{"id":1625,"date":"2018-09-18T16:00:18","date_gmt":"2018-09-18T14:00:18","guid":{"rendered":"https:\/\/arctrain.de\/?p=1625"},"modified":"2018-11-08T10:18:23","modified_gmt":"2018-11-08T09:18:23","slug":"polar-week-polar-number-challenge-take-two","status":"publish","type":"post","link":"https:\/\/arctrain.de\/fr\/polar-week-polar-number-challenge-take-two\/","title":{"rendered":"Polar Week: Polar Number Challenge \u2013 Take Two"},"content":{"rendered":"<div id=\"attachment_1645\" style=\"width: 254px\" class=\"wp-caption alignright\"><a href=\"https:\/\/twitter.com\/Polar_Research\/status\/1041945546485891074\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1645\" class=\"wp-image-1645\" src=\"https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/APECS_Polar-300x194.jpg\" alt=\"\" width=\"244\" height=\"158\" srcset=\"https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/APECS_Polar-300x194.jpg 300w, https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/APECS_Polar-768x495.jpg 768w, https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/APECS_Polar.jpg 1000w\" sizes=\"(max-width: 244px) 100vw, 244px\" \/><\/a><p id=\"caption-attachment-1645\" class=\"wp-caption-text\">APECS Polar Week 2018, Day Two, Polar Number: Percentages<\/p><\/div>\n<p>Welcome to part 2 of our humble quest to provide you with our <a href=\"https:\/\/twitter.com\/hashtag\/PolarNumbers?src=hash\">#PolarNumbers<\/a>!<\/p>\n<p>Today, I want to share some Arctic <a href=\"https:\/\/twitter.com\/hashtag\/PolarNumbers?src=hash\">#PolarNumbers<\/a>\u00a0with you (and since today&#8217;s challenge is percentages, I of course hid some <span style=\"color: #33cccc;\"><strong>%<\/strong><\/span> in our Arctic numbers):<\/p>\n<ul>\n<li><strong>6*10\u2076 km\u00b2<\/strong>: So much of the Arctic Ocean is covered<a href=\"http:\/\/nsidc.org\/arcticseaicenews\/charctic-interactive-sea-ice-graph\/\"> by sea ice in summer<\/a>, corresponding to 18365 cities of Bremen<\/li>\n<li><strong>15*10\u2076 km\u00b2<\/strong>: So much of the Arctic Ocean is covered <a href=\"http:\/\/nsidc.org\/arcticseaicenews\/charctic-interactive-sea-ice-graph\/\">by sea ice in winter<\/a>, corresponding to 45914 cities of Bremen<\/li>\n<li><span style=\"color: #33cccc;\"><strong>11%<\/strong><\/span>: That&#8217;s how much the all-year sea extent declined between 1979 and 2010 (not even including the last years where itdropped even faster). Each year&#8217;s minimum sea ice extent since 2002 has been beneath <a href=\"http:\/\/nsidc.org\/arcticseaicenews\/charctic-interactive-sea-ice-graph\/\">the average between 1981 and 2010<\/a>\n<p><div id=\"attachment_1630\" style=\"width: 313px\" class=\"wp-caption alignright\"><a href=\"https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1630\" class=\"wp-image-1630\" src=\"https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1.png\" alt=\"\" width=\"303\" height=\"306\" srcset=\"https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1.png 997w, https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1-150x150.png 150w, https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1-296x300.png 296w, https:\/\/arctrain.de\/wp-content\/uploads\/2018\/09\/piomas_death_spiral_end-1-768x777.png 768w\" sizes=\"(max-width: 303px) 100vw, 303px\" \/><\/a><p id=\"caption-attachment-1630\" class=\"wp-caption-text\">Decrease of Arctic sea ice volume between 1979 and 2017. Watch the entire video here: <a href=\"https:\/\/www.youtube.com\/watch?v=6sbBxECIKxs\">https:\/\/www.youtube.com\/watch?v=6sbBxECIKxs<\/a><\/p><\/div><\/li>\n<li><strong>1.30 m<\/strong>: Mean sea ice thickness in autumn<\/li>\n<li><strong>2 m<\/strong>: Average sea ice thickness in summer<\/li>\n<li><strong>1.5 m<\/strong>: <a href=\"http:\/\/www.ipcc.ch\/pdf\/assessment-report\/ar5\/wg1\/WG1AR5_Chapter04_FINAL.pdf\">Sea ice thickness decline<\/a> (conservative estimate) between 1978 and 2008 (again, not even including the recent years&#8230;)<\/li>\n<li><span style=\"color: #33cccc;\"><strong>40%<\/strong><\/span>: <a href=\"http:\/\/psc.apl.uw.edu\/research\/projects\/arctic-sea-ice-volume-anomaly\/\">Sea ice volume in 2017<\/a>, compared to the average between 1979 and 2017 (watch\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=6sbBxECIKxs\">this video<\/a> for an impressive animation of sea ice volume decrease)<\/li>\n<li><span style=\"color: #33cccc;\"><strong>40%<\/strong><\/span>: Time a vessel saves by <a href=\"https:\/\/www.thearcticinstitute.org\/complexities-arctic-maritime-traffic\/\">taking the Northeastern Passage rather than the Suez Channel<\/a> for the highly frequented route Rotterdam-Yokohama<\/li>\n<li><strong>11:<\/strong> <a href=\"https:\/\/www.theguardian.com\/world\/2018\/jul\/18\/sweden-calls-for-help-as-arctic-circle-hit-by-wildfires\">Number of wildfires<\/a> north of the Arctic Circle ( North of 66\u00b0N) that have been reported this year<\/li>\n<li><strong>6.2\u00b0C: <\/strong>Temperature measured at the <a href=\"http:\/\/rp5.co.uk\/Weather_archive_in_Cape_Morris_Jesup\">northernmost tip of Greenland<\/a> on February 22nd<\/li>\n<\/ul>\n<p>&#8230;but yeah, climate change is <a href=\"https:\/\/twitter.com\/realDonaldTrump\/status\/265895292191248385?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E265895292191248385&amp;ref_url=https%3A%2F%2Fwww.vox.com%2Fpolicy-and-politics%2F2017%2F6%2F1%2F15726472%2Ftrump-tweets-global-warming-paris-climate-agreement\">absolutely a Chinese invention<\/a>, no doubt about that.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to part 2 of our humble quest to provide you with our #PolarNumbers! Today, I want to share some Arctic #PolarNumbers\u00a0with you (and since today&#8217;s challenge is percentages, I of course hid some % in our Arctic numbers): 6*10\u2076 km\u00b2: So much of the Arctic Ocean is covered by sea ice in summer, corresponding [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":1645,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,23,27],"tags":[],"coauthors":[],"translation":{"provider":"WPGlobus","version":"2.12.2","language":"fr","enabled_languages":["en","de","fr","ru"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/posts\/1625"}],"collection":[{"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/comments?post=1625"}],"version-history":[{"count":15,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/posts\/1625\/revisions"}],"predecessor-version":[{"id":1652,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/posts\/1625\/revisions\/1652"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/media\/1645"}],"wp:attachment":[{"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/media?parent=1625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/categories?post=1625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/tags?post=1625"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/arctrain.de\/fr\/wp-json\/wp\/v2\/coauthors?post=1625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}