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GIS for flood risk assessment and risk management


The methodology described in this section shows how to build flooded area maps starting from rainfall events of a designed return period.

The procedure is based on the application of hydrological model, hydraulic model and Open Source GIS tools.









Introduction

The application builds flooded area maps starting from rainfall events of a designed return period.
The procedure is based on the application of hydrological model, hydraulic model and Open Source GIS tools.



DEM sources

European DB

http://www.eea.europa.eu/data-and-maps/data/eu-dem

National level (Italy) DEM 20m

http://www.sinanet.isprambiente.it/it/sia-ispra/download-mais/dem20/view

For Genoa City

For higher than 20m resolution data, no free data are available.


DOWNLOAD FLOODMAP
DEMONSTRATION
REPORT GENOAGIS_floods_Genua_files/Flood%20Maps-GIS%20application.pdf