都市部における浸水域の地形要因を理解するための3DCG教材の開発とその評価

抄録

In recent years, large-scale wind and flood disasters have continued to occur in the Japanese archipelago, and there is concern about flooding and other damage even in urban areas. Although municipalities have prepared flood hazard maps, it has been suggested that they are difficult to read. In this study, we developed a teaching material that displays urban topographic maps and flood hazard maps in 3DCG format on tablets and the Internet. Furthermore, using the developed teaching materials, we conducted a class practice for junior high school students. The results of the classroom practice showed that the use of 3D topographic maps displayed in 3DCG significantly improved the students’ accuracy rate in predicting flooding compared to that of flat topographic maps. In addition, the students’ evaluation of the teaching materials suggested that by using the 3DCG hazard map, they were able to notice the danger of inundation in depressions on a plateau, which they had not noticed on the 3D topographic map.