Understanding of housing damage and amount of flood waste caused by flooding of the Fuji river basin

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  • 富士川流域における浸水発生による住宅地被害額及び水害廃棄物発生量の把握

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<p>In recent years, many floods caused by heavy rain have occurred in the Fuji river basin, and the damage to houses has been enormous. Measures must be taken to mitigate the damage, but first it is necessary to understand the extent of the damage. When strong flooding occurs, the cost of damage is greater. Prompt restoration and reconstruction can be expected if the amount of flood-generated waste is reduced. This study estimates the amount of flood-generated waste and damage to existing houses in the anticipated inundation area of the Fuji river basin. We applied estimations to each tertiary mesh cell while considering changes in the population, number of households, and housing life cycle from 2010 to 2050. The amount of damage caused by anticipated flooding in 2050 was estimated at approximately 4,070,000 yen per capita: an 8.0% increase from 3,770,000 yen per capita in 2010. Flood-generated waste disposal per capita in 2050 was estimated at approximately 36 tons, an increase of 9.0% from approximately 33 tons in 2010.</p>

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