Table 4. Data and methodological differences between this study and the external studies under comparison.

Dataset	This study	Hallegatte et al. 2011 (ref. 2)	Hallegatte et al. 2013 (ref. 7)
Urban area	Urban cluster from 100 m CORINE land-cover data	Post-code areaa	Post-code areaa
Orography	30 m resolution EU-DEM (SRTM based)	90 m SRTM	90 m SRTM, except for proprietary 10 m DEM in the UK
Exposure	Value per m2 derived from LUCAS land-use data	Insured valuea	Produced capital based on Landscan 2002 population and GDP per capita
Flooding	Static inundation scheme for hydraulically connected cells	Layers of elevation above MSL	Layers of elevation above MSL
Damage	Relative depth-damage functions for 5 land uses	Vulnerability curves for asset classes residential, commercial, and industriala	Relative depth-damage functions for 6 building and contents classes

^aProprietary data owned by Risk Management Solutions (RMS).