EFFECT OF LAND USE DATA ON RUNOFF RESPONSE FOR AN URBAN RUNOFF MODEL

Hideo Amaguchi, Akira Kawamura
2006 PROCEEDINGS OF HYDRAULIC ENGINEERING  
1 正会員 首都大学東京助手 都市環境科学研究科(〒192-0397 東京都八王子市南大沢1-1) 2 正会員 首都大学東京教授 都市環境科学研究科(〒192-0397 東京都八王子市南大沢1-1) Distributed runoff model have been becoming useful for describing urban runoff processes. Such kind of model reflects hydrological elements such as land use and sewerage system. In particular, hydrological elements in urban area are very complicated and affect results of runoff analysis. The purpose of this study is to investigate the effect of hydrologic elements such as land use form of element
more » ... use form of element on runoff characteristics. Runoff simulations using two type of different form such as grid format and polygon format of land use model in the Kotta River were carried out. Then hydrograph of these runoffs were discussed. The result is as follows; 1) the grid data of 100m or less land use is necessary in urban area, 2) the runoff characteristics is determined by distribution of the land use area in polygon form.
doi:10.2208/prohe.50.301 fatcat:ks2vj4o6cbeafm4bq27s3a4y5i