{"id":53131,"date":"2022-05-03T23:00:00","date_gmt":"2022-05-03T21:00:00","guid":{"rendered":"https:\/\/podcast.rs\/?p=53131"},"modified":"2022-05-05T15:06:11","modified_gmt":"2022-05-05T13:06:11","slug":"radio-galaksija-147-fizika-arktickog-leda-dr-predrag-popovic-03-05-2022","status":"publish","type":"post","link":"https:\/\/podcast.rs\/en\/radio-galaksija-147-fizika-arktickog-leda-dr-predrag-popovic-03-05-2022\/","title":{"rendered":"Radio Galaksija #147: Fizika arkti\u010dkog leda (dr Predrag Popovi\u0107) [03-05-2022]"},"content":{"rendered":"<p>U ovoj epizodi Radio Galaksije bavili smo se Arktikom! Pri\u010dali smo o arkti\u010dkom ledu, stvaranju i topljenju leda, jezercima na arkti\u010dkom ledu i fizici koja ih opisuje. <\/p>\n<p>Gost je\u00a0 bio <a href=\"https:\/\/www.ipgp.fr\/en\/user\/45199\"><b>dr Predrag Popovi\u0107<\/b><\/a> sa Instituta za fiziku Zemlje iz Pariza.\u00a0<\/p>\n<p>Ako vas zanima kako se geofizi\u010dari bave Arktikom, kako se fizi\u010dkim modelima mo\u017ee opisati evolucija arkti\u010dkih jezeraca na ledu, problem koji zna\u010dajno uti\u010de na lokalni arkti\u010dki sistem i odre\u0111uje globalne parametre za globalne modele klimatskih promena, poput albeda, recimo, poslu\u0161ajte ovu epizodu.\u00a0<\/p>\n<p>Pri\u010dali smo o problemima istra\u017eivanja leda na Arktiku, fizici procesa nastajanja leda i topljenja leda, stvaranja jezeraca, njihovim oblicima, distribuciji po veli\u010dini, kao i kako kriti\u010dna granica perkolacije (sazna\u0107ete u emisiji \u0161ta je to \ud83d\ude09 ) kontroli\u0161e evoluciju jezeraca tokom vremena.\u00a0<\/p>\n<p>Govorili smo o modelima koji opisuju raspodelu jezeraca i njihovu evoluciju, kao i kako je dobijena analiti\u010dka zavisnost koja nam odre\u0111uje globalne parametre va\u017ene za globalne klimatolo\u0161ke modele i posmatranja Arktika na osnovu lokalnih i malih struktura jezeraca i njihove povezanosti na ledu Arktika. Tako\u0111e, pri\u010dali smo i o ubrzavanju topljenja arkti\u010dkog leda stvaranjem jezeraca i zna\u010daju ovog procesa za globalne klimatske promene i globalno zagrevanje.\u00a0<\/p>\n<p>Ako vas zanimaju detalji, mo\u017eete vi\u0161e pro\u010ditati u Pe\u0111inom doktoratu i u radovima:\u00a0<\/p>\n<ul>\n<li><b>Popovic, P., 2020. <\/b><a href=\"https:\/\/knowledge.uchicago.edu\/record\/2180\"><b>Idealized Models of Arctic Sea Ice Melt Ponds<\/b><\/a><b>.<\/b><\/li>\n<li>Popovi\u0107, P., Cael, B.B., Silber, M. and Abbot, D.S., 2018. <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.120.148701\">Simple rules govern the patterns of Arctic sea ice melt ponds<\/a>. <em>Physical review letters<\/em>, <em>120<\/em>(14), p.148701.<\/li>\n<li>Popovi\u0107, P., Silber, M.C. and Abbot, D.S., 2020. <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2019JC016029\">Critical percolation threshold restricts late\u2010summer Arctic sea ice melt pond coverage<\/a>. <em>Journal of Geophysical Research: Oceans<\/em>, <em>125<\/em>(8), p.e2019JC016029.<\/li>\n<li>Popovi\u0107, P., Finkel, J., Silber, M.C. and Abbot, D.S., 2020. <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/abs\/10.1029\/2019JC016034\">Snow topography on undeformed Arctic sea ice captured by an idealized \u201csnow dune\u201d model<\/a>. <em>Journal of Geophysical Research: Oceans<\/em>, <em>125<\/em>(9), p.e2019JC016034.