La Houille Blanche
Number 1, Février 2002
|Page(s)||41 - 48|
|Published online||01 July 2009|
Etats de surface et ruissellement, l'approche par télédétection
Use of remote sensing data as alternative inputs in the runoff modeling
BRGM - Risques Naturels et Aménagement 3 Av. Cl. Guillemin BP 6009 45060 Orléans Cedex
This paper proposes a brief synthesis about the information retrieved from remote sensing data and which could be reliable with the both significant functions of the surfaces of catchments basins in the dynamic of an hydrosytem : the function of production and the function of transfer. After a presentation of examples of retrieved information (characterization of soil surface by various wavelength, temporal changes of surfaces, incisions and geometry of possible ways of water...), one examine how those information can provide parameters as input into models of runoff or erosion. Finally we scan at what level of assimilation of remote sensing data into deterministic models the teams are presently arrived.
© Société Hydrotechnique de France, 2002
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