DOI :
The Korean Society for Geospatial Information System
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Volume & Issues
Volume 20, Issue 4 - Dec 2012
Volume 20, Issue 3 - Sep 2012
Volume 20, Issue 2 - Jun 2012
Volume 20, Issue 1 - Mar 2012
Selecting the target year
The Selection of Spoil-Bank for Reduction of Carbon Emission based on GIS Analysis
Park, Dong Hyun ; Kang, In Joon ; Kim, Sang Suk ; Han, Ki Bong ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 3~9
DOI : 10.7319/kogsis.2012.20.4.003
The exhaustion of fuel and tremendous greenhouse gas emissions are caused by the sharp increase in the use of fossil fuel. Especially, accounting for over 25% of carbon dioxide emissions, Construction is main environmental problem. So, in this study, we applied network analysis in the selection of spoil-bank to reinforce the GIS to decrease carbon dioxide emissions in construction sites. As a result, we could calculate the expected carbon dioxide emission and transportation cost of the proposed sites by the shortest distance and the least amount of time. We found that if spoil-bank is chosen based on the result, carbon dioxide emissions will be decreased as much as we plant a pine tree. We can also decrease largely by considering and applying complex causes which affect carbon dioxide emissions in construction.
Development of Integrated Spatial Information Identifier for Developing 3D Cadastral Information System
Song, Myung Su ; Song, Sang Cheol ; Jang, Yong Gu ; Lee, Sung Ho ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 11~17
DOI : 10.7319/kogsis.2012.20.4.011
The study aims to secure an integrated UFID system-based ID system as it defines the three-dimensional land registration record through selection and standardization of objects. By comparing the integrated ID system secured by the study and the objected ID system proposed by Seoul City, the study came up with practicality of the integrated ID system for the three-dimensional land registration record information system. An integrated UFID-based intellectual spacial information which is consisted of 41 figures in total was developed by the study. The study confirmed the practicality of the integrated ID system by comparing it with the objected ID of the three dimensional land registration record information system established by Seoul City.
A Study on Estimation of Rainfall Erosivity Using Frequency Analysis for Hapcheon Gauging Station
Ahn, Jung Min ; Lee, Geun Suk ; Lyu, Si Wan ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 19~27
DOI : 10.7319/kogsis.2012.20.4.019
RUSLE(Revised Universal Soil Loss Equation) has been widely used to estimate the soil loss amount of watersheds from rainfall erosivity, soil erodibility, topographic features and cropping management condition. Rainfall erosivity is the most dominant and sensitive factor among these so that the determination of reliable rainfall erosivity is essential to estimate the soil loss of watershed. Since there has been no criterion to determine the rainfall erosivity in Korea, the empirical values, determined from the relation between the annual average rainfall and erosivity or suggested by TBR(Transport Research Board), have been used for designing the erosion control structure and controlling the soil erosion for watersheds. In this study, the procedure for estimating the rainfall erosivity using frequency analysis is proposed. The most fitted distribution function, with calculated rainfall erosivities with various frequencies and durations, has been also selected. The suggested procedure can be used to estimate the optimal value of rainfall erosivity for RUSLE in order to design soil erosion structures and control the soil erosion in watersheds effectively.
The Study on the Mapping of Wind Resource using Moving Filter Technique at Udo, Jeju Island
Moon, Seo Jeong ; Ko, Jung Woo ; Lee, Byung Gul ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 29~36
DOI : 10.7319/kogsis.2012.20.4.029
In order to create a wind resource map, we need wind data, contour map and roughness map. Moving Filter technique was applied to Udo of Jeju Island to improve the accuracy and efficiency of creating roughness map based on the Land Cover Map of the Ministry of Environment. The Land Cover Map was simplified using moving filtering, and the roughness map was created with this Land Cover Map. The wind resource map was created using this roughness map. Finally, we verified the validity and application of moving filter technique for wind resource map. As a result, the wind map which was created using the roughness map with moving filtering showed bias values which were all negative. It means the wind map is underestimated to values of wind energy and RMSE values were also from 0.0237m/s to 0.0253m/s at 50m height. In other words, estimation of wind resource using image filtering provides reliable results at 80m height typically when the wind turbine is installed. Finally, we found that image filtering technique is very useful tool to make wind resource map.