<\/li>\n<li>Macdonald, G.J., Popovi\u0107, P. and Mayer, D.P., 2020. <a href=\"https:\/\/www.cambridge.org\/core\/journals\/annals-of-glaciology\/article\/formation-of-sea-ice-ponds-from-iceshelf-runoff-adjacent-to-the-mcmurdo-ice-shelf-antarctica\/1ED66C0B6B895E35045DC72CDA4EC028\">Formation of sea ice ponds from ice-shelf runoff, adjacent to the McMurdo Ice Shelf, Antarctica<\/a>. <em>Annals of Glaciology<\/em>, <em>61<\/em>(82), pp.73-77.<\/li>\n<\/ul>\n<p><\/p>\n<p><b>Ukoliko na\u0161 rad \u017eelite da podr\u017eavate iznosom koji sami odre\u0111ujete na mese\u010dnom nivou, to mo\u017eete u\u010diniti ovde: <\/b><a href=\"https:\/\/patreon.com\/join\/radiogalaksija\"><b>https:\/\/patreon.com\/join\/radiogalaksija<\/b><\/a><b>. Ukoliko \u017eelite da donirate Radio Galaksiju jednokratno preko PayPal-a, to mo\u017eete u\u010diniti ovde: <\/b><a href=\"http:\/\/paypal.me\/radiogalaksija\"><b>http:\/\/paypal.me\/radiogalaksija<\/b><\/a><b>. Hvala!<\/b><\/p>\n<p>Pratite nas i na dru\u0161tvenim mre\u017eama: <a href=\"http:\/\/facebook.com\/radiogalaksija\/\">Facebook<\/a>, <a href=\"http:\/\/instagram.com\/radiogalaksija\/%20\">Instagram<\/a>, <a href=\"http:\/\/twitter.com\/radiogalaksija\/\">Twitter<\/a>, <a href=\"http:\/\/reddit.com\/r\/radiogalaksija\/\">Reddit<\/a>.<\/p>\n<p>A ukoliko vi\u0161e volite da \u010ditate e-mailove, prijavite se na na\u0161 <em>newsletter<\/em>, <a href=\"http:\/\/eepurl.com\/hhCs29\">ovde<\/a>.<\/p>\n<p>\u00a0<\/p>\n<p><a rel=\"payment\" href=\"http:\/\/patreon.com\/radiogalaksija\">Support the show<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>U ovoj epizodi Radio Galaksije bavili smo se Arktikom! Pri\u010dali smo o arkti\u010dkom ledu, stvaranju i topljenju leda, jezercima na arkti\u010dkom ledu i fizici koja ih opisuje. Gost je\u00a0 bio dr Predrag Popovi\u0107 sa Instituta za fiziku Zemlje iz Pariza.\u00a0 Ako vas zanima kako se geofizi\u010dari bave Arktikom, kako se fizi\u010dkim modelima mo\u017ee opisati evolucija&#8230;<\/p>","protected":false},"author":3,"featured_media":41315,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"audio","meta":{"footnotes":""},"categories":[70],"tags":[],"class_list":["post-53131","post","type-post","status-publish","format-audio","has-post-thumbnail","hentry","category-radio-galaksija","post_format-post-format-audio"],"_links":{"self":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/53131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/comments?post=53131"}],"version-history":[{"count":1,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/53131\/revisions"}],"predecessor-version":[{"id":53132,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/posts\/53131\/revisions\/53132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/media\/41315"}],"wp:attachment":[{"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/media?parent=53131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/categories?post=53131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/podcast.rs\/en\/wp-json\/wp\/v2\/tags?post=53131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}