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金熙鐘,全裕燦,金一龍 東亞大學校 1986 東亞論叢 Vol.23 No.1
Water discharge recession curves of runoff were composed for 6 basins from long term discharge data which has been examined on their reliability. The attenuation constant of a master recession curve between base water-discharge and initial storm loss was compared with a simple index made from geographic gradient and geologic matrix of each basin. The two values seem to have correlation, provided that the river density is taken into account. It strongly suggests that the quantative relationship between master recession curve and geography and geology of the basin would possibly be existent. The results obtained are summarized as follows; 1. a relationship between Initial storm Loss and Base Water-Dischre; r=0.74, 0.83, 0.77, 0.99, 0.98, 0.89, t=95%over 2. a relationship between constant of Initial Storm Loss (c) and Recession Coefficient; r=0.82 t=95%over 3. a relationship between River Density and Recession Coefficient; r=0.83, t=95%over. 4. a relationship between Average Gradient of the River Basin and Recession Coefficient; r=0.83, t=95%over 5. a relationship between Shape Factor and Recession Coefficient; r=0.823, t=95%over.
Pump排水에 의한 湛水防止計劃 : 釜山, 沙上地區를 中心으로 with reference to the SA-SANG region
金熙鍾,金一龍 東亞大學校 大學院 1988 大學院論文集 Vol.13 No.-
In the neighbourbood or rivers and seas, there being too much flooding damage caused by the flood runoff of river basin and the countercurrent of seas, we have to madk adequate flooding protection disegns for the region. The object of this thesis is there to decide the optimum pump drainage size of the flooding areas. We try to decide a accurate return period of the region and make a economic plan. We analyze the hydrologic data according to the return period. And as a result of tha, we calculate the outside water level and inside water level. We have to decide a approval flooding depth by regional peculiarity and lead to a minimum displacement. That is, however, no easy task. The calculation is muh trial and intricate. Therefore we have to elevate calculating efficiency with computer.
진병화,변희룡 한국환경과학회 2000 한국환경과학회지 Vol.9 No.2
Through numerical experiment using simplified OSU-ID PBL(Oregon State University One-Dimensional Planetary Boundary Layer) model and field measurement, we studied the impacts of vegetation canopy on heat island that was one of the characteristics of local climate in urban area. It was found that if the fraction of vegetation was extended by 10 percent, the maximum air temperature and the maximum ground temperature can come down about 0.9℃, 2.3℃, respectively. Even though the field measurement was done under a little unstable atmospheric condition, the canopy air temperature was lower in the daytime, and higher at night than the air and ground temperature. This result suggests that the extention of vegetation canopy can bring about more pleasant local climate by causing the oasis, the shade and the blanket effect.