La Houille Blanche
Number 5, Août 1991
|Page(s)||341 - 348|
|Published online||01 October 2009|
Prévision des crues dans les petits bassins versants de montagne : prise en compte de la variabilité spatiale des pluies et des mécanismes de production par l'approche DPFT
Flow forecast in small mountainous watersheds: Inclusion of rainfall and production mechanism spatial variabilities by the FDTF-ERUHDIT approach
EDF - DTG, Sce Ressources en Eau, B.P. 4348, 31029 Toulouse Cedex, France
2 ENSHMG-IMG, B.P. 53 X, 38041 Grenoble Cedex, France
3 INSTITUT JAUME ALMERA, Ap. 30102, 08080 Barcelona, Espagne
This paper condenses the last results obtained in rainfall-runoff modeling by the lumped and operational FTDF-ERUHDIT model. After placing the approach in relation to current needs, some tests and results obtained with synthetic data are presented (model adequacy if the transfer function is not supposed to be invariant, baseflow filtering capability, ...). The extension of this method to bi-inputs cases is also discussed. Finally, some researches on production functions, which may be from now fitted using FDTF-ERUHDIT results like an input-output problem, are summarized. Three production functions, belonging to the three great families currently used in hydrology, have been tested and compared. The introduction of index linked with rainfall fields or contributing areas seems to improve the results of this lumped and operational model.
© Société Hydrotechnique de France, 1991
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