{"id":988,"date":"2006-03-22T13:14:00","date_gmt":"2006-03-22T12:14:00","guid":{"rendered":"https:\/\/kids.esa.int\/fast_flood_maps_from_space_for_france\/"},"modified":"2026-10-08T00:34:34","modified_gmt":"2026-10-07T22:34:34","slug":"fast_flood_maps_from_space_for_france","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/fast_flood_maps_from_space_for_france\/","title":{"rendered":"Service de cartographie rapide des inondations pour la France"},"content":{"rendered":"<div class=\"lede\">\n<p>Les inondations sont plus courantes et plus r\u00e9pandues que n'importe quelle autre catastrophe naturelle. Au cours des dix derni\u00e8res ann\u00e9es, celles-ci ont touch\u00e9 pr\u00e8s de 1,5 milliard de personnes \u2013 soit environ un quart de la population mondiale.<\/p>\n<\/div>\n<p>La technologie spatiale europ\u00e9enne joue un r\u00f4le important dans le dur combat livr\u00e9 contre les inondations, en tentant de r\u00e9duire les risques li\u00e9s \u00e0 ce ph\u00e9nom\u00e8ne. L'un des derniers projets concerne un service rapide de repr\u00e9sentation cartographique sur satellite, destin\u00e9 \u00e0 renforcer les activit\u00e9s de d\u00e9fense civile dans l'est de la France.<\/p>\n<p>Ce service de contr\u00f4le des \u00e9v\u00e9nements de crue, dirig\u00e9 par l'ESA, est capable de produire une cartographie en six heures seulement en temps de crise. Ce service express permet aux autorit\u00e9s publiques de prendre les d\u00e9cisions ad\u00e9quates, en fonction d'informations actualis\u00e9es sur les zones inond\u00e9es. Mais ces cartes sont aussi tr\u00e8s utiles pour les pr\u00e9visions, la pr\u00e9vention et le nettoyage apr\u00e8s une inondation.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2002\/02\/floods_real2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2002\/02\/floods_real2\/17863418-3-eng-GB\/floods_real.jpg\" alt=\"Flooding is the most common and widespread natural disaster\"><figcaption>Les inondations constituent la catastrophe naturelle la plus courante et la plus r\u00e9pandue<\/figcaption><\/figure>\n<p>Ce service de cartographie satellite est d\u00e9sormais op\u00e9rationnel 24\/24 heures, 7\/7 jours dans la pr\u00e9fecture de la zone de d\u00e9fense de l'est de la France. Cette vaste r\u00e9gion, qui regroupe 18 d\u00e9partements, a une population totale de 8,3 millions d'habitants. Elle compte \u00e9galement quatre grands bassins fluviaux fortement expos\u00e9s aux risques de crue.<\/p>\n<p>Quelque 80 organismes \u2013 tels que les agences r\u00e9gionales de l'eau et les services de pr\u00e9vision des crues \u2013 participent \u00e0 la gestion des crues au sein de la zone EDZ. Tous ont re\u00e7u une formation sur l'utilisation du service de cartographie.<\/p>\n<p>Les cartes sont produites sur la base de deux types de donn\u00e9es satellite : des images optiques haute-r\u00e9solution, associ\u00e9es \u00e0 des images radar qui peuvent \u00eatre obtenues de jour comme de nuit, m\u00eame par temps tr\u00e8s nuageux ou en cas de fortes pluies.<\/p>","protected":false},"excerpt":{"rendered":"<p>Flooding is more common and widespread than any other natural disaster. During the last decade, floods have affected approximately 1.5 billion people \u2013 roughly one quarter of the world\u2019s population. 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