{"id":87,"date":"2015-07-22T17:35:48","date_gmt":"2015-07-22T16:35:48","guid":{"rendered":"http:\/\/marine.geophysicsgpr.com\/?page_id=87"},"modified":"2021-07-12T22:20:24","modified_gmt":"2021-07-12T21:20:24","slug":"sonar-a-balayage-lateral","status":"publish","type":"page","link":"https:\/\/marine.geophysicsgpr.com\/fr\/techniques-geophysiques-marine\/sonar-a-balayage-lateral","title":{"rendered":"Sonar \u00e0 balayage lat\u00e9ral"},"content":{"rendered":"<div id=\"pl-87\"  class=\"panel-layout\" ><div id=\"pg-87-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-87-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-87-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div class=\"texte-home-right article panel-widget-style panel-widget-style-for-87-0-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>Les lev\u00e9s de sonar \u00e0 balayage lat\u00e9ral permettent d\u2019obtenir des imageries acoustiques du fond marin et de la partie immerg\u00e9e de structures et d\u2019ouvrages comme des \u00e9paves, des digues et barrages, des pipelines, etc.<\/p>\n<p>Cette m\u00e9thode permet d\u2019obtenir des images similaires \u00e0 celles des photographies a\u00e9riennes, montrant les changements topographiques du fond marin, ainsi que les d\u00e9tails d\u2019objets immerg\u00e9s sur une grande \u00e9tendue, ind\u00e9pendamment de la turbidit\u00e9 de l\u2019eau.<\/p>\n<p>Les donn\u00e9es enregistr\u00e9es par voie num\u00e9rique comprennent des renseignements sur la position. Nous employons un logiciel sp\u00e9cialis\u00e9 pour cr\u00e9er des mosa\u00efques haute r\u00e9solution d\u2019apr\u00e8s les donn\u00e9es enregistr\u00e9es couvrant une vaste \u00e9tendue du fond marin.<\/p>\n<p>Ce syst\u00e8me fonctionne aussi bien dans les rivi\u00e8res et les lacs qu\u2019en mer.<\/p>\n<h2 class=\"h2resize\">Applications du sonar \u00e0 balayage lat\u00e9ral :<\/h2>\n<ul>\n<li>Classification des s\u00e9diments se trouvant sur le fond marin;<\/li>\n<li>Rep\u00e9rage des obstacles\/objets au fond des cours d\u2019eau;<\/li>\n<li>Inspection de coque;<\/li>\n<li>Inspection d\u2019ouvrages sous-marins (pipeline, pilier de pont, barrage, etc.);<\/li>\n<li>Recherche et sauvetage sous-marins.<\/li>\n<\/ul>\n<p><span id=\"result_box\" class=\"\" lang=\"fr\"><span class=\"hps\">Le sonar \u00e0 balayage lat\u00e9ral<\/span> <span class=\"hps\">peut \u00eatre utilis\u00e9 pour<\/span> <span class=\"hps\">mener des enqu\u00eates<\/span> <span class=\"hps\">pour<\/span> <span class=\"hps\">l'arch\u00e9ologie maritime<\/span>; <span class=\"hps\">en<\/span> <span class=\"hps\">conjonction<\/span> <span class=\"hps\">avec des \u00e9chantillons<\/span> <span class=\"hps\">du fond marin<\/span>, il est <span class=\"hps\">en mesure de fournir<\/span> <span class=\"hps\">une compr\u00e9hension des<\/span> <span class=\"hps\">diff\u00e9rences de<\/span><span class=\"hps\"> type de mat\u00e9riau<\/span> <span class=\"hps\">et la texture du<\/span> <span class=\"hps\">fond marin.<\/span> <\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"fr\"><span class=\"hps\">L'imagerie<\/span>\u00a0par\u00a0<span class=\"hps\">sonar \u00e0 balayage lat\u00e9ral<\/span> <span class=\"hps\">est \u00e9galement un outil<\/span> <span class=\"hps\">couramment utilis\u00e9 pour<\/span> <span class=\"hps\">d\u00e9tecter les<\/span> <span class=\"hps\">\u00e9l\u00e9ments<\/span> <span class=\"hps\">de d\u00e9bris et<\/span> <span class=\"hps\">autres obstacles<\/span> <span class=\"hps\">sur le fond<\/span> <span class=\"hps\">qui peuvent \u00eatre dangereux<\/span>\u00a0<span class=\"hps\">pour la navigation ou<\/span> <span class=\"hps\">\u00e0<\/span> <span class=\"hps\">des fonds marins pour des<\/span> <span class=\"hps\">installations<\/span> <span class=\"hps\">de l'industrie du<\/span> <span class=\"hps\">p\u00e9trole et du gaz<\/span>. <span class=\"hps\">En outre,<\/span> <span class=\"hps\">le statut de<\/span> <span class=\"hps\">pipelines et de c\u00e2bles<\/span> <span class=\"hps\">sur le fond marin<\/span> <span class=\"hps\">peut \u00eatre<\/span> <span class=\"hps\">\u00e9tudi\u00e9 en utilisant un<\/span> <span class=\"hps\">sonar \u00e0 balayage lat\u00e9ral<\/span><span class=\"\">.