{"id":2784,"date":"2026-07-24T13:54:46","date_gmt":"2026-07-24T13:54:46","guid":{"rendered":"https:\/\/imo.udec.cl\/?page_id=2784"},"modified":"2026-07-28T18:31:46","modified_gmt":"2026-07-28T18:31:46","slug":"idoos-iii","status":"publish","type":"page","link":"https:\/\/imo.udec.cl\/en\/expediciones-y-observatorio\/expediciones-nacionales\/idoos-iii\/","title":{"rendered":"IDOOS III"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2784\" class=\"elementor elementor-2784\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b8c611 e-con e-atomic-element e-flexbox-base e-5b8c611-8caa809\" data-id=\"5b8c611\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"5b8c611\">\n    \t\t<div class=\"elementor-element elementor-element-bcb14d7 elementor-widget elementor-widget-heading\" data-id=\"bcb14d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IDOOS III<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed7910d elementor-widget elementor-widget-heading\" data-id=\"ed7910d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Integrated Deep Ocean Observation System<\/h2>\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-element elementor-element-78b60e7 e-flex e-con-boxed e-con e-parent\" data-id=\"78b60e7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e6774b9 e-con-full e-flex e-con e-child\" data-id=\"e6774b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-66a1740 elementor-widget elementor-widget-text-editor\" data-id=\"66a1740\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><b>General Description and Scientific Significance<\/b><\/p><p><span style=\"font-weight: 400;\">The IDOOS III expedition, conducted in 2025 aboard the Chilean Navy's oceanographic research vessel AGS-61 Cabo de Hornos, had as its primary objective the acoustic download of data from the FETCH AZA system and the recovery of two bottom pressure sensors that had been continuously operating in the Atacama Trench.<\/span><\/p><p><span style=\"font-weight: 400;\">The expedition extended the time series initiated in 2023 and evaluated the stability of the submarine geodetic records obtained within the Atacama seismic gap. In addition, a new Lander was deployed to continue long-term observations of the hadal environment and deep-ocean processes.<\/span><\/p><p>\u00a0<\/p><p><b>Scientific Objectives<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Perform the acoustic download of data from the FETCH AZA system.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recover two bottom pressure sensors.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Extend the submarine geodetic observation time series.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Monitor seafloor deformation in the Atacama Trench.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deploy the Lander for hadal observations.<\/span><\/li><\/ul><p><br \/><br \/><\/p><p><b>Onboard Technology<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">AGS-61 Cabo de Hornos research vessel.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">FETCH AZA bottom pressure sensors.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Acoustic communication and data download systems.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Autonomous Lander.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CTD-Rosette system.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deep-ocean oceanographic instrumentation.<\/span><\/li><\/ul><p>\u00a0<\/p><p><b>Participating Institutions<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Millennium Institute of Oceanography (IMO).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Oceanographic Instrumentation Center (CIO).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">University of Concepci\u00f3n.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chilean Navy.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57d5854 elementor-widget elementor-widget-gallery\" data-id=\"57d5854\" data-element_type=\"widget\" data-e-type=\"widget\" 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sistema FETCH AZA y la recuperaci\u00f3n de dos sensores de presi\u00f3n de fondo que hab\u00edan permanecido operando [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":287,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_angie_page":false,"footnotes":""},"class_list":["post-2784","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/pages\/2784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/comments?post=2784"}],"version-history":[{"count":19,"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/pages\/2784\/revisions"}],"predecessor-version":[{"id":3514,"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/pages\/2784\/revisions\/3514"}],"up":[{"embeddable":true,"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/pages\/287"}],"wp:attachment":[{"href":"https:\/\/imo.udec.cl\/en\/wp-json\/wp\/v2\/media?parent=2784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}