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SIMULATION DU COMPORTEMENT DES ECOULEMENTS D'EAU EN UTILISANT LE RESEAU HYDROLOGIQUE D'UN BASSIN VERSANT : CAS DE L ´OUED BENIMESSOUS, ALGÉRIE

Abstract : Algeria, vast country, known for its mountain chains is confronted with problems related to runoff, strong rivers flow and flooding in depressions zones. One of the most important aspects for the management of water resources is the good knowledge about the hydrographic network. In this context, the work presented is a contribution for a methodological approach using satellite image data for the generation of Digital Terrain Models (DTM) and the extraction of hydrological networks parameters. We have applied this methodology in a study of the Oued Benimessous drainage area located to the west of Algiers(the capital).In the first step, we have developed an Interferometric processor for the generation of a DTM from a radar image couple of ERS1 / 2 tandem data set and we calculated geomorphometry parameters. For the description of the water runoff we determined, in the second step, flow map directions using the D8 model, local and global drainage and the hydrological network. Also, we have proposed, a simulation of different weather situations by changing precipitation water quantities.
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https://hal.archives-ouvertes.fr/hal-00434257
Contributor : Bernard Lacaze Connect in order to contact the contributor
Submitted on : Saturday, November 21, 2009 - 1:01:31 PM
Last modification on : Thursday, December 20, 2018 - 10:10:11 AM
Long-term archiving on: : Thursday, June 17, 2010 - 9:18:41 PM

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Faiza Hocine, Mostefa Belhadj-Aissa, Fifa Haddoud, Mounira Ouarzeddine, Aichouche Belhadj-Aissa. SIMULATION DU COMPORTEMENT DES ECOULEMENTS D'EAU EN UTILISANT LE RESEAU HYDROLOGIQUE D'UN BASSIN VERSANT : CAS DE L ´OUED BENIMESSOUS, ALGÉRIE. Teledetection, Editions des Archives Contemporaines / Editions scientifiques GB / Gordon and Breach Scientific Publishers, 2008, 8 (3), pp.179-191. ⟨hal-00434257⟩

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