Analysis of Shelter Service Areas According to Walking Speed Using Network Analysis
Park, Jae Kook ; Kim, Dong Moon ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 37~44
DOI : 10.7319/kogsis.2012.20.4.037
There are approximately 25,724 shelters to which people can be quickly evacuated for safety in case of emergency across the nation, and Seoul has about 3,870 shelters. Those nationwide shelters are located at a point within a five-minute radius for quick evacuation. Seoul's shelter capacity can hold 285% of its population. The problem is, however, that there is no knowing how many shelters are reachable within five minutes when considering walking speed according to individual differences in age, height, health state, and physical condition. In addition, available service areas become different according to the spatial allocation and distribution of shelters with possible vulnerable points. This study thus defined the pedestrian walking speed at 1m/s, 1.3m/s, and 2m/s by reviewing previous studies and conducted network analysis of the Location Allocation Model with the designated shelters and road networks in Seoul. The results identified the shelter service and vulnerable areas in each administrative district of Seoul according to walking speeds. It was analyzed that the vulnerable areas in which the elderly could not reach a shelter were more than twice as big as those of adult men and women with a fast walking speed.
Image-Based Cadastral Mapping with Fusion of Cadastre and Image Information
Lee, In Su ; Chang, Cheong Hwa ; Seo, Yong Cheol ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 45~54
DOI : 10.7319/kogsis.2012.20.4.045
Nowadays, a variety of efforts, such as the open of SPACEN, the enactment of law related to Spatial Information and the improvement of institute in order to encourage of the Spatial Information Industry in domestic, are fulfilled. At this moment, it is expected that spatial information market will be vigorous, with the development of image-based cadastral map with combining cadastral information(vector) with Imagery information (raster). Hence, this study deals with the Image-Based Cadastral mapping and its application.
A Study on Policy Directions of U-City Planning in Busan using System Dynamics Model
Kim, Byeong Sun ; Shin, Dong Bin ; Kim, Kirl ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 55~65
DOI : 10.7319/kogsis.2012.20.4.055
The purpose of this study is to construct the System Dynamics Model that can analyze urban spatial and temporal change and suggest the policy directions applicable to U-City Planning in Busan based on the SD model. It reviews previous literatures to elicit U-City issues and performs the case study to simulate urban spatial and temporal changes in Busan. The elicited results are connected into the policy directions of U-City planning. It emphasizes the necessity of business model suggestion based on U-City technology and industry not a tool, the U-City model construction that linkages and integrates the existing cities and new cities, and the excavation of U-City service model reflecting social and demographic changes.
Design and Implementation of Context Awareness Inference System Based on Ontology - Focusing on Tour Information Guidance SmartPhone Application
Lee, Jae Gil ; Joo, Yong Jin ; Park, Soo Hong ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 67~75
DOI : 10.7319/kogsis.2012.20.4.067
For the last few years, LBS has attracted considerable attention from many industries and societies as a result of propagated smart devices. LBS has a high utilization of mobile users as it uses user positions as a significant factor. Current LBS has only taken user position into account and it makes some limits. So, it is necessarily suggested that support for personalized services which consider user's motion, traffic condition, weather condition, time, personal information and preferences that have a huge impact on the accuracy. The purpose of this study is to design the inference systems with user's motion, preferences and schedules and provide users with the personalized information. To achieve this, Movement Ontology, User Profile Ontology, Schedule Ontology and Work Ontology should be constructed and based on this, smart applications were developed. Developed applications induced appropriately recommended results according to user's preference, motion and directions.
Application of Satellite Image to Evaluate UN-REDD Registration Potential of North Korea : a Case Study of Mt.Geumgang
Choi, Jin Ho ; Um, Jung Sup ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 77~87
DOI : 10.7319/kogsis.2012.20.4.077
Discussion on North Korea as UN-REDD (Reduced Emissions from Deforestation and Degradation in developing countries) project target continues with a view to preventing deforestation and to securing CER(certified emission reduction) for South Korea. However, due to North Korea's political shutdown, it is hard to acquire information required for the REDD project registration. This research intends to acquire objective data using satellite images in the Mt. Geumgang. More than 20% of entire forested area were disappeared during the past two decades mainly due to conversion into agricultural farming land. Further, it is expected that persistent deforestation will go on. The reduction potential of the carbon emission is estimated as approximately 617,000 tCO2/year~663.000 tCO2/year. Thus, Mt. Geumgang is considered as realistic REDD target, which is attractive to South Korea, given that the obligation to reduce greenhouse gas emission is likely to be imposed upon the country. Further, political and social benefits due to reduced military conflict make Mt. Geumgang as UN-REDD project target invaluable.
