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엄명철 ( Eom Myung-chul ),조국현 ( Jo Guk-hyun ),임종완 ( Lim Jong-wan ),김태철 ( Kim Tae-chul ) 한국농공학회 2005 한국농공학회 학술대회초록집 Vol.2005 No.-
Geumgang canal is planned to connect Geumgang lake with Saemangeum reservoir to accelerate desalinization and dillute polluted water in Saemangeum reservoir. The purpose of this study is to evaluate the variations of water quality by divesion of Geumgang lake flow to the Saemangeum reservoir. WASP5 model was used to estimate water quality concentration of Geumgang lake. Model calibration and verification was done for water quality data for 2001 and 2002. As a result of simulating water quality concentration for 4 scenarios, which was considered whether Geumgang canal will be built, there was little influence on water quality in Geumgang lake though Geumgang lake flow diverted to Saemangeum reservoir.
엄명철 ( Eom Myung-chul ),이광야 ( Lee Kwang-ya ),공동수 ( Kong Dong-soo ),권순국 ( Kwun Soon-kuk ) 한국농공학회 2002 한국농공학회 학술대회초록집 Vol.2002 No.-
Discharge characteristics of pollutant loadings from sewage systems were estimated in the catchment area of a reclaimed area - Saemangeum -. Pollutant loadings were estismated according to the discharge pattern of small treatment facilities. BOD pollutant loadings produced by population were 84,380kg/day, which were composed of nightsoil 35% and sewage 65%.
엄명철 ( Eom Myung Chul ),조국현 ( Jo Guk Hyun ),이광야 ( Lee Kwang Ya ),김계현 ( Kim Kye Hyun ) 한국농공학회 2002 한국농공학회 학술대회초록집 Vol.2002 No.-
The purpose of this study is to construct an Environment Database Management System (EDMS) for the Saemangeum watershed based on the linkage of Water Quality Model, i.e. QUALKO and WASP model, and GIS database to estimate water quality effectively in this area. There are two major river systems on this study area, the Mangyeong and the Dongjin rivers. Input data are automatically generated through the calculation of the pollutant loading and inflow concentration from the point and non-point sources. The developed system is composed of three different phases, such as pre-process, model performance and post-process. The Model performance is supported by the database at pre-process phase and model performance results were shown in the graphs and attribution data at post-process phase. The measured data from the Mangyeong and the Dongjin rivers are used to evaluate the applicability of EDMS. The EDMS shows higher reliability, and it is expected to contribute to the effective management and improvement of water quality modeling in the Saemangeum watershed since the system reduces complications of using a model in DOS operating environment and increases the accuracy of water quality analysis.
엄명철,조국현,이광야,김계현,Eom Myung-Chul,Jo Guk-Hyun,Lee Kwang-Ya,Kim Kye-Hyun 한국관개배수위원회 2002 한국관개배수논문집 Vol.9 No.2
The purpose of this study is to construct a Water Quality Management System (WQMS) for the Saemangeum watershed based on the linkage of water quality model, i .e. QUALfE, and GIS database to estimate water quality effectively in this area. There are three
엄명철,이광야,조국헌,임종완,Eom Myung Chul,Lee Kwang Ya,Guk Guk Hyun,Lim Jong Wan 한국관개배수위원회 2004 한국관개배수논문집 Vol.11 No.1
The objective of this study is to analyze the characteristics of pollutant runoff loads on rainy days compared with dry days in the Mangyeong and Dongjin watersheds of Saemangeum tidal reclaimed area. Water samples were collected at 10 sites on the Mangye
김재옥 ( Kim Jae Ok ),엄명철 ( Eom Myung-chul ),홍대벽 ( Hong Dae Byuk ),배요섭 ( Pae Yo Sop ) 한국농공학회 2008 한국농공학회 학술대회초록집 Vol.2008 No.-
Saemangeum dike has been completed in 21 April, 2006 and dyke gates operation was started. Saemageum have two sluice gate called Garyuk and Sinsi. Freshwater discharge by the dyke gates can cause a damage of marine ecosystem. So we decided that limited salinity is 22psu in Saemangeum. This study was simulate extent of freshwater diffusion toward sea by the dyke gates open and that evaluate ecological variation. GEMSS model was used to estimate salinity variation. As a result of simulations, variation of salinity was not observed of the 22psu below and salinity concentration was recovery in one or two days by tide. From this simulation, We know that diffusion of salinity was little ecological effect by recover quickly.
박영진 ( Park Young Jin ),엄명철 ( Eom Myung Chul ),권순국 ( Kwun Soon Kuk ) 한국농공학회 2006 한국농공학회 학술대회초록집 Vol.2006 No.-
The variation of water quality in a reclamated estuarine lake was simulated using the Delft3D model. The lake is located in the Saemangeum reclamation project area, Jeonbuk, Korea. This study aimed to examine applicabilty of 2D hydrodynamic and water quality model. The computational domain covers over the Saemangeum reclamation project area. Two cases were simulated for the salinity. Case 1 is to open both of the Sinsi and Garyeok sluice gates, and Case 2 is to open the Garyeok sluice gates and close the Sinsi sluice gates. Test results showed that the salinity and water level in the lake related to the tidal current. Owing to the initial conditions, differences between the simulated and the measured were appeared. It is needed to calibrate the model for the application.