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Proceedings Paper

Evaluation of river flow in Europe over the last four decades using ERA40
Author(s): Ben T. Gouweleeuw; Jutta Thielen; Ad de Roo; Hannah Cloke; Johan Van der Knijff; Gian Franchello
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Paper Abstract

ERA-40 stands for ECMWF Re Analysis and refers to the rerun of the European Centre of Medium Range Weather Forecast (ECMWF) Global Circulation model for the period September 1957- August 2002 utilizing all state-of-the-art information and satellite data input presently available. Here, a selection of the ERA-40 atmospheric output data at the surface is used to force the catchment hydrological model LISFLOOD to simulate historic river flows for the whole of Europe on a 5km grid resolution. Once evaluated against observed rainfall and point flow data, the output constitutes an extensive and coherent 40+ year database of pan-European calibrated river flow time series, providing a wealth of information and potential for a range of evaluation purposes. For example, statistical analyses could serve to detect flooding and/or drying frequency trends. Alternatively, the output dataset could be used to assess flood alert levels in a consistent and uniform manner at any point for any river in Europe. The set would also be extremely useful as a basis for scenario studies, investigating the impact of policy and decision making such as de/aforestation and water reservoir management on flow regimes. Further, in the context of the general scientific consensus of an expected increasing trend in extreme events, the database may serve as a resource of information for extrapolated future scenarios.

Paper Details

Date Published: 26 October 2004
PDF: 10 pages
Proc. SPIE 5568, Remote Sensing for Agriculture, Ecosystems, and Hydrology VI, (26 October 2004); doi: 10.1117/12.567732
Show Author Affiliations
Ben T. Gouweleeuw, European Commission Joint Research Ctr. (Italy)
Jutta Thielen, European Commission Joint Research Ctr. (Italy)
Ad de Roo, European Commission Joint Research Ctr. (Italy)
Hannah Cloke, King's College London (United Kingdom)
Johan Van der Knijff, European Commission Joint Research Ctr. (Italy)
Gian Franchello, European Commission Joint Research Ctr. (Italy)

Published in SPIE Proceedings Vol. 5568:
Remote Sensing for Agriculture, Ecosystems, and Hydrology VI
Manfred Owe; Guido D'Urso; Ben T. Gouweleeuw; Anne M. Jochum, Editor(s)

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