Bicycle Optimal Path Finding Considering Moving Loads
Yang, Jung Lan ; Kim, Hye Young ; Jun, Chul Min ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 89~95
DOI : 10.7319/kogsis.2012.20.4.089
Recent planning for bicycle use is relatively low compared to other studies. Although studies for the bicycle roads accessibility are actively underway, those considering topographical elements and characteristics of the user behaviors are very limited. Choosing paths of cyclists is typically influenced by slopes and intersections as well as optimal distance. This study presents a method to find optimal paths considering topographical elements in case of choosing paths for school commuting using bicycles. Conversion formulae suggested here are tested on a Songpa area using round-trip directions and compared with traditional optimal path computation.
Flood Risk Mapping using 3D Virtual Reality Based on Geo-Spatial Information
Song, Yeong Sun ; Lee, Phil Seok ; Yeu, Yeon ; Kim, Gi Hong ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 97~104
DOI : 10.7319/kogsis.2012.20.4.097
Recent climate change has increased the occurrence of flood disaster. There are two approaches to prevent flooding damage. One is a structural method and the other is a non-structural method. The production and usage of a flood risk map are the example of non-structural way. The flood risk map displays several kinds of information to minimize casualties and property damage caused from flooding. In order to increase the usage of current flood risk maps and improve intuitive recognition of flood information, this paper produced flood risk maps based on geo-spatial information system using three dimensional virtual reality techniques and investigated the applicability of the maps. Because flood information is easily accessed through online, flood risk maps suggested in this paper are regarded as an efficient tool.
A Study of Standardization for Establishing Integrated Infrastructure of Underground Space Information and its Availability
Seok, Cheol Ho ; Kang, Yu Ra ; Jang, Yong Gu ; Kang, In Joon ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 105~115
DOI : 10.7319/kogsis.2012.20.4.105
Today, the domestic construction area has changed from the ground development area to the underground space development area. In addition, the problems of sprawling development and environmental pollution in the process of developing underground space have become significant. In the circumstances, it is expected that the use of underground space information, which helps to understand underground space, will be on the sharp rise. However, the underground information in Korea is separately established and managed by each institution, and it is difficult to use the information in an integrated way. Therefore, at the time when the information on underground space is integrated, it is required to perform the integrated DB standardization in order to establish the integrated infrastructure of underground space information. In this work, this researcher studied a plan of using the standardization of the integrated infrastructure of underground space information. As a result, this work suggested standardization of each geologic stratum, standardization of unit systems, and standardization of the connection of underground space information regarding the standardization contents of underground space information integration. To examine its availability, this researcher conducted a questionnaire survey with experts of each institution. As a result, the suggested plan was found to be have high availability.
Extraction and Modeling of Curved Building Boundaries from Airborne Lidar Data
Lee, Jeong Ho ; Kim, Yong Il ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 117~125
DOI : 10.7319/kogsis.2012.20.4.117
Although many studies have been conducted to extract buildings from airborne lidar data, most of them assume that all the boundaries of a building are straight line segments. This makes it difficult to model building boundaries containing curved segments correctly. This paper aims to model buildings containing curved segments as combination of straight lines and arcs. First, two sets of boundary points are extracted by adaptive convex hull algorithm and local convex hull algorithm with a larger radius. Then, arc segments are determined by average spacing of boundary points and intersection ratio of perpendicular lines. Finally, building boundary is modeled through regularization of least squares line or circle fitting. The experimental results showed that the proposed method can model the curved building boundaries as arc segments correctly by completeness of 69% and correctness of 100%. The approach will be utilized effectively to create automatically digital map that meets the conditions of the Korean digital mapping.
