Abstract
In this study, future hourly rainfall data were generated from future daily rainfall data driven from climate models using a point rainfall model. In addition, the EPA-SWMM model was constructed for the Noksan Industrial Complex in Busan and the future hourly rainfall data were used to simulate future stormwater. As a result of the hourly rainfall projection, it was confirmed that the trend in the case of extreme rainfall events would increased in Busan area to the future, but Seoul area would tended to decrease in the future. As a result of projecting the future stormwater in Busan, it was found that the stormwater were likely to increase with the future, and the flood risk and non-point pollutant load resulting from this increase were also likely to increase. In the case of urban streams in Busan in the future, the number of days when stormwater occurs is likely to increase, so that it was expected that the number of days when water flows into urban streams would increase. Keywords: Climate Change, EPA-SWMM, Point Rainfall Model, Stormwater
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