{"id":559,"date":"2013-05-16T15:32:08","date_gmt":"2013-05-16T14:32:08","guid":{"rendered":"http:\/\/www.arnoschrauwers.nl\/weblog\/?p=559"},"modified":"2013-05-16T15:33:50","modified_gmt":"2013-05-16T14:33:50","slug":"pool-verschuift-sneller-door-smelten-ijs","status":"publish","type":"post","link":"https:\/\/www.arnoschrauwers.nl\/weblog\/16\/05\/2013\/pool-verschuift-sneller-door-smelten-ijs\/","title":{"rendered":"Pool verschuift sneller door smelten ijs"},"content":{"rendered":"<p>Het noorden (en het zuiden) verschuift in de loop der decennia. De <a href=\"http:\/\/nl.wikipedia.org\/wiki\/Precessie\">draaias van de aarde<\/a> is niet stabiel. Dat is al tijden zo, maar nu lijkt het er op dat die afwijking de laatste jaren sneller gaat dan ooit. Elk jaar verschuift de Noordpool zo&#8217;n 27 cm naar het oosten. Dat schrijft een groep Amerikaanse en Chinese onderzoekers in het blad <a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/grl.50552\/abstract\">Geographical Research Letters<\/a>. Basis voor hun bevindingen zijn de gegevens van de meetsatellieten van <a href=\"<a href=\"http:\/\/www.csr.utexas.edu\/grace\/\"><\/a>&#8220;>GRACE<\/a>.<br \/>\n<img decoding=\"async\" src=\"http:\/\/www.arnoschrauwers.nl\/plaatjes\/smeltendijs.jpg\" alt=\"IJssmelt verandert richting draaias aarde (foto Le Monde)\" width=\"350\" border=\"2\" align=\"left\"\/><br \/>\nNormaal, maar wat is normaal?, beweegt de pool elk jaar zo&#8217;n 6 cm in de richting van het Canadese schiereiland<a href=\"http:\/\/nl.wikipedia.org\/wiki\/Labrador_%28schiereiland%29\">Labrador<\/a>. Nu verschuift de Noordpool meer in de richting van Groenland. Dat komt allemaal door het steeds sneller wegsmelten van de noordelijke ijskap, waardoor de (water)massa anders over de aardbol verdeeld wordt. Het veranderen van de ori\u00ebntatie van de aarde ten opzichte van de zon heeft consequenties voor het klimaat op aarde. <\/p>\n<p><em>Bron: <a href=\"http:\/\/passeurdesciences.blog.lemonde.fr\/2013\/05\/15\/le-changement-climatique-fait-bouger-le-pole-nord\/\">Le Monde<\/a> (foto Le Monde)<br \/>\n<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Het noorden (en het zuiden) verschuift in de loop der decennia. De draaias van de aarde is niet stabiel. Dat is al tijden zo, maar nu lijkt het er op dat die afwijking de laatste jaren sneller gaat dan ooit. &hellip; <a href=\"https:\/\/www.arnoschrauwers.nl\/weblog\/16\/05\/2013\/pool-verschuift-sneller-door-smelten-ijs\/\">Lees verder <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[91,90],"tags":[256,257,255,258],"class_list":["post-559","post","type-post","status-publish","format-standard","hentry","category-aardopwarming","category-klimaat","tag-aardprecessie","tag-draaias-aarde","tag-grace","tag-ijssmelt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pool verschuift sneller door smelten ijs - Geleerd uitschot<\/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:\/\/www.arnoschrauwers.nl\/weblog\/16\/05\/2013\/pool-verschuift-sneller-door-smelten-ijs\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pool verschuift sneller door smelten ijs - Geleerd uitschot\" \/>\n<meta property=\"og:description\" content=\"Het noorden (en het zuiden) verschuift in de loop der decennia. 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