Apport des mesures de température de surface par télédétection infrarouge thermique pour la modélisation des échanges d'énergie et d'eau à l'interface sol végétation atmosphère

Abstract : The land surface temperature is a key variable of the water and energy budget at the soil vegetation atmosphere (SVA) interface. Such variable is measured by remote sensing in the thermal infrared domain which corresponds to an atmospheric window for satellite measurements. As a consequence, frequently measurements, ground based or acquired from space has achieved by the MeteoSat8 (MSG) – SEVIRI sensor at a fifteen minutes temporal resolution, enables the continuous surface exchanges monitoring. Numerical representation of these exchanges over vegetative canopies, like the SEtHyS SVAT model used in this study, can then be constrained with a surface temperature assimilation technique. The originality of this thesis study was to develop a methodology based on the knowledge of temperature diurnal dynamic features in order to monitor the water and energy budget at the SVA interface at agricultural field scale and further at the heterogeneous landscape spatial resolution.
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Submitted on : Tuesday, June 5, 2007 - 2:50:25 PM
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Benoit Coudert. Apport des mesures de température de surface par télédétection infrarouge thermique pour la modélisation des échanges d'énergie et d'eau à l'interface sol végétation atmosphère. Autre. Université de Versailles-Saint Quentin en Yvelines, 2006. Français. ⟨tel-00151869⟩

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