{"id":1783,"date":"2017-10-20T22:53:50","date_gmt":"2017-10-20T20:53:50","guid":{"rendered":"https:\/\/sargasses.mio.osupytheas.fr\/?p=1783"},"modified":"2017-10-23T18:21:37","modified_gmt":"2017-10-23T16:21:37","slug":"les-coulisses-de-la-detection-des-sargasses-en-mer","status":"publish","type":"post","link":"https:\/\/sargasses.mio.osupytheas.fr\/?p=1783","title":{"rendered":"LES COULISSES DE LA DETECTION DES SARGASSES EN MER"},"content":{"rendered":"<p>Apr\u00e8s sa discussion avec le commandant <a href=\"https:\/\/sargasses.mio.osupytheas.fr\/wp-admin\/customize.php?url=https%3A%2F%2Fwww.mio.univ-amu.fr%2FSARGASSES%2F%3Fpage_id%3D1754%26preview_id%3D1754%26preview_nonce%3Dec991a0332%26_thumbnail_id%3D-1%26preview%3Dtrue\">Anouck <\/a>a voulu partager avec nous l\u2019itin\u00e9raire choisi. Apr\u00e8s avoir mis cap au Sud depuis le Cap-Vert le navire s\u2019est dirig\u00e9 \u00e0 l\u2019Ouest pour traverser l\u2019Oc\u00e9an Atlantique et atteindre les Antilles.<\/p>\n<p>Cette image est une superposition de toutes les images du satellite MODIS acquises durant le mois de septembre.<\/p>\n<figure id=\"attachment_1784\" aria-describedby=\"caption-attachment-1784\" style=\"width: 1035px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1784\" src=\"https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis.png\" alt=\"\" width=\"1035\" height=\"469\" srcset=\"https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis.png 1035w, https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis-300x136.png 300w, https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis-768x348.png 768w, https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis-1024x464.png 1024w, https:\/\/sargasses.mio.osupytheas.fr\/wp-content\/uploads\/2017\/10\/FigureRoutebis-596x270.png 596w\" sizes=\"auto, (max-width: 1035px) 100vw, 1035px\" \/><figcaption id=\"caption-attachment-1784\" class=\"wp-caption-text\">\u00a9 Anouck ODY<\/figcaption><\/figure>\n<p>On y voit, en jaune, des r\u00e9gions o\u00f9 des objets flottants probablement des Sargasses, ont \u00e9t\u00e9 pr\u00e9sentes durant le mois de septembre. Attention cependant les zones jaunes proches des c\u00f4tes sont des artefacts dus \u00e0 la pr\u00e9sence d\u2019objets plastiques ou de substances apport\u00e9es par les bassins versant ou encore \u00a0d\u2019algues brunes \u00e9chou\u00e9es sur les plages.<\/p>\n<p>En bleu clair, on retrouve des zones o\u00f9 les Sagrasses sont absentes ou en quantit\u00e9 trop faible pour \u00eatre d\u00e9tect\u00e9es. Et en bleu fonc\u00e9, les zones pour lesquelles nous n\u2019avons pas de donn\u00e9es en raison des nuages !<\/p>\n<p>Lorsque nos scientifiques soup\u00e7onnent la pr\u00e9sence de Sargasses en raison de la couleur jaune, ils doivent v\u00e9rifier si ce n\u2019est pas d\u00fb \u00e0 la pr\u00e9sence d\u2019objets divers, comme le plastique par exemple. Ils se servent alors de la mod\u00e9lisation et des courants pour avoir la confirmation que ce sont bien des algues brunes !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s sa discussion avec le commandant Anouck a voulu partager avec nous l\u2019itin\u00e9raire choisi. Apr\u00e8s avoir mis cap au Sud depuis le Cap-Vert le navire s\u2019est dirig\u00e9 \u00e0 l\u2019Ouest pour traverser l\u2019Oc\u00e9an Atlantique et atteindre les Antilles.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,7],"tags":[],"class_list":["post-1783","post","type-post","status-publish","format-standard","hentry","category-anecdotes","category-mission-sargasse-ii"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9eHwp-sL","_links":{"self":[{"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/1783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1783"}],"version-history":[{"count":5,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/1783\/revisions"}],"predecessor-version":[{"id":1873,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/1783\/revisions\/1873"}],"wp:attachment":[{"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sargasses.mio.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}