{"id":731,"date":"2012-03-11T08:56:31","date_gmt":"2012-03-11T07:56:31","guid":{"rendered":"https:\/\/asal.dz\/?p=731"},"modified":"2018-12-24T09:58:01","modified_gmt":"2018-12-24T08:58:01","slug":"contribution-de-lagence-spatiale-algerienne-a-levaluation-des-degats-des-inondations-del-tarf-du-23-fevrier-2012","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=731","title":{"rendered":"Contribution de l\u2019Agence Spatiale Alg\u00e9rienne \u00e0 l\u2019\u00e9valuation des d\u00e9g\u00e2ts des inondations d\u2019EL TARF du 23 f\u00e9vrier 2012"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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Au lendemain des inondations qui ont affect\u00e9 la r\u00e9gion d\u2019El Tarf le 23 f\u00e9vrier 2012, l\u2019Agence Spatiale Alg\u00e9rienne a entrepris, en collaboration avec la Direction G\u00e9n\u00e9rale de la Protection Civile et les minist\u00e8res, de l\u2019Agriculture et du D\u00e9veloppement Rural et des Ressources en Eau, au d\u00e9clenchement de la Charte internationale \u00ab\u00a0espace et risques majeurs<\/strong>\u00a0\u00bb, afin de disposer de donn\u00e9es satellitaires compl\u00e9mentaires aux images Alsat 2A.<\/p>\n

L\u2019\u00e9tude comparative avant et apr\u00e8s le sinistre, r\u00e9alis\u00e9e par l\u2019ASAL \u00e0 partir du traitement des images satellitaires a permis de r\u00e9aliser une carte de d\u00e9limitation pr\u00e9cise des terres agricoles inond\u00e9es avec leurs superficies, ainsi que les agglom\u00e9rations touch\u00e9es (voir Fig 1 et 2)<\/span>.<\/strong><\/p>\n

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Fig 2. Carte de d\u00e9limitation des communes d\u2019El Tarf les plus touch\u00e9es<\/p>\n<\/td>\n<\/tr>\n

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Comme le montre la figure 2, 10 communes sur les 24 que comptent la Wilaya d\u2019El-Tarf ont \u00e9t\u00e9 touch\u00e9es par le sinistre.<\/p>\n

Un travail de pr\u00e9cision \u00e0 partir de l\u2019imagerie satellitaire \u00e0 tr\u00e8s haute r\u00e9solution, a \u00e9t\u00e9 effectu\u00e9 sur des zones repr\u00e9sentatives pour suivre le ph\u00e9nom\u00e8ne de r\u00e9sorption des eaux (voir Fig 3 et 4)<\/strong>.<\/span><\/p>\n<\/td>\n<\/tr>\n

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Fig 3. Emplacement des sites agrandis sur image satellitaire<\/div>\n<\/td>\n<\/tr>\n
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Fig 4<\/div>\n<\/td>\n<\/tr>\n
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Au lendemain des inondations qui ont affect\u00e9 la r\u00e9gion d\u2019El Tarf le 23 f\u00e9vrier 2012, l\u2019Agence Spatiale Alg\u00e9rienne a entrepris, en collaboration avec la Direction G\u00e9n\u00e9rale de la Protection Civile et les minist\u00e8res, de l\u2019Agriculture et du D\u00e9veloppement Rural et des Ressources en Eau, au d\u00e9clenchement de la Charte internationale \u00ab\u00a0espace et risques majeurs\u00a0\u00bb, afin […]<\/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-731","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/731","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=731"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/731\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}