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Télédétection satellite du cycle de l’eau - De l’optimisation du traitement des observations à l’intégration des produits restitués

Abstract : Satellite observation offers the unique opportunity for global coverage and continuous temporal monitoring in meteorology and climatology. However, there are many difficulties in their exploitation, which requires the use of optimization techniques at the different steps of their processing. This thesis will deal with two questions: (1) the processing of satellite data before the restitution, and (2) the integration of the multiple satellite products available. A new approach for channel compression/selection (Bottlenecks Channels) is proposed to reduce the dimension of hyperspectral data (in the infrared with the IASI instrument and in microwaves for a new sounder concept). A new scheme is also developed to integrate multiple satellite products for the study of the water cycle (surface, ocean and atmosphere). This integration approach makes the components of the water cycle more coherent to each other. It is presented here in the context of the Mediterranean water cycle.
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Contributor : Victor Pellet <>
Submitted on : Friday, November 8, 2019 - 2:34:54 AM
Last modification on : Friday, October 23, 2020 - 4:52:59 PM
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  • HAL Id : tel-02354915, version 1

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Victor Pellet. Télédétection satellite du cycle de l’eau - De l’optimisation du traitement des observations à l’intégration des produits restitués. Sciences de l'environnement. UPMC - Paris 6 Sorbonne Universités, 2019. Français. ⟨tel-02354915⟩

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