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천안/아산권역내 곡교천의 수질분석 및 지리정보체계를 이용한 유역 오염원 관리방안에 관한 연구
황병기,이상호 한국환경과학회 2000 한국환경과학회지 Vol.9 No.6
Chonan and Asan city have been a focal point due to rapid development as the first station for Express Railroad and key cities West Coast Development Region. Gokgyo stream adjacent to the cities plays an important role as a drainage channel for an agriculture and a discharger of urban storm water. Water quality of the stream has been deteriorating caused by pollution sources such as a untreated wastewater discharge and runoff from the watershed. In this study, we conducted 4 surveys in April, May, July, and September to understand the current state of water quality for the stream and to make it possibe to predict future water-quality variation for future development. The system runs on a personal computer under the windows enviroment and provides extensive graphics using graphic user interface(GUI) for user-friendly assessment. Using the pull-down menus provided by the GUI panel, the user is able to operate the system by pointing and clicking the icon to identify the state of water-quality at locations concerned. Furthermore, we developed an integrated watershed management system. The constructed system could be a useful tool as a decesion maker for pollution source control strategy.
인터넷 웹 기반의 초등학교 학급경영 홈페이지 자동화시스템 구현
황병기,최재원 경성대학교 2001 論文集 Vol.22 No.1
While the teaching method is affecting the whole of education through making the most of internet, the necessity of the teacher's home-page becomes influential. However, most of teachers are incapable in making their own home-page or can't even conceive the idea of running their home-page owing to the burden that they should invest much time beyond working hours. Therefore, it was to study on the realization of home-page automation system for the elementary school teachers on the basis of the internet web possible to make the class home-page with the input of a minimum information although a non-majors or the beginners, who are rarely capable to make the home-page. Under this circumstance, it has analyzed the requirements of the class home-page for the class management by the elementary school teacher and designed the standard model of the class home-page to realize the dynamic home-page possible to link to the school and home. Also, it has analyzed the requirements of home-page automation system on the basis of design of home-page proposed and then realized an automation system, using the JSP programming method. On the ground of the results from this system, it is able not only to construct the home-page by the elementary school teacher after this but to become the little basis of education information as making the most of educational supplementary means for the class management.
황병기,정효준 한국환경과학회 2002 한국환경과학회지 Vol.11 No.10
This study was performed to plan pollutant loading allocation by sub-watershed at Kumho river basin located in the north Kyeongsang province. HEC-geoHMS which is extension program of ArcView was used to extract sub-watershed. To simulate water quality, Qual2eu model was calibrated and validated. BOD was simulated under several scenarios to evaluate reduction effects of pollutant loading. Uniform treatment and transfer matrix method was considered. Effects of headwater flow rate and efficiency waste water treatment plant were also considered.