{"id":542,"date":"2015-03-03T11:48:12","date_gmt":"2015-03-03T10:48:12","guid":{"rendered":"https:\/\/asal.dz\/?p=542"},"modified":"2018-12-23T14:09:19","modified_gmt":"2018-12-23T13:09:19","slug":"analyse-bi-date-du-barrage-del-ksob-wilaya-de-msila-a-partir-des-images-du-satellite-alsat-2a","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=542","title":{"rendered":"Analyse bi-date du barrage d\u2019El Ksob (Wilaya de M\u2019sila) \u00e0 partir des images du satellite Alsat-2A"},"content":{"rendered":"<p class=\"Style94\" align=\"justify\">L\u2019analyse bi-date du barrage d\u2019El Ksob (Wilaya de M\u2019sila) \u00e0 partir de deux images Alsat-2A, prises le 16 octobre 2013 et le 10 f\u00e9vrier 2015, fait ressortir des d\u2019informations significatives li\u00e9es directement \u00e0 son taux de remplissage.<\/p>\n<p class=\"Style94\" align=\"justify\">En effet, cette analyse fait ressortir l\u2019\u00e9volution du niveau d\u2019eau de ce barrage, ayant atteint au courant du mois de f\u00e9vrier 2015, un fort taux de remplissage et ce, en comparaison avec le taux de remplissage au mois d\u2019octobre 2013.<\/p>\n<p class=\"Style94\" align=\"justify\">L\u2019analyse comparative des deux prises de vue du satellite Alsat-2A, s\u2019appuyant sur la bonne caract\u00e9risation spectrale des tranches d\u2019eau, gr\u00e2ce \u00e0 la bonne discrimination spectrale fournie par ses images\u00a0 multispectrales, a permis de d\u00e9limiter les surfaces d\u2019eau du barrage.\u00a0 L\u2019accroissement de la surface d\u2019eau ainsi identifi\u00e9e, est li\u00e9 directement \u00e0 une augmentation du volume d\u2019eau stock\u00e9 dans le barrage.<\/p>\n<p class=\"Style94\" align=\"justify\">En fait, le barrage d\u2019El Ksob, situ\u00e9 \u00e0 15 Km au Nord de M\u2019Sila, a une capacit\u00e9 de stockage nominale de l\u2019ordre de 50 millions de m\u00e8tres cubes, destin\u00e9s exclusivement \u00e0 l\u2019irrigation. Actuellement, le barrage fait l\u2019objet d\u2019une nouvelle op\u00e9ration de d\u00e9vasement\u00a0; apr\u00e8s celle de 2001\u00a0; qui concernera un volume plafond de l\u2019ordre de 10 millions de m\u00e8tres cubes.\u00a0 Enfin, il est \u00e0 noter, que les engins destin\u00e9s \u00e0 cette op\u00e9ration de d\u00e9vasement sont visibles sur les 02 prises de vue Alsat-2A.<\/p>\n<p class=\"Style98\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/ksob1.jpg\" width=\"573\" height=\"720\" border=\"1\" \/><\/p>\n<p class=\"Style74\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/ksob22.jpg\" width=\"565\" height=\"577\" border=\"1\" \/><\/p>\n<p class=\"Style74\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/ksob2.jpg\" width=\"568\" height=\"577\" border=\"1\" \/><\/p>\n<p class=\"Style74\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/ksob3.jpg\" width=\"680\" height=\"621\" border=\"1\" \/><\/p>\n<p align=\"center\"><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <span class=\"Style57\">La partie bleue non hachur\u00e9e de l\u2019extrait de l\u2019image Alsat-2A indique les zones du barrage, s\u00e8ches en octobre 2013, actuellement remplies d\u2019eau.<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019analyse bi-date du barrage d\u2019El Ksob (Wilaya de M\u2019sila) \u00e0 partir de deux images Alsat-2A, prises le 16 octobre 2013 et le 10 f\u00e9vrier 2015, fait ressortir des d\u2019informations significatives li\u00e9es directement \u00e0 son taux de remplissage. En effet, cette analyse fait ressortir l\u2019\u00e9volution du niveau d\u2019eau de ce barrage, ayant atteint au courant du [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-542","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=542"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/542\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}