Flood risk analysis for metropolitan areas – a case study for Shanghai

In Shanghai, the main threat to the city’s safety is a typhoon induced storm surge in combination with a high astronomic tide in the Huangpu River. Historical flood events have shown that the weakness of the floodwall, with potential overtopping and breaching along the Huangpu River and its branches, has caused great economic damage and loss of...

Flood damage estimation for downtown Shanghai sensitivity analysis

Flood damage estimation is essential to flood risk analysis. Flood hazards, values of elements at risk and vulnerability of elements determine flood damage. However, these determinants entail uncertainties. In this study, water depth, values of elements at risk and damage function are selected as three key parameters. The local sensitivity...