{"id":112,"date":"2019-06-28T15:10:28","date_gmt":"2019-06-28T19:10:28","guid":{"rendered":"https:\/\/www2.whoi.edu\/staff\/lpratt\/?page_id=112"},"modified":"2022-12-19T13:28:06","modified_gmt":"2022-12-19T17:28:06","slug":"deep-circulation-overflows-and-canyon-flows","status":"publish","type":"page","link":"https:\/\/www2.whoi.edu\/staff\/lpratt\/research\/deep-circulation-overflows-and-canyon-flows\/","title":{"rendered":"Deep Circulation, Overflows, and Canyon Flows"},"content":{"rendered":"\n\n\t<h1>Deep Circulation, Overflows, and Canyon Flows<\/h1>\n\t<p>The ocean is naturally divided into deep basins and there are currents of dense water that flow around and between them.\u00a0 The sources of these currents are sinking regions near the poles, including the Nordic Seas north of Iceland and Scotland.\u00a0 As the dense water exits the sinking regions and moves from basin to basin, it often spills over topographic sills in the manner of flow over a dam.\u00a0 These overflows can become very turbulent and can mix rapidly with the surround fluid.\u00a0 Sills also represent choke points that are ideal for monitoring slow climate change.<\/p>\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-content\/uploads\/sites\/120\/2019\/06\/Fig.I4a_133297.jpg\" target=\"_self\" rel=\"noopener\">\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-content\/uploads\/sites\/120\/2019\/06\/Fig.I4a_133297.jpg\" alt=\"Locations of Major sills in North Atlantic Ocean\" height=\"570\" width=\"700\" title=\"Fig.I4a [Converted]\" \/>\n\t\t\t\t<\/a>\n\t\tLocations of Major sills in North Atlantic Ocean\n\t\t\t\t<img src=\"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-content\/plugins\/bb-plugin\/img\/pixel.png\" alt=\"\" \/>\n\t<p>At the other end, the fluid must somehow return to the surface, possibly through the upslope flows that have been observed in abyssal canyons.<\/p>\n\t\t\t\t<a href=\"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-content\/uploads\/sites\/120\/2019\/06\/DellCorrugatedBottomFig_title_129100.jpg\" target=\"_self\" rel=\"noopener\">\n\t\t\t\t<img loading=\"lazy\" src=\"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-content\/uploads\/sites\/120\/2019\/06\/DellCorrugatedBottomFig_title_129100.jpg\" alt=\"a simulated up-slope flow within an abyssal canyon with a corrugated bottom.\" height=\"552\" width=\"700\" title=\"\/private\/tmp\/tpa2ebb51e_6fe1_432a_91df_ceedc8f8435d.ps\" \/>\n\t\t\t\t<\/a>\n\t\tFrom Rebecca Dell&#8217;s Ph.D. thesis work, a simulated up-slope flow within an abyssal canyon with a corrugated bottom.\n\n","protected":false},"excerpt":{"rendered":"<p>Deep Circulation, Overflows, and Canyon Flows The ocean is naturally divided into deep basins and there are currents of dense water that flow around and between them.\u00a0 The sources of these currents are sinking regions near the poles, including the Nordic Seas north of Iceland and Scotland.\u00a0 As the dense water exits the sinking regions&hellip;<\/p>\n","protected":false},"author":205,"featured_media":0,"parent":308,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/pages\/112"}],"collection":[{"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/users\/205"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/comments?post=112"}],"version-history":[{"count":3,"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/pages\/112\/revisions"}],"predecessor-version":[{"id":353,"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/pages\/112\/revisions\/353"}],"up":[{"embeddable":true,"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/pages\/308"}],"wp:attachment":[{"href":"https:\/\/www2.whoi.edu\/staff\/lpratt\/wp-json\/wp\/v2\/media?parent=112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}