2008 Volume 52 Pages 871-876
In this study, taking up the area which is not put up city block data, calculation technique to calculate city block is developed according to combining digital map 2500 with city region digital map in Sendai City. Besides in these years digital sewage map is computerized in various regions. And so we can obtain from digital sewerage map the information, and the technique which can connect to the road network on the ground was developed. Furthermore the method to divide into pervious area and impervious area which has an effect on the landside inundation with laser profiler data is developed. Based on the above result, analytical model is applied to rainfall of August, 1986, and the result set against the questionnaire result.
