ENACT-POP R2020A - ENACT 2011 Population Grid

Schiavina, Marcello; Freire, Sérgio; Rosina, Konštantín; Ziemba, Lukasz; Herrera, Mario Marin; Craglia, Massimo; Lavalle, Carlo; Kemper, Thomas; Batista, Filipe

doi:10.2905/be02937c-5a08-4732-a24a-03e0a48bdcda

Cited by 2 publications

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“…and the ENhancing ACTivity and population mapping 2011 Population Grid (ENACT-POP R2020A;Schiavina et al, 2020), that provide raster-based information about the distribution of population, were used to assess the number of people affected by the flood (see Section 3.2). The GHS-POP includes a static layer of the distribution of people in 2015; the ENACT includes 24 layers describing the population distribution by night and day for each month of the reference year 2011.…”

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Validated probabilistic approach to estimate flood direct impacts on the population and assets on European coastlines

Duo,

Montes,

Le Gal

et al. 2023

Preprint

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Abstract. This work presents the approach used to estimate coastal flood impact, developed within the EU H2020 European Coastal Flood Awareness System (ECFAS) Project, for assessing flood direct impacts on population, buildings, and roads along the European coasts. The methodology integrates object-based and probabilistic evaluations to provide uncertainty estimates for damage assessment. The approach underwent a user-driven co-evaluation process, it was applied to 16 test cases across Europe and validated against reported impact data in three major reference cases. A comparison with grid-based damage evaluation methods was also conducted. The findings demonstrate that the ECFAS Impact approach offers valuable estimates for affected populations, reliable damage assessments for buildings and roads, and improved accuracy compared to traditional grid-based approaches. The methodology also provides information for prevention and preparedness activities, facilitates further evaluations of risk scenarios and cost-benefit analysis of disaster risk reduction strategies. The approach is a tool suitable for large-scale coastal flood impact assessments, offering improved accuracy and operational capability for coastal flood forecasts. It represents a potential advancement of the existing EU-scale impact method used by the European Flood Awareness System (EFAS) for riverine flood warnings. The integration of object-based and probabilistic evaluations, along with uncertainty estimation, enhances the understanding and management of flood impacts along the European coasts.

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confidence: 99%

Validated probabilistic approach to estimate flood direct impacts on the population and assets on European coastlines

Duo,

Montes,

Le Gal

et al. 2023

Preprint

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Uncovering temporal changes in Europe’s population density patterns using a data fusion approach

et al. 2020

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The knowledge of the spatial and temporal distribution of human population is vital for the study of cities, disaster risk management or planning of infrastructure. However, information on the distribution of population is often based on place-of-residence statistics from official sources, thus ignoring the changing population densities resulting from human mobility. Existing assessments of spatio-temporal population are limited in their detail and geographical coverage, and the promising mobile-phone records are hindered by issues concerning availability and consistency. Here, we present a multi-layered dasymetric approach that combines official statistics with geospatial data from emerging sources to produce and validate a European Union-wide dataset of population grids taking into account intraday and monthly population variations at 1 km2 resolution. The results reproduce and systematically quantify known insights concerning the spatio-temporal population density structure of large European cities, whose daytime population we estimate to be, on average, 1.9 times higher than night time in city centers.

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ENACT-POP R2020A - ENACT 2011 Population Grid

Cited by 2 publications

References 0 publications

Validated probabilistic approach to estimate flood direct impacts on the population and assets on European coastlines

Validated probabilistic approach to estimate flood direct impacts on the population and assets on European coastlines

Uncovering temporal changes in Europe’s population density patterns using a data fusion approach

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