Potentiel de la Tldtection radar (C-ROS) pour l’etude Rapport de Stage du Certificat d’e ́tudes Supe ́rieures Agronomiques, Ecole Nationale Superieure. The objective of this study is to evaluate and spatialize the risk of flooding in the department Sinfra located in west-central Côte d’Ivoire, with a view to prevention . CIRAD UMR TETIS,, Maison de la Tldtection,, Montpellier,, ,, France, He received the M.S. degree in Statistic from Ecole Nationale Superieure de.

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The high-resolution satellite images will supply certainly results more decisive than those of the average spatial resolutions who can not see all the details of the borders of the stretch of water. Ces cartes du risque dinondation de plaine, outils daide la dcision ainsi obtenues contribueront llaboration des stratgies tldtecttion et par la remonte de dadaptation des populations au aux risques naturels dus aux effets des changements climatiques.

Cette tude a identifi cinq niveaux de risque tres faible, faible, modere forte, trs forte contre trois pour nos travaux faible, modere, lev.

Inondation, dbordement des cours deaux, remonte de nappe, Tldtection, Systme dInformations Gographiques Introduction De nombreuses tudes Afouda et al. The sealing of the bays of the lagoon is often the fact of the failure of the sewer systemThese stuffy environments establish the principal points of outcome of the sewerage system of the city of Abidjan The sealing of the bays of the lagoon is often the fact of the failure of the sewer system These stuffy environments establish the principal points of outcome of the sewerage system xe the city of Abidjan.

More from European Scientific Journal. Flood mapping using ERS tandem coherence image: Conclusion Ltude du risque dinondation dans le dpartement de Sinfra a rvl deux niveaux de risque savoir le risque dinondation par le dbordement des cours deaux et celui de l’inondation par la remonte de nappe.

Etant donn que les inondations en zone tropicale humide sont principalement dues des pluies intenses ou des pluies dintensit moyenne et de longue dure Saley et al. In fact, the estuarine bays of Abidjan undergo a strong anthropic pressure which modifies the circulation of the masses of water. La composante verticale concerne le mouvement des eaux souterraines est reprsente par le risque dinondation par la remonte de nappe.


Le chef-lieu du dpartement prsente dans lensemble un risque dinondation faible.

Teledetection envi pdf

Ainsi plusieurs travaux ont utilis des images satellitaires Radar et optique pour valuer le risque dinondation Rango et Salomonson, ; Blasco et al. La prdiction des inondations sur la base de modles hydrologiques a galement fait lobjet de nombreuses investigations Booij, ; Villegas, The objective of this study is to evaluate the dynamics of the bays of the water of the city of Abidjan from to in order to contribute to a better management of these environments.

Downloads Download data is not yet available. Rsultats et discussion Dans cette partie du travail les principaux rsultats sont presents et discuts. The more the value gets closer to 2, the more there is of s parabilit spectral assuring a good precision of classification.

An uncontrolled galloping urbanizationThe bays of the Ebri lagoon are more and more affected by the development and artificialisation works construction of commercial or fishing port, establishment of companies on the lagoon edges, etc This disturbs the water exchanges and favors sedimentation.

If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a PDF plug-in installed and enabled in your browser. Remerciements Nos remerciements vont lendroit de l Agence Sudoise de coopration au Dveloppement International ASDIpour nous avoir permis de participer un programme international de formation avance sur les changements climatiques, attenuation-adaption l’Institut Suedois de Metorologie et d’Hydrologie SMHIen Sude.

Apport des MNA et de l’ imagerie satellitaireRevue de Tldtection,vol5,n 1 – 2 – 3pp53 Mapping the dynamics of lagoon water levels is both interesting and delicate.

He has corus overturning pond covering a 93 km2 surface among which 78 km are drained by the river Como and the rest by rivers Agn by and M [ 9 ].


Anthropogenic factors of the dynamics of the berries of the lagoon Ebri. The lagoon areas filled between and Hydrogologie des aquifres discontinus de la rgion semimontagneuse de Man-Danan Ouest de la Cte d’Ivoire. Data The used data are essentially constituted: The tldtevtion Sofista nbb.

Teledetection envi pdf

The data of volume of population of the district of Abidjan stemming from the last census of served to show the evolution of the population Abidjanaise. Le todtection dagrgation des donnes est la codification. It is generally spaces of rejections of sewers and envoys of run off water that are the cause of filling of these bays by waste and sands from the city.

Elles sont generes par le debordement des rivires allochtones et monte du toit de la nappe. A diachronic analysis done on the evolution of the lagoon bays showed that the berries tldtwction the Ebri lagoon lost about hectares of their surface between and However, tletection term of diachronic study the image Landsat is the most requested because of their seniority.

Gothenbhurg, Sweden 16 October The different treatments from Landsat satellite images allowed us to follow the spatio-temporal evolution of the lagoon Ebri water. Figure 6 shows the limit of the lagoon water body in blue and the spaces lost in red from to An evaluation of the area of Baies du Banco and Cocody, gives us ha in against hectares in for Banco and hectares in against hectares in for Cocody.

Also, the western end of the bay of banco, in the municipality of Attecoubis the field of finishing runoff and sandy sediments from the municipality making these environments unhealthy and favoring their filling Photo 5.