{"id":354539,"date":"2025-04-21T19:59:43","date_gmt":"2025-04-21T18:59:43","guid":{"rendered":"https:\/\/realites.com.tn\/fr\/?p=354539"},"modified":"2025-04-21T20:00:30","modified_gmt":"2025-04-21T19:00:30","slug":"a-beit-al-hikma-focus-sur-le-systeme-aquifere-du-sahara-septentrional","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/a-beit-al-hikma-focus-sur-le-systeme-aquifere-du-sahara-septentrional\/","title":{"rendered":"A Be\u00eft al-Hikma : Focus sur le syst\u00e8me aquif\u00e8re du Sahara septentrional"},"content":{"rendered":"

L\u2019Acad\u00e9mie tunisienne des sciences, des lettres et des arts, Be\u00eft al-Hikma, accueillera le mercredi 23 avril 2025 une conf\u00e9rence-d\u00e9bat consacr\u00e9e au th\u00e8me : \u00ab Le syst\u00e8me aquif\u00e8re du Sahara septentrional \u00bb.<\/strong><\/em>
\nOrganis\u00e9 par le d\u00e9partement des sciences de l\u2019Acad\u00e9mie, cet \u00e9v\u00e9nement mettra en lumi\u00e8re le Syst\u00e8me Aquif\u00e8re du Sahara Septentrional (SASS), une ressource strat\u00e9gique partag\u00e9e entre l\u2019Alg\u00e9rie, la Tunisie et la Libye. Ce vaste r\u00e9servoir souterrain, bien que riche en eau, reste faiblement renouvelable et ne peut \u00eatre exploit\u00e9 dans son int\u00e9gralit\u00e9 sans risque.
\nLa conf\u00e9rence sera anim\u00e9e par le Pr Mustapha Besbes, hydrog\u00e9ologue, membre de l\u2019Acad\u00e9mie et sp\u00e9cialiste reconnu de la gestion des ressources en eau en zones arides. Elle sera mod\u00e9r\u00e9e par Ahmed Mamou, conseiller scientifique aupr\u00e8s de l\u2019Observatoire du Sahara et du Sahel (OSS). En ouverture, un expos\u00e9 rappellera les \u00e9tudes men\u00e9es au d\u00e9but des ann\u00e9es 2000 sous l\u2019\u00e9gide des gouvernements alg\u00e9rien, libyen et tunisien, dans le cadre des travaux de l\u2019OSS.
\nLe SASS, qui s\u2019\u00e9tend sur plus d\u2019un million de kilom\u00e8tres carr\u00e9s, comprend deux grands ensembles aquif\u00e8res : le Continental Intercalaire et le Complexe Terminal. Son exploitation a consid\u00e9rablement augment\u00e9 au cours des cinq derni\u00e8res d\u00e9cennies, passant de 0,5 \u00e0 3 milliards de m\u00b3 par an. Cependant, cette pression croissante engendre de nombreux risques : tensions transfrontali\u00e8res, d\u00e9gradation de la qualit\u00e9 de l\u2019eau, disparition progressive de l\u2019art\u00e9sianisme, tarissement des sources naturelles, etc.
\nLes mod\u00e9lisations r\u00e9alis\u00e9es sur le SASS ont permis d\u2019identifier les zones les plus vuln\u00e9rables et de cartographier les principaux risques hydrologiques. Dans un contexte marqu\u00e9 par l\u2019une des pires s\u00e9cheresses de son histoire, la Tunisie regarde avec espoir vers ces r\u00e9serves profondes. Certains acteurs de la soci\u00e9t\u00e9 civile y voient une solution face aux al\u00e9as climatiques. Toutefois, les experts restent prudents : peut-on puiser davantage dans ces ressources sans compromettre d\u00e9finitivement l\u2019\u00e9quilibre du syst\u00e8me ?<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u2019Acad\u00e9mie tunisienne des sciences, des lettres et des arts, Be\u00eft al-Hikma, accueillera le mercredi 23 avril 2025 une conf\u00e9rence-d\u00e9bat consacr\u00e9e au th\u00e8me : \u00ab Le syst\u00e8me aquif\u00e8re du Sahara septentrional…<\/p>\n","protected":false},"author":60,"featured_media":354540,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[7276,3736,8523],"class_list":["post-354539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-beit-al-hikma","tag-realites-online","tag-sahara-septentrional"],"yoast_head":"\nA Be\u00eft al-Hikma : Focus sur le syst\u00e8me aquif\u00e8re du Sahara septentrional - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"L\u2019Acad\u00e9mie tunisienne des sciences, des lettres et des arts, Be\u00eft al-Hikma, accueillera le mercredi 23 avril 2025 une conf\u00e9rence-d\u00e9bat consacr\u00e9e au th\u00e8me\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/a-beit-al-hikma-focus-sur-le-systeme-aquifere-du-sahara-septentrional\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Be\u00eft al-Hikma : Focus sur le syst\u00e8me aquif\u00e8re du Sahara septentrional - 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