{"id":31508,"date":"2017-02-20T21:26:01","date_gmt":"2017-02-20T20:26:01","guid":{"rendered":"https:\/\/ocasapiens-dweb.blogautore.repubblica.it\/?p=31508"},"modified":"2021-12-19T15:07:11","modified_gmt":"2021-12-19T14:07:11","slug":"antartexit","status":"publish","type":"post","link":"https:\/\/archivio.ocasapiens.org\/index.php\/2017\/02\/20\/antartexit\/","title":{"rendered":"Antartexit"},"content":{"rendered":"<p>Da <em>Nature<\/em>, Jeff Tollerson<strong> <a href=\"http:\/\/www.nature.com\/news\/giant-crack-in-antarctic-ice-shelf-spotlights-advances-in-glaciology-1.21507\" target=\"_blank\" rel=\"noopener\">scrive<\/a><\/strong> che dopo la Larsen A nel 1995 e la Larsen B nel 2002, la Larsen C &#8211; una lingua di ghiaccio di 50 mila kmq., spessa fino a 350 metri &#8211; sta mollando gli ormeggi che la legano alla Penisola Antartica. Da fine gennaio, la frattura si \u00e8 allungata di 10 km e nei due inverni australi scorsi non si \u00e8 rinsaldata, come a volte succedeva.<\/p>\n<p>Se si stacca, il livello medio del mare si alza di un centimetro, il problema \u00e8 che fa da &#8220;<strong><a href=\"http:\/\/research.bpcrc.osu.edu\/rsl\/IST\/documents\/ThomasetalGRL2011.pdf\" target=\"_blank\" rel=\"noopener\">tappo<\/a><\/strong>&#8220;, nel senso che frena la discesa dei ghiacciai a monte:<\/p>\n<p style=\"padding-left: 30px;\">The speed at which glaciers connected to Larsen A and B flowed to the sea increased \u2014\u00a0by up to a factor of eight \u2014 after those ice shelves disintegrated, says Eric Rignot, a glaciologist at the University of California, Irvine. \u201cSome of [the glaciers] have slowed down a little bit, but they are still flowing five times faster than before.\u201d<\/p>\n<p style=\"text-align: left;\"><strong>agg. 21\/2\/2017<\/strong><\/p>\n<p style=\"text-align: left;\">Il British Antarctic Survey ha un <strong><a href=\"https:\/\/www.bas.ac.uk\/media-post\/new-footage-shows-rift-in-larsen-c-ice-shelf\/\" target=\"_blank\" rel=\"noopener\">nuovo video<\/a><\/strong> della Larsen C. I ricercatori sono pi\u00f9 ottimisti, pensano che potrebbe sgravarsi presto di un iceberg di 5.000 kmq e restare stabile comunque.<\/p>\n<p style=\"text-align: center;\">*<\/p>\n<p>In tema, un <strong><a href=\"https:\/\/www.youtube.com\/watch?v=n4e5UPu1co0&amp;utm_source=social_media&amp;utm_medium=hootsuite&amp;utm_campaign=standard\" target=\"_blank\" rel=\"noopener\">video<\/a><\/strong> della Royal Society spiega i cambiamenti climatici attuali in 60 secondi. Ne servirebbe uno sull&#8217;acidificazione e l&#8217;anossia degli oceani. A questo proposito del <strong><a href=\"http:\/\/www.nature.com\/nature\/journal\/v542\/n7641\/full\/nature21399.html\" target=\"_blank\" rel=\"noopener\">paper<\/a> <\/strong>dei tre di Geomar uscito mercoled\u00ec, diego segnala che Climate Feedback ha<strong><a href=\"http:\/\/climatefeedback.org\/evaluation\/scientists-just-detected-major-change-earths-oceans-linked-warming-climate-chris-mooney-the-washington-post\/\" target=\"_blank\" rel=\"noopener\"> recensito<\/a><\/strong> positivamente l&#8217;articolo di Chris Mooney (del\u00a0<em>WaPo<\/em>, bravissimo).