{"id":4713,"date":"2018-09-06T21:02:59","date_gmt":"2018-09-06T19:02:59","guid":{"rendered":"https:\/\/sites.uclouvain.be\/slim\/testwordpress\/?page_id=4713"},"modified":"2018-12-06T14:09:28","modified_gmt":"2018-12-06T13:09:28","slug":"titan","status":"publish","type":"page","link":"https:\/\/www.slim-ocean.be\/index.php\/titan\/","title":{"rendered":"Modelling tides on Titan"},"content":{"rendered":"<p>Titan, the largest moon of Saturn, is known for its surface lakes and seas filled with liquid hydrocarbons. The Cassini spacecraft, which had been gazing at the saturnian system from 2004 to 2017, observed a methane cycle similar to the hydrological cycle on Earth and detected lakes and seas filled with liquid hydrocarbons (mainly methane and ethane). These surface lakes and seas are not the only liquid bodies on Titan; there is also a global ocean filled with water lying beneath its icy surface.<\/p>\n<figure id=\"attachment_5453\" aria-describedby=\"caption-attachment-5453\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5453\" src=\"https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan1.png\" alt=\"\" width=\"500\" height=\"489\" srcset=\"https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan1.png 867w, https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan1-300x293.png 300w, https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan1-768x751.png 768w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-5453\" class=\"wp-caption-text\">Image credit: <a href=\"https:\/\/saturn.jpl.nasa.gov\/resources\/5958\/titans-north-annotated-with-text\/\">NASA\/JPL-Caltech\/ASI\/USGS<\/a><\/figcaption><\/figure>\n<p>The 2D depth-averaged model has been used to study the tides of Kraken and Ligeia Maria (the largest seas of Titan), Ontario Lacus (the largest lake in the southern hemisphere), and of the global subsurface ocean. SLIM is well suited to study such barotropic flows and to conduct sensitivity analysis over the poorly constrained parameters (bottom friction, surface deformation, bathymetry, &#8230;). It is able to accurately represent the lakes and seas complex shorelines. Unexplained phenomena such as the shoreline variations (in Ontario Lacus), and the observed bright spot appearance\/disappearance (the co-called Magic Islands phenomena in the northern seas) are studied by means of the wetting and drying algorithm. The flow predicted by SLIM could also be used to design future observation missions on Titan.<\/p>\n<p>The sea surface elevation (in meters) induced by the tides in Kraken and Ligeia Maria is shown below. The highest\/lowest tides occurs 0.31 Titan day after perikron\/apokron in the south-eastern part of Kraken 2. The tidal motion in Kraken 1 and Ligeia Mare can be represented by a sloshing wave mode while there is an amphidromic point in Kraken 1. The tidal motion is independent in each basin, which can results in sea surface elevation positive at one end of the strait and negative at the other. In such case, a significant sea surface elevation gradient occurs in the strait(s), which results in strong flow.<\/p>\n<div style=\"width: 843px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-4713-1\" width=\"843\" height=\"526\" loop autoplay preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan_NorthernSeas_sse.mp4?_=1\" \/><a href=\"https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan_NorthernSeas_sse.mp4\">https:\/\/www.slim-ocean.be\/wp-content\/uploads\/2018\/09\/titan_NorthernSeas_sse.mp4<\/a><\/video><\/div>\n<p>&nbsp;<\/p>\n<h4>External collaborators<\/h4>\n<p>Prof. V\u00e9ronique Dehant and Dr \u00d6zg\u00fcr Karatekin (Royal Observatory of Belgium)<\/p>\n<h4>To learn more&#8230;<\/h4>\n<div id=\"zotpress-d4cb2f92595dba72006c6c6788fb63d2\" class=\"zp-Zotpress zp-Zotpress-Bib wp-block-group\">\n\n\t\t<span class=\"ZP_API_USER_ID 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id=\"zp-ID-4713-778265-RHP447JS\" data-zp-author-date='Vincent-et-al.