{"id":22079,"date":"2022-06-06T00:01:00","date_gmt":"2022-06-05T23:01:00","guid":{"rendered":"https:\/\/lasentinelle.dz\/?p=22079"},"modified":"2022-06-05T20:03:43","modified_gmt":"2022-06-05T19:03:43","slug":"les-technologies-satellitaires-pour-evaluer-les-gaz-torches-sonatrach-mise-sur-la-reduction-de-son-empreinte-carbone","status":"publish","type":"post","link":"https:\/\/lasentinelle.dz\/index.php\/2022\/06\/06\/les-technologies-satellitaires-pour-evaluer-les-gaz-torches-sonatrach-mise-sur-la-reduction-de-son-empreinte-carbone\/","title":{"rendered":"Les technologies satellitaires pour \u00e9valuer les gaz torch\u00e9s\u00a0: Sonatrach mise sur la r\u00e9duction de son empreinte carbone"},"content":{"rendered":"\n<p>L&rsquo;application des techniques satellitaires pour l&rsquo;estimation des volumes de gaz torch\u00e9s en Alg\u00e9rie a permis de confirmer les r\u00e9sultats obtenus par Sonatrach, qui pr\u00e9sentent des \u00e9carts significatifs avec les estimations publi\u00e9es par d&rsquo;autres organismes, a indiqu\u00e9 hier le groupe dans un communiqu\u00e9. \u00ab\u00a0S&rsquo;inscrivant dans le cadre de ses politiques de r\u00e9duction de l&#8217;empreinte carbone et de valorisation de la recherche, Sonatrach, en collaboration avec l&rsquo;Agence spatiale alg\u00e9rienne (ASAL), a franchi un pas important en mati\u00e8re d&rsquo;estimation des volumes des gaz torches \u00e0 travers l&rsquo;outil satellitaire\u00a0\u00bb, est-il not\u00e9 dans le communiqu\u00e9.<\/p>\n\n\n\n<p>Cette collaboration a pour objectif de permettre une meilleure estimation des r\u00e9sultats obtenus par Sonatrach en mati\u00e8re de r\u00e9duction du torchage de gaz et plus globalement de la baisse de l&#8217;empreinte carbone induite par ses activit\u00e9s, a ajout\u00e9 la m\u00eame source. En effet, les chercheurs de l&rsquo;ASAL ont mis en oeuvre une m\u00e9thodologie pour l&rsquo;estimation des volumes des gaz torch\u00e9s \u00e0 partir de l&rsquo;exploitation des images nocturnes dans le visible et l&rsquo;infrarouge du capteur VIIRS embarqu\u00e9 sur le satellite m\u00e9t\u00e9orologique Suomi NPP, a fait savoir la compagnie nationale, pr\u00e9cisant que cette m\u00e9thodologie a \u00e9t\u00e9 gratifi\u00e9e et publi\u00e9e dans la revue scientifique de rang A \u00ab\u00a0Remote Sensing\u00a0\u00bb du Multidisciplinary Digital Publishing Institute (MDPI), le 10 mai 2022. \u00ab\u00a0Les r\u00e9sultats obtenus par l&rsquo;ASAL d\u00e9montrent une coh\u00e9rence avec les volumes mesur\u00e9s au sol par Sonatrach et ce, en comparaison avec ceux publi\u00e9s par d&rsquo;autres organismes et qui pr\u00e9sentent des \u00e9carts significatifs des volumes constat\u00e9s li\u00e9s, selon l&rsquo;\u00e9tude men\u00e9e par l&rsquo;ASAL, au coefficient de calibration non actualis\u00e9 et ne tenant pas compte des \u00e9v\u00e8nements particuliers de torchage (arr\u00eats, d\u00e9marrages, d\u00e9clenchements)\u00a0\u00bb, a-t-elle \u00e9galement expliqu\u00e9. Selon Sonatrach, \u00ab\u00a0la pr\u00e9cision de cette m\u00e9thodologie, d\u00e9velopp\u00e9e par l&rsquo;ASAL, repose sur la d\u00e9tection automatique de la flamme des gaz torch\u00e9s sur les images satellitaires VIIRS\u00a0\u00bb, associ\u00e9 \u00e0 l&rsquo;application des techniques de \u00ab\u00a0d\u00e9m\u00e9lange spectral\u00a0\u00bb visant \u00e0 travailler sur les spectres \u00ab\u00a0purs\u00a0\u00bb des flammes de torch\u00e8res et sur la \u00ab\u00a0calibration des volumes de la chaleur rayonnante\u00a0\u00bb. Pour Sonatrach, \u00ab\u00a0le fruit de cette recherche collaborative soutient ses efforts dans le domaine de la protection de l&rsquo;environnement, pour atteindre ses objectifs en mati\u00e8re de r\u00e9duction des \u00e9missions des gaz \u00e0 effet de serre \u00e0 l&rsquo;horizon 2030\u00a0\u00bb. \u00ab\u00a0Cette recherche collaborative marque davantage la confiance de Sonatrach plac\u00e9e dans les chercheurs alg\u00e9riens qui l&rsquo;accompagnent dans l&rsquo;am\u00e9lioration continue de ses performances\u00a0\u00bb, a soulign\u00e9, par ailleurs, le communiqu\u00e9.<\/p>\n\n\n\n<p>APS<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;application des techniques satellitaires pour l&rsquo;estimation des volumes de gaz torch\u00e9s en Alg\u00e9rie a permis de confirmer les r\u00e9sultats obtenus<\/p>\n","protected":false},"author":3,"featured_media":16459,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[27],"tags":[],"class_list":["post-22079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite"],"aioseo_notices":[],"yoast_head":"<!-- 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