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Modélisation spatialisée des échanges surface-atmosphère à l'échelle d'une région agricole méditerranéenne

Abstract : In Mediterranean regions, decision making tools for water management require knowledge of water and mass exchanges between land surface and atmosphere, where evapotranspiration is the main component of the hydrological cycle. Recent advances, in terms of modeling and remote sensing, mainly at the subregional scale for homogeneous canopies, allow foreseeing the regional extent for complex landscapes such as row crops. This work aims to propose and calibrate a versatile modeling at the regional scale over a vineyard watershed, the calibration relying on remote sensing. A literature review allows selecting a SVAT model with a regional scope and a limited number of parameters. Model implementation is motivated by versatility and further inclusion into a simulation platform. Then, evapotranspiration is spatialized synergistically by using thermal infrared data from ASTER and Landsat remote sensors. Next, the time series obtained for evapotranspiration are used for calibrating the selected SVAT model. These investigations are conducted over the Peyne watershed, within the framework of the OMERE Observatory for environmental research.
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Submitted on : Tuesday, December 6, 2016 - 5:25:08 PM
Last modification on : Wednesday, November 11, 2020 - 7:42:03 PM


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  • HAL Id : tel-01410696, version 1


Carlo Montes. Modélisation spatialisée des échanges surface-atmosphère à l'échelle d'une région agricole méditerranéenne. Environnement et Société. Université Montpellier II - Sciences et Techniques du Languedoc, 2014. Français. ⟨NNT : 2014MON20085⟩. ⟨tel-01410696⟩



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