{"id":220,"date":"2023-08-02T14:40:14","date_gmt":"2023-08-02T14:40:14","guid":{"rendered":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/?page_id=220"},"modified":"2023-09-01T11:58:38","modified_gmt":"2023-09-01T11:58:38","slug":"rip-basics","status":"publish","type":"page","link":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/key-points\/rip-basics\/","title":{"rendered":"Rip basics"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>Rip currents are seaward-directed flows of water driven by breaking waves that originate close to the shoreline and extend seaward across the surf zone, and beyond.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Rip currents are a major cause of accidental drowning on beaches worldwide. In the UK, over 60% of RNLI lifeguard incidents involve rip currents.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>There are a number of components that make up the rip current water circulation system: The <strong>breaking waves<\/strong> moving water onshore, the alongshore <strong>feeder currents<\/strong> and the offshore flowing <strong>rip current<\/strong>.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Drifter measurements of channel rip currents on beaches around the world showed that channel rips often flow in a circular pattern. On average, most of the drifters recirculated within the surf zone and only occasionally exited further offshore.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Rips current flow speeds are typically 1-2 mph but rip pulsations can reach 4 mph, faster than an elite swimmer.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>Rip currents that form around permanent structures are called boundary rips.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Rip currents are seaward-directed flows of water driven by breaking waves that originate close to the shoreline and extend seaward across the surf zone, and beyond. Rip currents are a major cause of accidental drowning on beaches worldwide. In the UK, over 60% of RNLI lifeguard incidents involve rip currents. There are a number of [&hellip;]<\/p>\n","protected":false},"author":270,"featured_media":0,"parent":218,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-220","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/pages\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/users\/270"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/comments?post=220"}],"version-history":[{"count":3,"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/pages\/220\/revisions"}],"predecessor-version":[{"id":347,"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/pages\/220\/revisions\/347"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/pages\/218"}],"wp:attachment":[{"href":"https:\/\/blogs.plymouth.ac.uk\/ripcurrents\/wp-json\/wp\/v2\/media?parent=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}