<\/span><\/span><\/p>\n<p>Pour plus d'informations, veuillez contacter notre <a href=\"https:\/\/geophysicsgpr.com\/fr\/contact\/\">\u00c9quipe de lev\u00e9 marin<\/a>.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-87-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-87-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-87-1-0-0\" class=\"so-panel widget widget_sow-image panel-first-child panel-last-child\" data-index=\"1\" ><div class=\"panel-widget-style panel-widget-style-for-87-1-0-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-87\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/marine.geophysicsgpr.com\/wp-content\/uploads\/sites\/5\/2015\/07\/Marine_techniques_sidescan_1.jpg\" width=\"640\" height=\"108\" srcset=\"https:\/\/marine.geophysicsgpr.com\/wp-content\/uploads\/sites\/5\/2015\/07\/Marine_techniques_sidescan_1.jpg 640w, https:\/\/marine.geophysicsgpr.com\/wp-content\/uploads\/sites\/5\/2015\/07\/Marine_techniques_sidescan_1-300x51.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" title=\"Marine_techniques_sidescan\" alt=\"Marine_techniques_sidescan\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><div id=\"pgc-87-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-87-1-1-0\" class=\"so-panel widget widget_sow-image panel-first-child panel-last-child\" data-index=\"2\" ><div class=\"panel-widget-style panel-widget-style-for-87-1-1-0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-image so-widget-sow-image-default-8b5b6f678277-87\"\n\t\t\t\n\t\t>\n<div class=\"sow-image-container\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/marine.geophysicsgpr.com\/wp-content\/uploads\/sites\/5\/2015\/07\/Marine_techniques_sidescan_3_insert.jpg\" width=\"225\" height=\"150\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" title=\"Marine_techniques_sidescan\" alt=\"Sonar \u00e0 balayage\" \t\tclass=\"so-widget-image\"\/>\n\t<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Les lev\u00e9s de sonar \u00e0 balayage lat\u00e9ral permettent d\u2019obtenir des imageries acoustiques du fond marin et de la partie immerg\u00e9e de structures et d\u2019ouvrages comme des \u00e9paves, des digues et barrages, des pipelines, etc. Cette m\u00e9thode permet d\u2019obtenir des images similaires \u00e0 celles des photographies a\u00e9riennes, montrant les changements topographiques du fond marin, ainsi que&#8230;  <a href=\"https:\/\/marine.geophysicsgpr.com\/fr\/techniques-geophysiques-marine\/sonar-a-balayage-lateral\" class=\"more-link\" title=\"Read Sonar \u00e0 balayage lat\u00e9ral\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":78,"parent":16,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width.php","meta":{"content-type":"","footnotes":""},"class_list":["post-87","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/87","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/comments?post=87"}],"version-history":[{"count":14,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/87\/revisions"}],"predecessor-version":[{"id":1747,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/87\/revisions\/1747"}],"up":[{"embeddable":true,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/pages\/16"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/media\/78"}],"wp:attachment":[{"href":"https:\/\/marine.geophysicsgpr.com\/fr\/wp-json\/wp\/v2\/media?parent=87"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}