Flood processes are one of the most challenging to risk assessment and
management. In many situations, peak flows are generated kilometers away from
the places where inundation is observed. Scale in flood risk assessments is a fundamental factor when estimating hazard, exposure, and vulnerability. Municipal, civil
parish, and building-level information are used to construct flood risk indexes and
profiles. It is observed that, depending on the scale at which it is represented, the same
root information provides distinct insights into flood risk expression in the Lisbon
Metropolitan Area. When compared with the Flood Directive critical areas, the results
show they are mostly consistent with the results at the different scales, identifying the
same hotspots of flood risk (in the Loures, V. F. Xira, and Setúbal municipalities) as
those selected during the Directive’s implementation. Flood loss reduction implies
the involvement of distinct risk practitioners and decision-makers, acting at distinct
scales and sectors related to risk governance. Interconnections between flood risk
components and between flood processes and other potential cascading processes
are still insufficiently known and require the priority of society.info:eu-repo/semantics/publishedVersio
