External Publications
2020 .06

GFPLAIN250m, a global high-resolution dataset of Earth’s floodplains


Authors: Fernando Nardi, Antonio Annis, Giuliano Di Baldassarre, Enrique R. Vivoni, Salvatore Grimaldi
Keywords: Floodplain, GFPLAIN250m dataset, flood risk, climate change
Published in: Scientific Data

Abstract

Identifying floodplain boundaries is of paramount importance for earth, environmental and socioeconomic studies addressing riverine risk and resource management. However, to date, a global floodplain delineation using a homogeneous procedure has not been constructed. In this paper, we present the first, comprehensive, high-resolution, gridded dataset of Earth’s floodplains at 250-m resolution (GFPLAIN250m). We use the Shuttle Radar Topography Mission (SRTM) digital terrain model and set of terrain analysis procedures for geomorphic floodplain delineations. The elevation data are processed by a fast geospatial tool for floodplain mapping available for download at https://github.com/fnardi/GFPLAIN. The GFPLAIN250m dataset can support many applications, including flood hazard mapping, habitat restoration, development studies, and the analysis of human-flood interactions. To test the GFPLAIN250m dataset, we perform a consistency analysis with floodplain delineations derived by flood hazard modelling studies in Europe.

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GFPLAIN250m, a global high-resolution dataset of Earth’s floodplains
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GFPLAIN250m, a global high-resolution dataset of Earth’s floodplains

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