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Relation Convection-Environnement dans la troposphère tropicale

Abstract : The complexity of the climate depends largely on the water cycle. In the tropics, atmosphericwater is a key parameter, 60% of global rainfall occurs in the tropics. The understandingof the atmospheric water cycle on a global scale need to use satellite observations. The Indo-French satellite Megha-Tropiques, launched in 2011, allows to study for the _rst time simultaneous observations from moisture and rain. The _rst part of the thesis is the study of the impact of a hurricane on its environment. For this, a case study was selected (Typhoon Bopha) and a diagnosis was performed to study the production / consumption of moisture and heat in the typhoon. The second part of the thesis is the study of the relationshipbetween clouds and humidity in the upper troposphere. This study was conducted over the Indian Ocean (between 2011 and 2014) and over the Sahel (between 2012 and 2015).
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Submitted on : Friday, June 9, 2017 - 10:15:14 AM
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Thomas Garot. Relation Convection-Environnement dans la troposphère tropicale. Océan, Atmosphère. Université Paris Saclay (COmUE), 2016. Français. ⟨NNT : 2016SACLV116⟩. ⟨tel-01535549⟩



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