{"id":727,"date":"2023-05-29T11:49:22","date_gmt":"2023-05-29T09:49:22","guid":{"rendered":"http:\/\/pont-dain.meteo01.fr\/mag\/?p=727"},"modified":"2023-07-29T11:50:44","modified_gmt":"2023-07-29T09:50:44","slug":"quest-ce-que-levaporation","status":"publish","type":"post","link":"http:\/\/pont-dain.meteo01.fr\/mag\/2023\/05\/29\/quest-ce-que-levaporation\/","title":{"rendered":"Qu\u2019est ce que l\u2019\u00e9vaporation ?."},"content":{"rendered":"
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L\u2019\u00e9vaporation en m\u00e9t\u00e9orologie est le processus par lequel l\u2019eau passe de l\u2019\u00e9tat liquide \u00e0 l\u2019\u00e9tat gazeux (vapeur d\u2019eau) en raison de l\u2019apport d\u2019\u00e9nergie thermique. L\u2019\u00e9vaporation est influenc\u00e9e par plusieurs facteurs tels que la temp\u00e9rature, l\u2019humidit\u00e9 relative de l\u2019air, la vitesse du vent et la disponibilit\u00e9 d\u2019eau \u00e0 \u00e9vaporer.<\/p>\n

La mesure de l\u2019\u00e9vaporation se fait par plusieurs moyens, mais la m\u00e9thode la plus courante est la m\u00e9thode de la cuve d\u2019\u00e9vaporation, qui consiste \u00e0 mesurer la quantit\u00e9 d\u2019eau \u00e9vapor\u00e9e d\u2019une surface d\u2019eau libre pendant une p\u00e9riode donn\u00e9e. La cuve d\u2019\u00e9vaporation est une petite piscine remplie d\u2019eau dont la surface est ouverte \u00e0 l\u2019air. La quantit\u00e9 d\u2019eau \u00e9vapor\u00e9e est mesur\u00e9e en comparant le niveau de l\u2019eau avant et apr\u00e8s la p\u00e9riode d\u2019\u00e9vaporation. Des capteurs peuvent \u00e9galement \u00eatre utilis\u00e9s pour mesurer l\u2019\u00e9vaporation sur de plus grandes surfaces telles que les lacs et les r\u00e9servoirs.<\/p>\n

Les stations m\u00e9t\u00e9o automatiques mesurent ce type de donn\u00e9es qui permet ainsi d\u2019avoir une id\u00e9e pr\u00e9cise de l\u2019eau qui s\u2019\u00e9vapore notamment en p\u00e9riode estivale.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

L\u2019\u00e9vaporation en m\u00e9t\u00e9orologie est le processus par lequel l\u2019eau passe de l\u2019\u00e9tat liquide \u00e0 l\u2019\u00e9tat gazeux (vapeur d\u2019eau) en raison de l\u2019apport d\u2019\u00e9nergie thermique. L\u2019\u00e9vaporation est influenc\u00e9e par plusieurs facteurs tels que la temp\u00e9rature, l\u2019humidit\u00e9 [Lire la suite]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":728,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[48],"tags":[],"yoast_head":"\nQu\u2019est ce que l\u2019\u00e9vaporation ?. - Le Mag - M\u00e9t\u00e9o Vall\u00e9e de l'Ain - Suran<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pont-dain.meteo01.fr\/mag\/2023\/05\/29\/quest-ce-que-levaporation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u2019est ce que l\u2019\u00e9vaporation ?. - Le Mag - M\u00e9t\u00e9o Vall\u00e9e de l'Ain - Suran\" \/>\n<meta property=\"og:description\" content=\"L\u2019\u00e9vaporation en m\u00e9t\u00e9orologie est le processus par lequel l\u2019eau passe de l\u2019\u00e9tat liquide \u00e0 l\u2019\u00e9tat gazeux (vapeur d\u2019eau) en raison de l\u2019apport d\u2019\u00e9nergie thermique. 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