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Title: Calibration of 2D hydraulic inundation models in the floodplain region of the lower Tagus river
Authors: R. Pestana
M. Matias
R. Canelas
Roque, D.
A. Araújo
E. Van Zeller
Teixeira, A.
Ferreira, R. L.
R. Oliveira
Heleno, S.
Keywords: Floods;Calibration of hydraulic inundation models;SAR images
Issue Date: Dec-2013
Publisher: ESA Communications
Citation: Pestana, R., Matias, M., Canelas, R., Roque, D., Araújo, A., Van Zeller, E., Trigo-Teixeira, A., Ferreira, R., Oliveira, R., Heleno, S. (2013). Calibration of 2D hydraulic inundation models in the floodplain region of the lower Tagus river. In Proc. ESA Living Planet Symposium 2013, Edinburgh, UK, 9-13 September 2013 (ESA SP-722, December 2013)
Abstract: In terms of inundated area, the largest floods in Portugal occur in the Lower Tagus River. On average, the river overflows every 2.5 years, at times blocking roads and causing important agricultural damages. This paper focus on the calibration of 2D-horizontal flood simulation models for the floods of 2001 and 2006 on a 70-km stretch of the Lower Tagus River. Flood extent maps, derived from ERS SAR and ENVISAT ASAR imagery were compared with the flood extent maps obtained for each simulation, to calibrate roughness coefficients. The combination of the calibration results from the 2001 and 2006 floods provided a preliminary Manning coefficient map of the study area.
Appears in Collections:DBB/NGA - Comunicações a congressos e artigos de revista

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