Fundamental Study on Application of Geographic Information System to Construction of Rainfall‐Runoff Model of Urbanized Area

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  • 都市流域における流出モデル構築へのGISの応用
  • トシ リュウイキ ニ オケル リュウシュツ モデル コウチク エ ノ GIS

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Abstract

A Geographic Information System (GIS) was applied to the constructing process of the kinematic wave runoff model of Nagi Basin, which constitutes a part of Ogura Basin located in the south of Kyoto.It was clarified that the application of GIS facilitates a handling of many kinds of geographic data required in the process of estimating parameters of the rainfall‐runoff model.Moreover, the rainfall‐runoff simulation was performed using the constructed model.The accuracy of calculated discharge caused by a half to one‐day rainfall was sufficient for a practical use.

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