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Urban Floods in Italy

The Italian use case, focuses on the Piedmont region around the Po River. Archive data shows that the region has faced a crisis event on average every 2 years since 1800. 

Given its medium hazard level for riverine floods, the region is particularly susceptible to flooding. With a dense population and an abundance of infrastructure, particularly industrial measures such as the levee construction and real-time forecasting have been implemented for flood risk mitigation. Supported by high-resolution datasets and LiDAR scans, this use case enables the integration of advanced 3D modelling techniques for improved flood prediction and impact assessment.

Use Case Type: Hot & Cold 

Map of Meisino, Italy

Key Information:

Locality: Turin Centre

Event Date: 21/11/2016 – 25/11/2016

Event Type: Riverine Flood

Use Case Objective: Map Urban Floods & Flood Depth

Most Intense Flood Episode: In November 2016, persistent and heavy rainfall caused flooding in Piedmont, impacting the River Po and leading to substantial rises in water levels across the region.

Key Information:

Locality: Ceva Centre

Event Date: 02/10/2020 – 03/10/2020

Event Type: Riverine Flood

Use Case Objective: Map Urban Floods & Flood Depth

Most Intense Flood Episode: In October 2020, Piedmont was affected by heavy rainfall in the Upper Tanaro area, causing the water level of the Tanaro River to rise significantly.

Indicators to be tested:

  • Historical 6 hourly return period precipitation maps
  • Machine Learning data driven forecast of return period-based precipitation events in urban areas
  • Urban inundation probability maps and water depth defined by return period at a spatial resolution lower than 10m
  • Inferred Interferometric Synthetic Aperture Radar (InSAR) urban flood extent
  • Urban flooding map based on geomorphological and InSAR appraoch for an improved damage assessment
  • Social and traditional media indicators for urban flooding maps
  • Hazard web sources indicator
  • Economic impact of floods
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