-2022' data-zp-date-author='2022-Vincent-et-al.' data-zp-date='2022' data-zp-year='2022' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 2; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Vincent, D., Lambrechts, J., Tyler, R. H., Karatekin, \u00d6., Dehant, V., & Deleersnijder, \u00c9. (2022). A numerical study of the liquid motion in Titan\u2019s subsurface ocean. <i>Icarus<\/i>, <i>388<\/i>, 115219. <a class='zp-DOIURL' href='https:\/\/doi.org\/10.1016\/j.icarus.2022.115219'>https:\/\/doi.org\/10.1016\/j.icarus.2022.115219<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-4713-778265-TPVAGHVG\" data-zp-author-date='Vincent-et-al.-2019-08-31' data-zp-date-author='2019-08-31-Vincent-et-al.' data-zp-date='2019-08-31' data-zp-year='2019' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 2; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Vincent, D., Lambrechts, J., Karatekin, \u00d6., Van Hoolst, T., Tyler, R. H., Dehant, V., & Deleersnijder, E. (2019). Normal modes and resonance in Ontario Lacus: a hydrocarbon lake of Titan. <i>Ocean Dynamics<\/i>. <a class='zp-DOIURL' href='https:\/\/doi.org\/10.1007\/s10236-019-01290-2'>https:\/\/doi.org\/10.1007\/s10236-019-01290-2<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-4713-778265-2PE5KVFJ\" data-zp-author-date='Vincent-et-al.-2018' data-zp-date-author='2018-Vincent-et-al.' data-zp-date='2018' data-zp-year='2018' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 2; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Vincent, D., Karatekin, \u00d6., Lambrechts, J., Lorenz, R. D., Dehant, V., & Deleersnijder, \u00c9. (2018). A numerical study of tides in Titan\u2032s northern seas, Kraken and Ligeia Maria. <i>Icarus<\/i>, <i>310<\/i>, 105\u2013126. <a class='zp-DOIURL' href='https:\/\/doi.org\/10.1016\/j.icarus.2017.12.018'>https:\/\/doi.org\/10.1016\/j.icarus.2017.12.018<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\t\t\t\t<div id=\"zp-ID-4713-778265-A37KES8N\" data-zp-author-date='Vincent-et-al.-2016' data-zp-date-author='2016-Vincent-et-al.' data-zp-date='2016' data-zp-year='2016' data-zp-itemtype='journalArticle' class=\"zp-Entry zpSearchResultsItem\">\n<div class=\"csl-bib-body\" style=\"line-height: 2; padding-left: 1em; text-indent:-1em;\">\n  <div class=\"csl-entry\">Vincent, D., Karatekin, \u00d6., Vallaeys, V., Hayes, A. G., Mastrogiuseppe, M., Notarnicola, C., Dehant, V., & Deleersnijder, E. (2016). Numerical study of tides in Ontario Lacus, a hydrocarbon lake on the surface of the Saturnian moon Titan. <i>Ocean Dynamics<\/i>, <i>66<\/i>(4), 461\u2013482. <a class='zp-DOIURL' href='https:\/\/doi.org\/10.1007\/s10236-016-0926-2'>https:\/\/doi.org\/10.1007\/s10236-016-0926-2<\/a><\/div>\n<\/div>\n\t\t\t\t<\/div><!-- .zp-Entry .zpSearchResultsItem -->\n\t\t\t<\/div><!-- .zp-zp-SEO-Content -->\n\t\t<\/div><!-- .zp-List -->\n\t<\/div><!--.zp-Zotpress-->\n\n\n","protected":false},"excerpt":{"rendered":"<p>Titan, the largest moon of Saturn, is known for its surface lakes and seas filled with liquid hydrocarbons. The Cassini spacecraft, which had been gazing&hellip;<\/p>\n","protected":false},"author":13,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-4713","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/pages\/4713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/comments?post=4713"}],"version-history":[{"count":5,"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/pages\/4713\/revisions"}],"predecessor-version":[{"id":9783,"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/pages\/4713\/revisions\/9783"}],"wp:attachment":[{"href":"https:\/\/www.slim-ocean.be\/index.php\/wp-json\/wp\/v2\/media?parent=4713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}