<\/p>\n<p>Siccome da Climalteranti \u00e8 tornata la moderazione e nessuno ci copier\u00e0 le ultime bufale di David Rose, ai collezionisti consiglio la <a href=\"http:\/\/blog.hotwhopper.com\/2017\/02\/david-rose-uncovers-january-2017.html\" target=\"_blank\" rel=\"noopener\">recensione<\/a> di Sou, estratto:<\/p>\n<p style=\"padding-left: 30px;\">David Rose&#8217;s latest, like his previous, was full of fakery: fake news, fake horror, fake allegations, fake umbrage. He even seems to have faked\u00a0<a href=\"http:\/\/www.metoffice.gov.uk\/hadobs\/hadcrut4\/\" target=\"_blank\" rel=\"noopener\">the January 2017 temperature<\/a>\u00a0from the UK Met Office Hadley Centre,\u00a0<a href=\"https:\/\/archive.is\/TZq2i#selection-1381.0-1381.242\" target=\"_blank\" rel=\"noopener\">writing<\/a>:<\/p>\n<blockquote style=\"padding-left: 30px;\"><p>Since record highs caused last year by an \u2018el Nino\u2019 sea-warming event in the Pacific, HadCRUT 4 has fallen by more than half a degree Celsius, and its value for the world average temperature in January 2017 was about the same as January 1998.<\/p><\/blockquote>\n<p style=\"padding-left: 30px;\">After David Rose tweeted something about &#8220;full disclosure&#8221;,\u00a0<a href=\"http:\/\/www.metoffice.gov.uk\/research\/people\/john-kennedy\" target=\"_blank\" rel=\"noopener\">John Kennedy<\/a>\u00a0from the UK Met Office pointed out that January data for HadCRUT4 hasn&#8217;t yet been released. (<a href=\"https:\/\/twitter.com\/ClimateOfGavin\/status\/833309060787208192\" target=\"_blank\" rel=\"noopener\">Is there a mole<\/a>? :D)<\/p>\n<p style=\"text-align: center; padding-left: 30px;\">*<\/p>\n<p>\u00a0I ricercatori britannici sono preoccupati anche per il Brexit<a href=\"http:\/\/www.nature.com\/news\/delay-in-hiring-science-advisers-intensifies-brexit-worries-1.21511\" target=\"_blank\" rel=\"noopener\">, <strong>dice<\/strong><\/a> Daniel Cressey,<\/p>\n<p style=\"padding-left: 30px;\">Two government departments charged with managing the United Kingdom\u2019s departure from the European Union have not yet appointed chief scientific advisers (CSAs) \u2014 and might not do so. That is starting to concern science-policy experts, who worry that scientists won\u2019t be at the table when government makes key decisions on issues such as environmental protection and membership of international collaborations.<\/p>\n<p>In tutto, 7 ministeri sono senza CSA e quello della Giustizia ne ha uno che \u00e8 anche\u00a0&#8220;Director of Analysis and Chief Economist&#8221;. In Italia, quanti ministeri ne hanno uno?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Da Nature, Jeff Tollerson scrive che dopo la Larsen A nel 1995 e la Larsen B nel 2002, la Larsen C &#8211; una lingua di ghiaccio di 50 mila kmq., spessa fino a 350 metri &#8211; sta mollando gli ormeggi che la legano alla Penisola Antartica. Da fine gennaio, la frattura si \u00e8 allungata di&hellip; <a class=\"more-link\" href=\"https:\/\/archivio.ocasapiens.org\/index.php\/2017\/02\/20\/antartexit\/\">Continua a leggere <span class=\"screen-reader-text\">Antartexit<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,25],"tags":[1005,1833,3890],"class_list":["post-31508","post","type-post","status-publish","format-standard","hentry","category-clima","category-politica","tag-brexit","tag-david-rose","tag-larsen-c","entry"],"_links":{"self":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/31508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/comments?post=31508"}],"version-history":[{"count":2,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/31508\/revisions"}],"predecessor-version":[{"id":44715,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/posts\/31508\/revisions\/44715"}],"wp:attachment":[{"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/media?parent=31508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/categories?post=31508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archivio.ocasapiens.org\/index.php\/wp-json\/wp\/v2\/tags?post=31508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}