http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
단순회귀모형을 이용한 인구와 도시적 토지이용이 팔당호 수질에 미치는 영향 분석
김상단 ( Sang Dan Kim ),송미영 ( Mee Yong Song ),이기영 ( Ki Young Lee ),이성룡 ( Seong Ryong Lee ) 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
In this study, a simple regression model is proposed in order to analyse the effect of population and urban land use on the water quality of Paldang lake, Gyeonggi. As a comparison result with Qua12E water quality model, the proposed model shows very good predicting performance in simulating several alternative scenarios. In order to accomplish BOD 1ppm of Paldang lake, various model applications show that the population incoming and urban land use management should be afoot in addition to stricter outflow water quality from sewer treatmement systems.
시계열 모형의 적용을 통한 댐 방류의 수질개선 효과 검토
김상단 ( Sang Dan Kim ),유철상 ( Chul Sang Yoo ) 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
Water quality forecasting with long term flow is important for management and operation of river environment. However, it is difficult to set up and operate a physical model for water quality forecasting due to large uncertainty in the data required for model setting. Therefore, relatively simpler stochastic approaches are adopted for this problem. In this study we try several multivariate time series models such as ARMAX models for the possible substitute for water quality forecasting. Those models are applied to the BOD and COD levels at Noryangin station, Han river, and also evaluated the effect of release from Paldang dam on them. Monthly BOD and COD data from 1985 to 1991 (7 years) are used for model building and another two year data for model testing. As a result of the study, the effect of improvement on water quality is much more effective combining with the water quality improvement of dam release than considering only increment of dam release in the downstream Han river.
도시유역에서 공간적으로 분포된 소규모 강우유출수 관리시설의 최적설치위치선정
김상단 ( Sang Dan Kim ),임용균 ( Yong Kun Lim ),김진관 ( Jin Kwan Kim ),강두기 ( Doo Kee Kang ),서성철 ( Seong Cheol Seo ),이재관 ( Jae Kwan Lee ) 한국물환경학회 2010 한국물환경학회지 Vol.26 No.6
Spatially distributed on-site devices such as bioretentions and bioboxfilters are becoming more common as a means of controlling urban stormwater quality. One approach to modeling the cumulative catchment-scale effects of such devices is to resolve the catchment down to the scale of a land parcel or finer, and then to model each device separately. The focus of this study is to propose a semi-distributed model for simulating urban stormwater quantity and identifying best sites for spatially distributed on-site stormwater control devices in an urban drainage system. A detailed model for urban stormwater improvement conceptualization simulation is set up for a 0.9342 km(2).