Abstract
Deterioration of stormwater retention and infiltration functions in urbanized river basins causes rainfall outflow to increase.
Conventional measures for stormwater control have been implemented through river improvement and construction of storage ponds.
In recent years, there has been an increasing demand for improving the landscape and amenity function in waterfront spaces including storage ponds and rivers. To cope with this issue, it is basically necessary to preserve low water runoff systems in urban areas.
This paper describes a water environment creation plan which aims to preserve the low water runoff system of Hiratani River in the Hokusetsu Sanda Woody Town, under construction in Sanda City, Hyogo Prefecture, by installing underground rainwater storage facilities and utilizing the existing irrigation ponds with consideration to amenity enhancement and flood protection as well.