An Analysis of Fire Area in Jinju City Based on Fire Mobilization Time
Koo, Seul ; Yoo, Hwan Hee ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 127~134
DOI : 10.7319/kogsis.2012.20.4.127
This study analyzed the present status of services by fire-suppression mobilization time of fire station where is located in Jinju city, by using network analysis of GIS targeting fire station(five 119 safety centers, one 119 division) in Jinju city area. As a result, it was indicated to be 15.9% in the ratio with less than 5 minutes of mobilization time, 34.7% in the ratio with less than 8 minutes, 94% in the ratio with less than 20 minutes out of the whole fire service area in Jinju city. Even districts with more than 20 minutes were analyzed to reach 6%. Especially, to solve vulnerability to approach the fire service in uptown districts(Jinseong, Jisu, Sabong, Ilbanseong, the whole area of Ibanseong), the 119 division is installed more to be operated. However, accessibility is still remaining in low level. Also, in case of 119 safety center of Cheonjeon, the national industrial complex and the general industrial complex are being formed on a large scale. However, analyzing the fire service level in the corresponding area, the districts with more than 8 minutes and less than 20 minutes were existing broadly. In consequence of analyzing the fire service area in Jinju city with the fire-suppression mobilization time as the above, the fire service level is failing to escape largely from the status prior to the urban-rural consolidation compared to what the jurisdictional area was largely expanded by which the administrative districts were integrated by the urban-rural consolidation in locally small-and medium-sized city. Thus, there is a need of a measure for improving this.
Heavy Snowfall Disaster Response using Multiple Satellite Imagery Information
Kim, Seong Sam ; Choi, Jae Won ; Goo, Sin Hoi ; Park, Young Jin ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 135~143
DOI : 10.7319/kogsis.2012.20.4.135
Remote sensing which observes repeatedly the whole Earth and GIS-based decision-making technology have been utilized widely in disaster management such as early warning monitoring, damage investigation, emergent rescue and response, rapid recovery etc. In addition, various countermeasures of national level to collect timely satellite imagery in emergency have been considered through the operation of a satellite with onboard multiple sensors as well as the practical joint use of satellite imagery by collaboration with space agencies of the world. In order to respond heavy snowfall disaster occurred on the east coast of the Korean Peninsula in February 2011, snow-covered regions were analyzed and detected in this study through NDSI(Normalized Difference Snow Index) considering reflectance of wavelength for MODIS sensor and change detection algorithm using satellite imagery collected from International Charter. We present the application case of National Disaster Management Institute(NDMI) which supported timely decision-making through GIS spatial analysis with various spatial data and snow cover map.
A Study on Civil BIM Description Neutral Library Development Direction for modeling the Construction Spatial Information
Kang, Tae Wook ; Lee, Jae Wook ; Lee, Woo Sik ; Choi, Hyun Sang ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 145~151
DOI : 10.7319/kogsis.2012.20.4.145
The purpose of the present study is to suggest the development direction for the neutral library which can describe the parametric modeling and design algorithm to design the construction spatial information which is known as BIM. To do this, we surveyed the recent research related to neutral library and analyzed the library technology of BIM modeler such as Revit, Archicad. By using this result, we suggested the development direction based on BIM description script language for the neutral BIM library including the parametric design and the algorithm definition.
A Study on the Strategies for Spatial Information Service based on the Concept of Atlas - A Case Study of Land Cover Map -
Hong, Sang Ki ;
Journal of Korean Society for Geospatial Information System, volume 20, issue 4, 2012, Pages 153~159
DOI : 10.7319/kogsis.2012.20.4.153
Recently, tthe general users' demand on utilizing spatial information and the establishment of national spatial data such as land cover map are increasingly growing. But the lack of spatial information service for the general public is making it difficult for them to use spatial information and services. In this study, spatial information service strategies based on the concept of atlas, which is familiar to us through the student atlas, were proposed to promote the public users' utilization of land cover map. For this purpose, I reviewed current domestic status and overseas cases of land cover map service and proposed the future direction of spatial information service for land cover map in terms of contents, users, and system. Finally, I defined the basic concept, characteristics and functions of the Atlas Information System and recommended strategies for environmental spatial information service. The results of this study can be applied to various national spatial information as well as land cover map and contribute to the increase of general public users' utilization of national spatial data.