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강문성,조재필,전종안,박승우,Kang, Moon-Seong,Cho, Jae-Pil,Chun, Jong-An,Park, Seung-Woo 한국농공학회 2009 한국농공학회논문집 Vol.51 No.5
The objectives of this paper were to estimate cell based pollutant loadings for total maximum daily load (TMDL) programs and to evaluate the applicability of the agricultural nonpoint source (AGNPS) model for an intensive agricultural watershed in Korea. The model was calibrated and validated at a watershed of 384.8 ha of drainage area using the observed data from 1996 through 2000 in terms of runoff, suspended solid, total nitrogen, and total phosphorus on a hourly basis. Analysis of spatial variations of pollutant loadings for rainfall frequencies of various intensities and durations were conducted. In addition, the validated model was applied to estimated the TMDL removal efficiency for best management practices (BMPs) scenarios which were selected by taking into account the pollutant characteristics of the study watershed. The model can help to understand the problems and to find solutions through landuse changes and BMPs. Thus, the method used for this study was able to identify TMDL quantitatively as well as qualitatively for various sources pollution that are spatially dispersed. Also it provides an assessment of the impact of BMPs on the water bodies studied, allowing the TMDL programs to be complemented more effectively.
강문성,박승우,김상민,성충현,Kang, Moon-Seong,Park, Seung-Woo,Kim, Sang-Min,Seong, Chung-Hyun 한국농공학회 2004 한국농공학회논문집 Vol.46 No.1
The objective of the research is to develop agricultural resue technologies of reclaiming the effluents from a municipal wastewater treatment plant and reusing for irrigated rice paddies. The Suwon wastewater treatment plant was selected for wastewater reuse tests. The control was the plots with groundwater irrigation (TR#1), the treatment (TR#2) using polluted stream water as it was, and three others using wastewater after treatment. Three levels of wastewater treatments were employed: the effluent from the wastewater treatment plant (TR#3), sand filtering after treatment plant(TR#4), and ultra-violet treatment after sand filtering (TR#5). The randomized block method was applied to wastewater application to paddy rice with five treatments and six replica. The effects of various wastewater treatment levels on water quality, paddy soil, crop growth, yields, and the health hazards were investigated. The primary results indicate that cultivating rice with reclaimed wastewater irrigation did not cause a problem to adverse effects on crop growth and yields. Overall, wastewater could be used as a practical alternative measure for reclaimed wastewater irrigation. However, long-term monitoring is recommended on the effects on soil chemical characteristics and its related health concerns.
소유역에서의 수계환경관리 및 평가시스템의 개발(I) - 시스템의 개발 및 구성 -
강문성,박승우,임상준,Kang, Moon-Seong,Park, Seung-Woo,Im, Sang-Jun 한국농촌계획학회 2001 농촌계획 Vol.7 No.1
In an effort to effectively manage and evaluate a water environment at a small watershed, a decision support system for a water environment management and evaluation has been developed. This paper described the overall features and functions of the water environment management and evaluation systems (WEMES) for environmental management, conservation, and evaluation at a small watershed. WEMES consisted of fore subsystems: data, simulation model, evaluation model, and user interface. Each of the systems were briefly described. And special features like simulation and evaluation models were also introduced.
강문성 ( Kang Moon-seong ),박승우 ( Park Seung-woo ),김상민 ( Kim Sang-min ) 한국농공학회 2002 한국농공학회 학술대회초록집 Vol.2002 No.-
The objectives of the paper are to develop the infra-technologies for reclaiming the effluents from wastewater treatment plants and reusing for agriculture water. The Suwon wastewater treatment plant has been selected for wastewater reuse tests and the water quality and treatment efficiencies are investigated. Three levels of wastewater treatments that are the effluent from the plant, sand filtering, and ultra-violet treatment are applied in the pilot system. The randomized block method was applied to wastewater application to paddy rice with five treatments, three blocks, and two replica. The control was the plots with groundwater irrigation, the other treatments are to use polluted stream flow by pumping, in addition to three wastewater treatments. The block test plots and field plots have been monitored for the water quality, soil pollution, and health hazards during the crop stages.
강문성 ( Kang Moon Seong ),박승우 ( Park Seung Woo ),윤광식 ( Yoon Kwang Sik ) 한국농공학회 1998 한국농공학회 학술대회초록집 Vol.1998 No.-
Sampling schemes are intended for use in situations where stream-flow data are collected regularly, but concentration data are collected during only a limited number of time periods. Estimating water pollutant loading considering sampling intervals is presented, and for illustrative purposes the criterion is applied to the sampling station HS#3 of the Balan-reservoir watershed which is located at the southwest of Suwon. The stratification is employed uniformly for all sampling strategies in that the strata boundaries are defined using the actual distribution of flow values and the selected nonexceedence probabilities to minimize inaccuracy. Ratio estimator for SS, T-N, and T-P were used in order to calculate the water pollutant loading. A sampling scheme incorporating stratified sampling with real-time of the sampling characteristics is found to give the appropriate estimate of the mass load.
다시기 Landsat TM 영상을 이용한 소유역의 토지이용변화 분석
강문성 ( Kang Moon Seong ),박승우 ( Park Seung Woo ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
The purposes of the study were to detect and evaluate the land use changes on the Balan Watersheds, located southwest of Suwon, using- the Thematic Mapper (TM) data. Three sets of TM data taken in 1985, 1993, and 1996 were used and the changes in the land use analyzed and compared. The supervised and unsupervised classification methods were adopted to classify five land-cover categories: Paddy, upland, forest, residential, and water. Future land use patterns were simulated using a Markov chain method, and the change ratios presented.
강문성 ( Kang Moon Seong ),박승우 ( Park Seung Woo ) 한국농공학회 2000 한국농공학회 학술대회초록집 Vol.2000 No.-
A artificial neural network model was developed to analyze and forecast the flow fluctuation at small streams in the Balan watershed. Backpropagation neural networks were found to perform very well in forecasting daily streamflows. In order to deal with slow convergence and an appropriate structure, two algorithms were proposed for speeding up the convergence of the backpropagation method, and the Bayesian Information Criterion(BIC) was proposed for obtaining the optimal number of hidden nodes. From simulations using daily flows at the HS#3 watershed of the Balan Watershed Project, which is 412,5 ㏊ in size and relatively steep in landscape, it was found that those algorithms perform satisfactorily.
강문성 ( Kang Moon Seong ),박승우 ( Park Seung Woo ),진영민 ( Chin Young Min ) 한국농공학회 1998 韓國農工學會誌 : 전원과 자원 Vol.40 No.1
A stochastic weather generator which simulate daily precipitation, maximum and minimum daily temperature, relative humidity was developed. The model parameters were estimated using stochastic characteristics analysis of historical data of 71 weather stations. Spatial variations of the parameters for the country were also analyzed. Model parameters of ungauged Sites were determined from parameters of adjacent weather stations using inverse distance method. The model was verified on Suwon and Ulsan weather stations and showed good agreement between simulated and observed data.
강문성 ( Kang Moon-seoung ),박승우 ( Park Seung-woo ) 한국농공학회 2002 한국농공학회 학술대회초록집 Vol.2002 No.-
The objectives of the paper are to develop the total maximum daily loads simulation system, TOLOS that is capable of estimation annual nonpoint source pollution from small watersheds, to monitor the hydrology and water quality of the Balhan HP#6 watershed, and to validate TOLOS with the field data.