Abstract
Tokyo Storm Runoff (TSR) model using urban landscape GIS delineation is proposed. The polygon feature GIS data are used to parameterize complicated land use patterns in the urban catchment for the modelling. It is shown how various land use, streets, drainage and river systems are used as input to coupled hydraulic and hydrological models. In this model, if the precipitation rate and surface runoff rate from adjacent elements exceed the infiltration rate, runoff will occur. The model is applied to a flood-prone urban catchment in Tokyo with hypothetical rainfall events. It is found that the model can simulate the physical rainfall-runoff process, but validation of the effects of infiltration process expressed in this study should be done in the future.
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More From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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