{"id":200,"date":"2018-03-09T15:05:51","date_gmt":"2018-03-09T14:05:51","guid":{"rendered":"http:\/\/rovarhavbrukssenter.no\/?post_type=species&#038;p=200"},"modified":"2018-04-19T09:54:09","modified_gmt":"2018-04-19T07:54:09","slug":"tidevann","status":"publish","type":[18],"link":"https:\/\/rovarhavbrukssenter.no\/species\/tidevann\/","title":{"rendered":"Tidevann"},"content":{"rendered":"<p>Tidevannet oppst\u00e5r fordi himmellegemer som sola og m\u00e5nen har en tiltrekning p\u00e5 jorda. M\u00e5nen er n\u00e6rmest jorda, og har st\u00f8rst p\u00e5virkningskraft. Havet blir dratt mot m\u00e5nen, og siden m\u00e5nen snurrer rundt jorda vil tidevannet \u201cf\u00f8lge etter den\u201d og bevege seg som en b\u00f8lge rundt jordkloden. Denne b\u00f8lgen lager flo og fj\u00e6re etterhvert som den beveger seg. Siden m\u00e5nens tiltrekningskraft virker b\u00e5de p\u00e5 havet n\u00e6rmest m\u00e5nen og p\u00e5 baksiden, vil alle jordas steder ha h\u00f8yvann to ganger i d\u00f8gnet.<\/p>\n<p>Det varierer hvor stor forskjellen p\u00e5 flo og fj\u00e6re er. Noen steder er det nesten ikke forskjell p\u00e5 h\u00f8yvann og lavvann, andre steder blir landskapet helt forandret. Forskjellen blir p\u00e5virket av tiltrekningskraften fra m\u00e5nen og sola, formen p\u00e5 kystlinjen, hvor dypt det er, og havstr\u00f8mmene. N\u00e5r tidevannsb\u00f8lgen treffer land skjer det refleksjoner og annet som p\u00e5virker hvordan b\u00f8lgen beveger seg.<\/p>\n<p>Langs norskekysten vil det bre seg en b\u00f8lge som blir st\u00f8rre jo lenger nordover den kommer. Tidevannet varierer med mange ulike perioder, og hos oss er den viktigste perioden halvdaglig slik at det er omtrent to ganger h\u00f8yvann og to ganger lavvann i d\u00f8gnet.<\/p>\n","protected":false},"featured_media":335,"parent":0,"template":"","format":"standard","class_list":["post-200","species","type-species","status-publish","format-standard","has-post-thumbnail","hentry","type-seainfo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tidevann - R\u00f8v\u00e6r Havbrukssenter<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rovarhavbrukssenter.no\/species\/tidevann\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tidevann - R\u00f8v\u00e6r Havbrukssenter\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rovarhavbrukssenter.no\/species\/tidevann\/\" \/>\n<meta property=\"og:site_name\" content=\"R\u00f8v\u00e6r Havbrukssenter\" \/>\n<meta property=\"article:modified_time\" content=\"2018-04-19T07:54:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rovarhavbrukssenter.no\/wp-content\/uploads\/2018\/03\/tidevann2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1025\" \/>\n\t<meta property=\"og:image:height\" content=\"514\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ansl. lesetid\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minutt\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rovarhavbrukssenter.no\\\/species\\\/tidevann\\\/\",\"url\":\"https:\\\/\\\/rovarhavbrukssenter.no\\\/species\\\/tidevann\\\/\",\"name\":\"Tidevann - 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