Hydro-statistic Consideration on Efficiency of Infiltration Facilities at Houses

Abstract

The authors introduce a fractional function for adaptation of a hystogram of hourly rainfall data for 13 years at Musashikoganei. Then, using the above fractional function, they develop relationship between infiltration capacity of infiltration facilities and ratio of infiltration to annual rainfall. And an example of estimation of efficiency of infiltration facilities at houses is shown for Kokubunji experimental basin.