{"id":896,"date":"2014-04-23T07:49:25","date_gmt":"2014-04-23T06:49:25","guid":{"rendered":"http:\/\/localhost\/direction\/?p=896"},"modified":"2014-05-21T13:58:45","modified_gmt":"2014-05-21T12:58:45","slug":"dynamique-de-la-nappe-et-qualites-physico-chimiques-des-eaux-souterraines-du-lac-fetzara-nord-est-algerien","status":"publish","type":"post","link":"https:\/\/synthese.univ-annaba.dz\/?p=896","title":{"rendered":"Dynamique de la nappe et qualit\u00e9s physico-chimiques des eaux souterraines du lac Fetzara (Nord-Est alg\u00e9rien)"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>Num\u00e9ro de la revue<\/strong>: 26<br \/>\n<strong>Auteurs<\/strong>: Faouzi Zahi<sup>1<\/sup>, Rachid Djamai<sup>2<\/sup>, Salah Chaab<sup>3<\/sup>, Larbi Djabri<sup>3<\/sup>,<br \/>\nAbdelmalek Drouiche<sup>4<\/sup> &amp; Fethi Medjani<sup>5<\/sup><br \/>\n<sup>1<\/sup>D\u00e9partement des Sciences de la Terre et de l\u2019Univers, Universit\u00e9 Benyahia Seddik, Jijel.<br \/>\n<sup>2<\/sup>D\u00e9partement de Biologie, Universit\u00e9 Badji Mokhtar, BP12, 23000, Annaba.<br \/>\n<sup>3<\/sup>D\u00e9partement de G\u00e9ologie, Universit\u00e9 Badji Mokhtar, BP12, 23000, Annaba.<br \/>\n<sup>4<\/sup>Centre de Recherche Scientifique et Technique sur les R\u00e9gions Arides, Biskra<br \/>\n<sup>5<\/sup>D\u00e9partement de G\u00e9ologie, Universit\u00e9 Kasdi Merbah, Ouargla<\/p>\n<p style=\"text-align: right;\"><a href=\"\/wp-content\/uploads\/2014\/04\/Synthese26-9.pdf\"><strong>T\u00e9l\u00e9charger l&rsquo;article<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-709 alignright\" style=\"margin-top: -10px; margin-bottom: -10px;\" alt=\"p2\" src=\"\/wp-content\/uploads\/2014\/04\/p2.jpg\" width=\"37\" height=\"35\" srcset=\"https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2.jpg 113w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-24x24.jpg 24w, https:\/\/synthese.univ-annaba.dz\/wp-content\/uploads\/2014\/04\/p2-48x46.jpg 48w\" sizes=\"auto, (max-width: 37px) 100vw, 37px\" \/><\/strong><\/a><\/p>\n<p style=\"text-align: left;\"><strong>R\u00e9sum\u00e9 <\/strong><\/p>\n<p style=\"text-align: justify;\">Le lac Fetzara est l\u2019un des plus importants lacs de l\u2019extr\u00eame Nord-Est\u00a0 Alg\u00e9rien, avec une superficie de 18600 ha. Il a \u00e9t\u00e9 officiellement class\u00e9 sur la liste des zones humides d&rsquo;importance internationale, ce qui impose une protection de ce site. Cette \u00e9tude a \u00e9t\u00e9 men\u00e9e afin d&rsquo;\u00e9tudier l\u2019\u00e9tat actuel de la chimie des eaux souterraines et de d\u00e9terminer l&rsquo;origine de la salinit\u00e9. Les r\u00e9sultats\u00a0 analytiques montrent la pr\u00e9sence de trois faci\u00e8s chimiques : chlorur\u00e9 sodique, chlorur\u00e9 calcique et bicarbonat\u00e9 sodique. La conductivit\u00e9 \u00e9lectrique des eaux oscille entre 350 et 3500 \u03bcS\/cm avec de fortes valeurs enregistr\u00e9es dans les r\u00e9gions Nord-Est (Oued Zied) et au Sud-Est du lac (Cheurfa).<br \/>\nL\u2019\u00e9tude statistique par l\u2019analyse en composantes principales (ACP) montre que les chlorures et le sodium sont les principaux \u00e9l\u00e9ments responsables de la forte min\u00e9ralisation des eaux. Cet exc\u00e8s de min\u00e9ralisation serait li\u00e9 \u00e9ventuellement au lessivage des terrains travers\u00e9s ou par l\u2019infiltration des eaux de surface qui sont fortement influenc\u00e9es par la forte \u00e9vaporation en p\u00e9riode estivale et les \u00e9changes ioniques avec la matrice argileuse.<\/p>\n<p style=\"text-align: justify;\"><strong>Mots cl\u00e9s :<\/strong> Salinit\u00e9 &#8211; Min\u00e9ralisation &#8211; Contamination &#8211; Pi\u00e9zom\u00e9trie &#8211; Facies chimique &#8211; ACP.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Num\u00e9ro de la revue: 26 Auteurs: Faouzi Zahi1, Rachid Djamai2, Salah Chaab3, Larbi Djabri3, Abdelmalek Drouiche4 &amp; Fethi Medjani5 1D\u00e9partement des Sciences de la Terre et de l\u2019Univers, Universit\u00e9 Benyahia Seddik, Jijel. 2D\u00e9partement de Biologie, Universit\u00e9 Badji Mokhtar, BP12, 23000, &hellip; <a href=\"https:\/\/synthese.univ-annaba.dz\/?p=896\">Lire la suite <span class=\"meta-nav\">&raquo;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[111,108,110,107,109,106],"class_list":["post-896","post","type-post","status-publish","format-standard","hentry","category-synthese-n-26","tag-acp","tag-contamination","tag-facies-chimique","tag-mineralisation","tag-piezometrie","tag-salinite"],"_links":{"self":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=896"}],"version-history":[{"count":8,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/896\/revisions"}],"predecessor-version":[{"id":1890,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=\/wp\/v2\/posts\/896\/revisions\/1890"}],"wp:attachment":[{"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/synthese.univ-annaba.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}