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Seamless Estimation of Hydrometeorological Risk Across Spatial Scales

Sieg, TobiasORCIDiD
Vogel, KristinORCIDiD
Merz, BrunoORCIDiD
Kreibich, HeidiORCIDiD
DOI: https://doi.org/10.1029/2018EF001122
Persistent URL: http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/9389
Sieg, Tobias; Vogel, Kristin; Merz, Bruno; Kreibich, Heidi, 2019: Seamless Estimation of Hydrometeorological Risk Across Spatial Scales. In: Earth's Future, Band 7, 5: 574 - 581, DOI: 10.1029/2018EF001122.
 
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  • Abstract
Hydrometeorological hazards caused losses of approximately 110 billion U.S. Dollars in 2016 worldwide. Current damage estimations do not consider the uncertainties in a comprehensive way, and they are not consistent between spatial scales. Aggregated land use data are used at larger spatial scales, although detailed exposure data at the object level, such as openstreetmap.org, is becoming increasingly available across the globe. We present a probabilistic approach for object-based damage estimation which represents uncertainties and is fully scalable in space. The approach is applied and validated to company damage from the flood of 2013 in Germany. Damage estimates are more accurate compared to damage models using land use data, and the estimation works reliably at all spatial scales. Therefore, it can as well be used for pre-event analysis and risk assessments. This method takes hydrometeorological damage estimation and risk assessments to the next level, making damage estimates and their uncertainties fully scalable in space, from object to country level, and enabling the exploitation of new exposure data.
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  • Geographie, Hydrologie [374]
Subjects:
spatial scales
risk assessment
hydro-meteorological hazards
object-based damage modeling
uncertainty
probabilistic approaches
This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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