{"id":74049,"date":"2025-03-13T00:18:57","date_gmt":"2025-03-12T23:18:57","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=74049"},"modified":"2025-03-12T16:13:31","modified_gmt":"2025-03-12T15:13:31","slug":"navzdory-varovanim-klimatickych-fanatiku-antarkticky-led-roste-uz-85-let","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/03\/13\/navzdory-varovanim-klimatickych-fanatiku-antarkticky-led-roste-uz-85-let\/","title":{"rendered":"Navzdory varov\u00e1n\u00edm klimatick\u00fdch fanatik\u016f: Antarktick\u00fd led roste u\u017e 85 let"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span>Zapomenut\u00e9 leteck\u00e9 sn\u00edmky z 30. let 20. stolet\u00ed poskytuj\u00ed p\u0159ekvapiv\u00e9 poznatky o stabilit\u011b antarktick\u00e9ho ledov\u00e9ho p\u0159\u00edkrovu. V\u011bdci z Koda\u0148sk\u00e9 univerzity ve studii ned\u00e1vno publikovan\u00e9 v\u00a0<\/span><em><span>Nature Communications<\/span><\/em><span>\u00a0prok\u00e1zali,\u00a0\u017ee led na 2000 km dlouh\u00e9m \u00faseku v\u00fdchodn\u00ed Antarktidy z\u016fstal stabiln\u00ed nebo dokonce m\u00edrn\u011b vzrostl po dobu nejm\u00e9n\u011b 85 let.<\/span><\/strong><\/p>\n<p><span>V\u011bdci prozkoumali stovky historick\u00fdch leteck\u00fdch sn\u00edmk\u016f z roku 1937, dopln\u011bn\u00fdch o sn\u00edmky z 50. a 70. let minul\u00e9ho stolet\u00ed. Pomoc\u00ed 3D po\u010d\u00edta\u010dov\u00e9 rekonstrukce se jim poda\u0159ilo vysledovat v\u00fdvoj ledovc\u016f za pozoruhodn\u011b dlouhou dobu.\u00a0<\/span><a href=\"https:\/\/www.nature.com\/articles\/s41467-024-48886-x\"><span>V\u00fdsledek je v rozporu s b\u011b\u017en\u00fdmi sc\u00e9n\u00e1\u0159i alarm\u016f<\/span><\/a><span> : \u201eVe srovn\u00e1n\u00ed s modern\u00edmi daty se rychlosti proud\u011bn\u00ed ledu nem\u011bn\u00ed. Zat\u00edmco n\u011bkter\u00e9 ledovce se zten\u010dily b\u011bhem krat\u0161\u00edch obdob\u00ed 10 a\u017e 20 let, z dlouhodob\u00e9ho hlediska z\u016fstaly stabiln\u00ed nebo dokonce m\u00edrn\u011b vzrostly, co\u017e ukazuje na syst\u00e9m v rovnov\u00e1ze.<\/span><\/p>\n<p><span>Tato zji\u0161t\u011bn\u00ed jsou sou\u010d\u00e1st\u00ed dal\u0161\u00edch studi\u00ed, kter\u00e9 vykresluj\u00ed diferencovan\u011bj\u0161\u00ed obraz Antarktidy. Dal\u0161\u00ed ned\u00e1vn\u00e1 studie nazvan\u00e1 \u201e\u00a0<\/span><a href=\"https:\/\/tc.copernicus.org\/articles\/17\/2059\/2023\/\"><span>Zm\u011bna oblasti antarktick\u00e9ho ledov\u00e9ho \u0161elfu od roku 2009 do roku 2019<\/span><\/a><span>\u00a0\u201c zjistila, \u017ee ledov\u00e9 \u0161elfy kolem Antarktidy se mezi lety 2009 a 2019 celkov\u011b zv\u011bt\u0161ily. Takov\u00fdm zji\u0161t\u011bn\u00edm se v\u0161ak v b\u011b\u017en\u00e9m zpravodajstv\u00ed v\u011bnuje jen mal\u00e1 pozornost.<\/span><\/p>\n<p><span>V\u011bdci z Kodan\u011b zd\u016fraz\u0148uj\u00ed hodnotu dlouhodob\u00fdch pozorov\u00e1n\u00ed: historick\u00e9 zdroje, jako jsou ran\u00e9 fotografie, poskytuj\u00ed podrobn\u00e9 \u010dasov\u00e9 a trojrozm\u011brn\u00e9 informace o velk\u00fdch oblastech. A\u010dkoli geologick\u00e9 d\u016fkazy pokr\u00fdvaj\u00ed del\u0161\u00ed obdob\u00ed, maj\u00ed \u010dasov\u00e9 nejistoty v \u0159\u00e1du tis\u00edc\u016f let. V Antarktid\u011b kv\u016fli nedostatku historick\u00fdch \u00fadaj\u016f o klimatu jsou klimatick\u00e9 anal\u00fdzy p\u0159ed rokem 1970 \u201evelice nejist\u00e9\u201c, zat\u00edmco \u201epozorovan\u00e9 trendy nelze jasn\u011b odli\u0161it od p\u0159irozen\u00e9 variability\u201c.<\/span><\/p>\n<p><span>To nezabr\u00e1nilo klimatick\u00fdm fanatik\u016fm, jako je\u00a0<\/span><a href=\"https:\/\/www.ft.com\/content\/5e76a2ec-f610-4772-9df9-c68530c1429e\"><span>Clive Cookson z Financial Times,<\/span><\/a><span> v interpretaci dvoulet\u00e9ho \u00fabytku mo\u0159sk\u00e9ho ledu v Antarktid\u011b jako znamen\u00ed \u201ekatastrofick\u00e9 kask\u00e1dy extr\u00e9mn\u00edch ekologick\u00fdch ud\u00e1lost\u00ed, kter\u00e9 ovlivn\u00ed klima na cel\u00e9m sv\u011bt\u011b\u201c. Typick\u00fd alarmismus od zelen\u00e9ho ideologick\u00e9ho mainstreamov\u00e9ho novin\u00e1\u0159e, kter\u00fd m\u00e1 s realitou pram\u00e1lo spole\u010dn\u00e9ho.