{"id":395457,"date":"2026-03-30T19:27:18","date_gmt":"2026-03-30T18:27:18","guid":{"rendered":"https:\/\/www.webdo.tn\/fr\/?p=395457"},"modified":"2026-03-30T19:30:39","modified_gmt":"2026-03-30T18:30:39","slug":"barrages-en-tunisie-letat-mise-sur-la-recherche-pour-freiner-levaporation","status":"publish","type":"post","link":"https:\/\/www.webdo.tn\/fr\/actualite\/national\/barrages-en-tunisie-letat-mise-sur-la-recherche-pour-freiner-levaporation\/395457\/","title":{"rendered":"Barrages en Tunisie : L\u2019\u00c9tat mise sur la recherche pour freiner l\u2019\u00e9vaporation"},"content":{"rendered":"\n<p>Alors que la situation hydrique en Tunisie montre des signes d\u2019am\u00e9lioration, un autre d\u00e9fi, moins visible, mobilise d\u00e9sormais les autorit\u00e9s : limiter l\u2019\u00e9vaporation des ressources stock\u00e9es dans les barrages.<\/p>\n\n\n\n<p>Lors d\u2019une c\u00e9r\u00e9monie de signature de contrats-programmes de recherche au Centre de biotechnologie de Borj C\u00e9dria (gouvernorat de Ben Arous), le secr\u00e9taire d\u2019\u00c9tat charg\u00e9 des Ressources hydrauliques, Hammadi Habaieb, a indiqu\u00e9 que plusieurs initiatives sont en cours pour r\u00e9duire ce ph\u00e9nom\u00e8ne, accentu\u00e9 par la hausse des temp\u00e9ratures et les effets du changement climatique, selon TAP.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-amelioration-des-reserves-sous-contrainte-climatique\">Une am\u00e9lioration des r\u00e9serves sous contrainte climatique<\/h2>\n\n\n\n<p>Au 30 mars 2026, le taux de remplissage des barrages a atteint 58 %, un niveau jug\u00e9 rassurant par rapport \u00e0 la m\u00eame p\u00e9riode de l\u2019ann\u00e9e pr\u00e9c\u00e9dente. Les pr\u00e9cipitations r\u00e9centes ont \u00e9galement permis une remont\u00e9e du niveau de certaines nappes phr\u00e9atiques.<\/p>\n\n\n\n<p>Mais cette am\u00e9lioration reste fragile. En p\u00e9riode estivale, la Tunisie perd pr\u00e8s d\u2019un million de m\u00e8tres cubes d\u2019eau chaque jour \u00e0 cause de l\u2019\u00e9vaporation, soit l\u2019\u00e9quivalent de la consommation de plusieurs grandes r\u00e9gions du pays.<\/p>\n\n\n\n<p>Un ph\u00e9nom\u00e8ne structurel qui tend \u00e0 s\u2019intensifier avec l\u2019\u00e9l\u00e9vation des temp\u00e9ratures, r\u00e9duisant progressivement les volumes r\u00e9ellement disponibles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-la-recherche-mobilisee-pour-limiter-les-pertes\">La recherche mobilis\u00e9e pour limiter les pertes<\/h2>\n\n\n\n<p>Face \u00e0 ce constat, les autorit\u00e9s misent sur la recherche scientifique pour apporter des r\u00e9ponses concr\u00e8tes.<\/p>\n\n\n\n<p>Un programme men\u00e9 en coordination avec le minist\u00e8re de l\u2019Enseignement sup\u00e9rieur et de la Recherche scientifique vise notamment \u00e0 exp\u00e9rimenter des solutions innovantes pour limiter l\u2019\u00e9vaporation \u00e0 la surface des barrages.<\/p>\n\n\n\n<p>Parmi les pistes \u00e9tudi\u00e9es figurent l\u2019utilisation de films protecteurs capables de r\u00e9duire l\u2019exposition directe de l\u2019eau au soleil. D\u2019autres approches sont \u00e9galement \u00e0 l\u2019\u00e9tude, notamment le recours \u00e0 des technologies modernes pour le suivi des nappes souterraines.<\/p>\n\n\n\n<p>Ces travaux s\u2019inscrivent dans une strat\u00e9gie plus large visant \u00e0 adapter la gestion des ressources hydriques aux contraintes du changement climatique.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Lire aussi:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/www.webdo.tn\/fr\/actualite\/national\/tunisie-plus-de-90-des-eaux-usees-traitees-restent-inexploitees\/394673\/\">Tunisie : Plus de 90 % des eaux us\u00e9es trait\u00e9es restent inexploit\u00e9es<\/a><\/li>\n\n\n\n<li class=\"has-medium-font-size\"><a href=\"https:\/\/www.webdo.tn\/fr\/actualite\/national\/tunisie-le-taux-de-remplissage-des-barrages-depasse-57\/395096\/\">Tunisie : Le taux de remplissage des barrages d\u00e9passe 57%<\/a><\/li>\n<\/ul>\n<\/blockquote>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Alors que la situation hydrique en Tunisie montre des signes d\u2019am\u00e9lioration, un autre d\u00e9fi, moins visible, mobilise d\u00e9sormais les autorit\u00e9s : limiter l\u2019\u00e9vaporation des ressources stock\u00e9es dans les barrages. Lors d\u2019une c\u00e9r\u00e9monie de signature de contrats-programmes de recherche au Centre de biotechnologie de Borj C\u00e9dria (gouvernorat de Ben Arous), le secr\u00e9taire d\u2019\u00c9tat charg\u00e9 des Ressources [&hellip;]<\/p>\n","protected":false},"author":4779,"featured_media":392827,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[2632,2608],"class_list":["post-395457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national","tag-barrages","tag-tunisie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Barrages en Tunisie : L\u2019\u00c9tat mise sur la recherche pour freiner l\u2019\u00e9vaporation - webdo<\/title>\n<meta name=\"description\" content=\"L&#039;\u00c9tat tunisien mise sur la recherche pour 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