A STUDY ON MATERIAL STOCK AND FLOW ANALYSIS OVER TIME USING 4d-GIS IN NAGOYA CITY

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  • 名古屋市中心部における4d-GISを用いた都市の経年変化によるMSFAに関する研究

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 A large amount of minerals become material flows in and out of urban areas when buildings and infrastructure, such as roads, are constructed and reconstructed. In order to do effective management of materials in a sound material-cycle society, it is necessary to estimate and grasp these material flows. This study describes a comparative MSFA (Material Stock and Flow Analysis) using 4d-GIS in the Nagoya city center for 1970, 1980, 1990, 1997, 2003, and 2009. Material stock in the case study area was found to be increasing, with large material accumulation in the commercial area. Additionaly, it was clarified that changes in the urban structure system has huge impacts on urban metabolism.

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