Title: Sensitivity analysis and parameter estimation for the distributed modeling of infiltration excess overland flow
Authors: CASTAINGS WILLIAMDARTUS D.LE DIMET F.-X.SAULNIER G.-M.
Citation: Hydrology and Earth System Sciences Discussions vol. 4 no. 1 p. 363-405
Publisher: European Geosciences Union
Publication Year: 2007
JRC Publication N°: JRC36089
ISSN: 1812-2108
URI: http://www.hydrol-earth-syst-sci-discuss.net/4/363/2007/hessd-4-363-2007.html
http://publications.jrc.ec.europa.eu/repository/handle/JRC36089
DOI: 10.5194/hessd-4-363-2007
Type: Articles in Journals
Abstract: The variational methods widely used for other environmental systems are applied to a spatially distributed flash flood model coupling kinematic wave overland flow and Green Ampt infiltration. Using an idealized configuration where only parametric uncertainty is addressed, the potential of this approach is illustrated for sensitivity analysis and parameter estimation. Adjoint sensitivity analysis provides an extensive insight into the relation between model parameters and the hydrological response and enables the use of efficient gradient based optimization techniques.
JRC Institute:Institute for the Protection and Security of the Citizen

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