Use of parameter optimization to estimate a flood wave: Potential applications to remote sensing of rivers

by: Helene Roux, Denis Dartus

Journal of Hydrology, Vol. 328, No. 1-2. (30 August 2006), pp. 258-266.

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Abstract

SummaryIn this paper, the potential for identifying discharge and/or flood hydrograph from remotely sensed data is explored. The parameter identification process is based on the minimization of the difference between the solution of the model equations and the observed system response which consists in maximum inundation extent. The river geometry is supposed to be known, effect of the accuracy of these data on the estimation has been tested. Sensitivity of the model to individual parameters is then assessed using an extension of the generalized sensitivity analysis. Synthetic data have been used to test the methodology. Results show that the Nash criterion of the estimated flood hydrograph is higher than 0.9 for all the tested cases.

@article{citeulike:970492, abstract = {SummaryIn this paper, the potential for identifying discharge and/or flood hydrograph from remotely sensed data is explored. The parameter identification process is based on the minimization of the difference between the solution of the model equations and the observed system response which consists in maximum inundation extent. The river geometry is supposed to be known, effect of the accuracy of these data on the estimation has been tested. Sensitivity of the model to individual parameters is then assessed using an extension of the generalized sensitivity analysis. Synthetic data have been used to test the methodology. Results show that the Nash criterion of the estimated flood hydrograph is higher than 0.9 for all the tested cases.}, author = {Roux, Helene and Dartus, Denis }, booktitle = {Measurement and Parameterization of Rainfall Microstructure}, citeulike-article-id = {970492}, doi = {10.1016/j.jhydrol.2005.12.025}, journal = {Journal of Hydrology}, keywords = {1d, assimilation, flood, rs}, month = {August}, number = {1-2}, pages = {258--266}, posted-at = {2006-12-01 14:56:05}, priority = {2}, title = {Use of parameter optimization to estimate a flood wave: Potential applications to remote sensing of rivers}, url = {http://dx.doi.org/10.1016/j.jhydrol.2005.12.025}, volume = {328}, year = {2006} }

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TY - JOUR ID - citeulike:970492 L3 - citeulike-article-id:970492 TI - Use of parameter optimization to estimate a flood wave: Potential applications to remote sensing of rivers T2 - Measurement and Parameterization of Rainfall Microstructure JF - Journal of Hydrology VL - 328 IS - 1-2 SP - 258 EP - 266 N2 - SummaryIn this paper, the potential for identifying discharge and/or flood hydrograph from remotely sensed data is explored. The parameter identification process is based on the minimization of the difference between the solution of the model equations and the observed system response which consists in maximum inundation extent. The river geometry is supposed to be known, effect of the accuracy of these data on the estimation has been tested. Sensitivity of the model to individual parameters is then assessed using an extension of the generalized sensitivity analysis. Synthetic data have been used to test the methodology. Results show that the Nash criterion of the estimated flood hydrograph is higher than 0.9 for all the tested cases. KW - 1d KW - assimilation KW - flood KW - rs AU - Roux, Helene AU - Dartus, Denis PY - 2006/08/30/ UR - http://dx.doi.org/10.1016/j.jhydrol.2005.12.025 ER -

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