<\/span><\/p>\n<p><span>Antarktick\u00fd cirkumpol\u00e1rn\u00ed proud, nejsiln\u011bj\u0161\u00ed vodn\u00ed proud na Zemi, byl ned\u00e1vno pops\u00e1n r\u016fzn\u00fdmi mainstreamov\u00fdmi m\u00e9dii jako \u201ev nebezpe\u010d\u00ed selh\u00e1n\u00ed\u201c. Nov\u00fd v\u00fdzkum pr\u00fd nazna\u010duje, \u017ee proud pote\u010de b\u011bhem 25 let o 20 procent pomaleji \u201ev otepluj\u00edc\u00edm se sv\u011bt\u011b\u201c, \u201es dalekos\u00e1hl\u00fdmi d\u016fsledky pro \u017eivot na Zemi\u201c. Nebylo zm\u00edn\u011bno, \u017ee\u00a0<\/span><a href=\"https:\/\/iopscience.iop.org\/article\/10.1088\/1748-9326\/adb31c\"><span>tato p\u0159edpov\u011b\u010f<\/span><\/a><span>\u00a0byla zalo\u017eena na po\u010d\u00edta\u010dov\u00e9m modelu nap\u00e1jen\u00e9m vysoce nepravd\u011bpodobn\u00fdm sc\u00e9n\u00e1\u0159em, kter\u00fd p\u0159edpokl\u00e1d\u00e1 n\u00e1r\u016fst glob\u00e1ln\u00ed teploty a\u017e o 4 \u00b0C za m\u00e9n\u011b ne\u017e 80 let. Ale kdo to bere tak v\u00e1\u017en\u011b?<\/span><\/p>\n<p><span>Na konci roku 2024 byl rozsah mo\u0159sk\u00e9ho ledu p\u0159ibli\u017en\u011b stejn\u00fd jako pr\u016fm\u011br z let 1981\u20132010,\u00a0<\/span><a href=\"https:\/\/nsidc.org\/sea-ice-today\/analyses\/ringing-new-year-warm-arctic\"><span>uv\u00e1d\u00ed<\/span><\/a><span> americk\u00e9 N\u00e1rodn\u00ed st\u0159edisko pro \u00fadaje o sn\u011bhu a ledu : \u201eTo zd\u016fraz\u0148uje vysokou variabilitu rozsahu mo\u0159sk\u00e9ho ledu v Antarktid\u011b. \u010casn\u00e9 sn\u00edmky meteorologick\u00e9 dru\u017eice Nimbus tak\u00e9 ukazuj\u00ed, \u017ee pokles v roce 2023 byl podobn\u00fd jako v roce 1966.<\/span><\/p>\n<p><span>Za posledn\u00edch sedm desetilet\u00ed do\u0161lo na velk\u00e9 \u010d\u00e1sti kontinentu k mal\u00e9mu nebo \u017e\u00e1dn\u00e9mu oteplen\u00ed. Oteplov\u00e1n\u00ed, ke kter\u00e9mu do\u0161lo na Z\u00e1pad\u011b, le\u017e\u00ed p\u0159\u00edmo\u00a0<\/span><a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/full\/10.1029\/2022GC010501\"><span>nad velk\u00fdm po\u010dtem sopek<\/span><\/a><span>\u00a0. Ned\u00e1vn\u00e1\u00a0<\/span><a href=\"https:\/\/www.nature.com\/articles\/s41612-020-00143-w\"><span>studie Singha a Polvaniho<\/span><\/a><span>\u00a0zjistila, \u017ee antarktick\u00fd mo\u0159sk\u00fd led \u201em\u00edrn\u011b expandoval\u201c, co\u017e z\u0159ejm\u011b potvrzuje pr\u00e1ci na r\u016fstu ledov\u00e9ho \u0161elfu mezi lety 2009 a 2019. Podle \u00fadaj\u016f NASA je ztr\u00e1ta ledu pouze 0,0005 procenta za rok.<\/span><\/p>\n<p><span>Antarktida je p\u0159\u00edkladem toho, jak by lid\u00e9 m\u011bli oh\u0159\u00edvat klima spalov\u00e1n\u00edm uhlovod\u00edk\u016f a jeden\u00edm masa. Dlouhodob\u00e1 data vykresluj\u00ed obraz, kter\u00fd se v\u00fdrazn\u011b odchyluje od sou\u010dasn\u00fdch klimatick\u00fdch narativ\u016f a vol\u00e1 po v\u011bdeck\u00e9 st\u0159\u00edzlivosti.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-71983\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/02\/aaa.jpg\" alt=\"\" width=\"89\" height=\"23\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zapomenut\u00e9 leteck\u00e9 sn\u00edmky z 30. let 20. stolet\u00ed poskytuj\u00ed p\u0159ekvapiv\u00e9 poznatky o stabilit\u011b antarktick\u00e9ho ledov\u00e9ho&#8230;<\/p>\n","protected":false},"author":2,"featured_media":74050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[116,873,1102],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/74049"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=74049"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/74049\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/74050"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=74049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=74049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=74049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}