Accessibility and flood risk spatial indicators as measures of vulnerability

Abstract

Based on the recent literature relating transport service level and social exclusion, as well as perceptions about the capacity to cope with the occurrence of flood events, this paper identified the spatial pattern related to flood risk and accessibility to urban facilities. For that, composite spatial indicators are developed and compared with socioeconomic data. The analysis shows the outskirts of the city with the most vulnerable places, with high levels of flood risk and low levels of accessibility. Besides that, the high-risk areas are characterized by low income level as well as the low percentage of residents with sewage system is a typical condition of regions with low level of accessibility and close to flood prone areas.