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dc.contributor.advisorRoyer, Alainfr
dc.contributor.advisorO'Neill, Normfr
dc.contributor.authorVachon, Françoisfr
dc.date.accessioned2014-05-15T13:28:55Z
dc.date.available2014-05-15T13:28:55Z
dc.date.created2003fr
dc.date.issued2003fr
dc.identifier.isbn0612866963fr
dc.identifier.urihttp://savoirs.usherbrooke.ca/handle/11143/2352
dc.description.abstractThe tropospheric aerosols of the atmosphere play a crucial role in the evolution of the climate. In order to determine with accuracy their influence on the radiative budget of the Earth, it is imperative to develop analysis methods that will allow us to characterize the optical properties of the tropospheric aerosols using remote sensing data.The major problem encountered in this field is the characterization of these properties above the continents. Indeed, the contribution of the surface below the layer of aerosols to the signal measured by the sensor is considerable. Our study seeks to evaluate the potential of two new sensors using two different inversion schemes: POLDER (based on polarization measurements of solar radiation reflected by aerosols) and MODIS (based on measurements above dark dense vegetation target, DDV).The aerosol optical depth ([tau[subscript a[lambda]]]) derived from measurements of the solar photometers of the AERONET-AEROCAN network is used as reference to the comparisons.--Résumé abrégé par UMI.fr
dc.language.isofrefr
dc.publisherUniversité de Sherbrookefr
dc.rights© François Vachonfr
dc.titleCaractérisation des propriétés optiques des aérosols troposphériques par télédétection satellitaire et in-situ et validation du modèle climatique canadien GCMIII-CAMfr
dc.typeMémoirefr
tme.degree.disciplineTélédétectionfr
tme.degree.grantorFaculté des lettres et sciences humainesfr
tme.degree.levelMaîtrisefr
tme.degree.nameM. Sc.fr


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