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탐진강의 총량규제를 위한 오염원별 수계${cdot}$행정구역 허용부하량과 삭감부하량 할당에 관한 연구
황금록,황대호,백도현,이홍근,Hwang Kum-Lok,Hwang Dae-Ho,Paik Do-Hyeon,Lee Hong-Keun 한국환경보건학회 2004 한국환경보건학회지 Vol.30 No.5
This study is to calculate Allocation of Pollution Discharges by administrative region for the TMDL (Total Maximum Daily Load) on Tamjin River. TMDL has the water quality target and value ($BOD_5$, 1 ppm) and is calculated by the QUAL2E model. The expected TMDL for Tamjin River is 1,532,360 kg/day. The calculation showed that the main pollutants are due to the non-point sources in Tamjin River and the aqua-farms are another important sources near the bay. And sources from population and livestock should be reduced, especially aqua-farm source should be managed and eliminated first which is over 14,000 ton/day.
정효준,황대호,방승석,박수연,이홍근,Jeong Hyo-June,Hwang Dae-Ho,Bang Seung-Seok,Park Sue-Yeon,Lee Hong-Keun 한국환경보건학회 2002 한국환경보건학회지 Vol.28 No.1
This study was carried out to provide environmental information using geographic information system for the environmental manager engaged in governmental office. Point and nonpoint sources were classified by each small watershed and an administrative district. ArcView and ERDAS software were used to develop environmental information system. Small watershed was extracted into the DTEM using HEC-geoHMS which is ArcView extension. Study area was divided into 7 small watershed. Point sources were constituted as cattle, milk cattle, swine, and poultry. Land use was divided into forests, rice paddies, residential sites et al. User interface was designed to search information easily for the nonprofessional GIS users.
메이저 대회와 K-리그 축구 골키퍼의 크로스 방어 위치 분석
윤혜선(Yoon, Hye-Sun),황대호(Hwang, Dae-Ho),박영수(Park, Young-Soo) 한국체육과학회 2012 한국체육과학회지 Vol.21 No.4
This study has a purpose on the method of education and contents analysis by comparing K-League, analyzing and searching detail areas which soccer goalkeepers can defend on cross keeping among World Championship soccer goalkeepers from 2002 to 2008 of 106 major competitions. For achieving the goal of this study, I have surveyed 2008 world major competitions cross keeping videos through analyzing sports code program and produced analysis table of left and right cross area(left cross 16 area; 좌1~좌16, right cross 16 area; 우1~우16), which fits on this study. For further study, using offense image analysis table, I have concentrated on analyzing goalkeepers localizing when crossing, and categorized goalkeepers defense situation, goalkeepers losing a point exclusion situation(goalkeeper defense, defender defense, offense error), and goalkeepers defense exclusion situation(goalkeeper error, defender defense, offense error). As a result of this study, I found that cross happens at the right and left of penalty box(좌1~좌16, 우1~우16), and goalkeepers have various location when crossing. Moreover, comparing and analyzing K-League 78, I found that there are many differences among choosing location, goalkeepers movement. As a result, I conclude that we should have various goalkeeper education programs.
WASP/EUTRO5 모형을 이용한 영산호 수질에 대한 유입지류 영향의 평가에 관한 연구
김현용(Hyun Yong Kim),김지영(Ji Young Kim),황대호(Dae Ho Hwang),백도현(Do Hyun Paik),이홍근(Hong Keun Lee) 한국환경보건학회 2000 한국환경보건학회지 Vol.26 No.1
This study was performed to investigate significant reaction coefficients and assess the applicability of the WASP/ EUTRO5 model, which is commonly used for evaluation and prediction of lake and reservoir water quality, on Yongsan lake. Water quality impact of Yongsan river and Yongamcheon on Yongsan lake was studied by WASP/ EUTRO5 model. The major results of this study were as follows : 1. Sensitivity analysis showed that phytoplankton maximum growth rate(k₁c), phytoplankton oxygen to carbon ratio(aoc), deoxygenation rate at 20°C(kD), nitrification rate at 20°C(k₁₂) and dissolved organic phosphorus mineralization at 20°C(k83) played an important role in simulation of WASP/EUTRO5 model on the Yongsan lake. 2. k₁c, aoc, kD, k₁₂ and k83 were calibrated to be 2.5 day⁻¹, 2.67 mgO₂/ mgC, 0.055 day⁻¹, 0.05 day⁻¹, 0.22 day⁻¹ by trial error method using observed data. 3. Reliability index and integral square error, which evaluate the goodness of fit between observed data and simulated value, for calibration results were 1.35, 0.06 for DO, 1.73, 0.17 for BOD, 1.58, 0.08 for T-N, 2.48, 0.24 for T-P and for verification results were 1.25, 0.05 for DO, 1.49, 0.07 for BOD, 1.46, 0.07 for T-N, 1.89, 0.12 for T-P. 4. From the results of calibration and verification, it was found that application of the WASP/EUTRO5 model on Yongsan lake was possible. 5. Water quality impacts of Yongsan river and Yongamcheon on Yongsan lake were 9.79:1 for BOD, 6.75:1 for T-N, 24.52:1 for T-P.