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부산 연안지형 VRS-GPS 계측을 통한 태풍해일 침수예측
김가야(Ga-Ya Kim),정광효(Kwang-Hyo Jung),김정호(Jeong-Ho Kim) 한국해양공학회 2012 韓國海洋工學會誌 Vol.26 No.1
A coastal flood area was predicted using the empirical superposition of the typhoon surge level and typhoon wave height along the Busan coastal area. The historical typhoon damages wore reviewed, and the coastal topography was measured using VRS-GPS. A FEMA formula was applied to estimate the coastal. flood area in a typhoon case when the measured and predicted dam of typhoon waves are not available. The results in the area of Haeundae beach and Gwangalli beach were verified using the flood area dam from the case of Typhoon Maemi (2003). If a Hurricane Katrina class typhoon were to pass through the Maemi trajectory, the areathat would be flooded along the Busan coastal. area was predicted and compared with the results of the Maemi case. Because of the lack of ocean environment data such as data for the sea level, waves, bathymetry, wind, pressure, etc., it is hard to improve the prediction accuracy for the coastal flood area in the typhoon case, which could be reflected in the policy to mitigate a typhoon’s impact. This paper discusses the kinds of ocean environment information that is needed to predict a typhoon’s impact with better accuracy.
김가야 ( Ga Ya Kim ),정범석 ( Beam Seok Jung ),김남석 ( Nam Seok Kim ) 한국지리정보학회 2008 한국지리정보학회지 Vol.11 No.2
Two dimensional road design is connoting danger factor because different point between design standard and driver`s reaction. Consequently two dimensional road design is difficult to recognize problem that happen beforehand when before construction. Therefore three dimensional road design that can grasp problem after completion is required. In this study, three dimensional road was designed to evaluate road that is designed. Road designed by Inroad that is road design program. DTM is created using digital map and elevation data. Three dimensional road was de-signed by integrated DTM of road and topography. Road design evaluation was performed in three dimension. Driving simulation and sight distance assessment were carried out to estimate stability of alignment. Shadow simulation was executed on icy road section for bad section of icy road surface. As a result of evaluation, this study could confirm shape of road after completion. And sight distance could be calculated and visually confirmed. Also, icy road sections were extracted through shadow simulation.
김가야 ( Ga Ya Kim ),김정호 ( Jung Ho Kim ),김성진 ( Sung Jin Kim ) 한국지리정보학회 2007 한국지리정보학회지 Vol.10 No.1
Redevelopment about land that nature green tract of land and dilapidated city equipment including greenbelt make a strong resolution in city with change of town planning area according to growth of city is consisting. Formation of city of these phenomenon is old and personality of city changes rapidly, the speed becomes fast. Phenomenon that Busan moves to neighborhood area as convenience of traffic of industrial facilities that was on spearhead of economic growth move to outer wall of city and port facilities is deterioration, as becoming decline Tuesday industry form of city in the second industry the third · phenomenon that alter by the 4th happen and case of residential area old residential area of inland area change for the worse of habit be and impulse to steal is augmented in the 1970, 80 is appearing. Hereupon the result inland area which analyzes the change with the use area compared to the area where it is coming in contact to the coast the diffusion of the residential area or the business park appears area, the factory back of nine cities acts Gangseo-gu or Gijang-gun of the industry area this with the fact that it changes.
김가야(Kim, Ga-Ya),임종언(Im, Jong-eon) 한국관광레저학회 2017 한국관광레저학회 학술발표대회 Vol.2017 No.6
Recently in Korea, interest in marina has greatly increased due to increased leisure time, improved financial conditions, and easier accessibility to coastal areas. Thus, development plans for the vitalization of the marina industry in Korea need to be considered. This study aims to understand the current conditions of the marina industry, analyze some development areas, find problem points, and propose development plans for the industry. A frequency analysis was carried out in order to calculate demographic characteristics, and it was carried out on 5 industrial factors for the development of the marina industry. Also, in order to show the effects of each industrial factor on the vitalization of the marina industry, a standard multiple regression analysis was carried out, which showed that each industrial factor had a positive (+) effect. Therefore, development plans for the marina industry were proposed that were suited for domestic conditions, and the study aimed to provide base line data for the effective and practical development of the marina industry.
김가야(Kim. Ga-Ya) 동의대학교 정보통신연구소 2004 정보통신연구지 Vol.6-1 No.-
Such social structures as bridges, buildings, dams and towers have been transformed by their own load or fundamental ground They have been behaved by other external causes. These regular or Irregular behaviors threaten to do their users safety Therefore, to monitor the load of the structures or reaction shown by them could help to verify their behaviors. RTK GPS allows the use of a static base station and remote rover unit to allow for data collection witbin several seconds and in real time. It is useful for monitoring the behaviors of massive structures like bridges. In this Study, Among GPS methods, we used RTK GPS to analyze the precision of mortitoring and then on the basis of it, we developed a mortitoring system using RTK GPS when measured the behavior of main tower of a suspension bridge by using RTK GPS Comparing a deviation between observation values, X axis was Imm, Y axis was Imm and Z axis 2.2mm. It turned out that it was possible to monitor and measure structures by RTK GPS.