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Flood Risk, Environmental Co-exposures, and Health Vulnerability in Germany

KeyNAKO-1270

Project leadDr. rer. nat Nivedita Sairam

Approval date17.03.2026

Published date21.04.2026

SummaryDisasters can no longer be assessed in isolation, as impacts increasingly arise from the complex interactions of co-occurring and compounding hazards with vulnerability dynamics. This project aims to examine how flood exposure in Germany overlaps with other environmental stressors, such as fine particulate air pollution (PM2.5) and extreme heat, and how these combined exposures relate to population health vulnerability. The objective is two-fold - 1. to identify spatial patterns of flood-and-environmental exposure combinations using high-resolution flood simulation data from the German Regional Flood Model (RFM) (GFZ), revealing clusters where flood risk coincides with other stressors; 2. to assess how these combined exposures are associated with differences in health-related vulnerabilities, using geocoded health and demographic data from the NAKO baseline cohort (HMGU). The study will provide an integrated understanding of environmental co-exposures and health risks.

Keywords Flood-vulnerability environmental-exposure multi-hazard

InstitutionsGFZ, Helmholtz Zentrum München, Charité – Universitätsmedizin Berlin, GFZ Helmholtz-Zentrum für Geoforschung

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