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신계종(Ke-Jong Shin),유영걸(Young-Geol Yu),황의진(Eui-Jin Hwang) 한국콘텐츠학회 2009 한국콘텐츠학회논문지 Vol.9 No.6
사회 전 분야에 걸쳐 다양하고 복잡한 공간의 현상을 모델링하여 컴퓨터를 통해 공간 데이터를 사용하고자 하는 요구가 급격하게 증가하면서 원격탐사와 GIS의 중요성과 활용도가 증대되고 있다. 원격탐사 영상자료를 GIS의 분석기술과 연계하여 사용함으로써 높은 정확도와 가치를 지닌 수치자료의 생성이 가능하며, 토지피복 분류와 분석 등을 수행함으로써 다양한 주제도의 제공이 가능하다. 대상 지역에 대한 이러한 지도의 구축이 가능케 되면, 이 지도를 기초로 하여 모델링 및 지속적인 모니터링이 용이하며, 데이터베이스의 수정을 쉽게 함으로써 지형공간정보의 갱신이 효율적으로 수행되어 질 수 있다. 이 연구에서는 원격탐사 기술과 GIS의 통합을 통하여 도로변의 토지피복변화를 분석하기 위해 두시기의 영상에 대한 토지피복분류를 수행하고 6개의 분류항목별 10년간의 변화탐지를 수행하여 대상지역에 대한 정량적 변화면적 통계값을 추출함으로써 도시계획 수립 및 개발을 위한 기초 의사결정 자료를 획득하는 것이다. 도로주변의 이용형태분석을 통하여 주변 도심과의 상호 보완된 계획의 수립을 가능하게 할 것이다. There have been rapid increases to the demands for modeling diverse and complex spatial phenomena and utilizing spatial data through the computer across all the aspects of society. As a result, the importance and utilization of remote sensing and GIS's(geographic information systems) have also increased. It can produce digital data of enormous accuracy and value by incorporating remote sensing images into GIS analysis technology and make various thematic maps by classifying and analyzing land cover. Once such a map is made for the target area, it can easily do modeling and constant monitoring based on the map, revise the database with ease, and thus efficiently update geo-spatial information. Under the goal of analyzing changes to land cover along the road by combining the remote sensing and GIS technology, this study classified land cover from the images of two periods, detected changes to the six classes over ten years, and obtained statistics about the study area's quantitative area changes in order to provide basic decision making data for urban planning and development. By analyzing land use along the road, one can set up plans for the area along the road and the downtown to supplement each other.
지형공간정보체계와 범용토양유실방정식을 이용한 유역의 토양유실 예측
양인태,신계종,김동문,유영걸,Yang, In-Tae,Shin, Ke-Jong,Kim, Dong-Moon,Yu, Young-Geol 강원대학교 산업기술연구소 1999 産業技術硏究 Vol.19 No.-
The soil loss by rainfalls or runoffs has been one of the main environment problems in 20th century. The soil loss cause the various problems those are decreasing of the agricultural productivity, desolating of pasture land and disturbing of water flowing. Therefore, it is very important to measure properly various factors those are affecting to soil loss and to recognize a seriousness of soil loss problem. In this study, we use the USLE(Universal Soil Loss Equation) as a basic approaching way for soil loss analysis in a watershed, and the GSIS(Geo-Spatial Information System) technique is applied to evaluate for factors those are related to the USLE. The results of this study are consisted of three parts those are to build up the various topographical information that is needed for analysis of wide area soil loss by using the USLE, to evaluate the factors those are needed to the USLE, to estimate the soil loss condition of subbasin in the watershed.
DTED와 50, 000 수치지형도에 의한 격자 DEM의 지형 매개변수 비교
김연준 ( Yeon Jun Kim ),신계종 ( Ke Jong Shin ) 한국지리정보학회 2002 한국지리정보학회지 Vol.5 No.3
Topographic information is indispensable in the applications that require elevational data. These applications are exemplified by watershed partition, extraction of drainage networks, viewshed analysis, derivation of geomorphologic features, quantification of landslide-terrain, and identification of topographic settings susceptible to landsliding. Therefore, we study the accuracy of data on topographic parameters derived from digital elevation models (DEMs) This research wished to analyze the effect that data source and grid size get in topography parameter using gridded DEM. An analysis of topography parameter extract and compared drainage basin, watershed slope, stream network using DEM is constructed by digital map and DTED DEM. Especially, when extract stream network from gridded DEM, received much effects according to threshold value of flowaccumulation regardless of DEM grid size. Therefore, this stud applied equal threshold value of for two data sources, and compare and analyzed stream network.