{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T07:28:12Z","timestamp":1774596492200,"version":"3.50.1"},"reference-count":25,"publisher":"FapUNIFESP (SciELO)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev. bras. meteorol."],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:p>As mudan\u00e7as ambientais, especialmente na criosfera, podem resultar em amplas consequ\u00eancias globais, sendo o estudo de geleiras das regi\u00f5es polares estrat\u00e9gicos para analisar \u00e1reas sens\u00edveis \u00e0s mudan\u00e7as clim\u00e1ticas. Neste trabalho foram analisadas as taxas de mudan\u00e7a da frente da geleira Polar Club e comparadas com a variabilidade interanual da temperatura do ar, na Pen\u00ednsula Potter, ilha Rei George, a fim de compreender o impacto direto das altera\u00e7\u00f5es do clima local na din\u00e2mica das \u00e1reas livres de gelo. Foi utilizada uma s\u00e9rie de dez cenas de imagens do sat\u00e9lite Landsat e dados de temperatura do ar superficial entre 1986 e 2011. Os resultados evidenciam uma tend\u00eancia no aumento na temperatura do ar de 0,04 \u00baC por ano, o que resultou no incremento de 1,03 \u00baC nas temperaturas m\u00e9dias do ar para o per\u00edodo de 26 anos analisados. A frente da geleira ao longo dos \u00faltimos 26 anos apresentou recuo progressivo, resultando em um aumento de 1,63 km\u00b2 de \u00e1rea livre de gelo na Pen\u00ednsula Potter. As influ\u00eancias das temperaturas atmosf\u00e9ricas no recuo da geleira demonstraram um atraso de cerca de um ano. Apesar das evid\u00eancias do aumento das temperaturas m\u00e9dias do ar na regi\u00e3o, apenas a s\u00e9rie de temperaturas atmosf\u00e9ricas n\u00e3o \u00e9 suficiente para explicar essa varia\u00e7\u00e3o observada. Este fen\u00f4meno pode estar associado \u00e0 re-acomoda\u00e7\u00e3o das tens\u00f5es da camada de gelo na ilha Rei George, \u00e0s mudan\u00e7as nas taxas de precipita\u00e7\u00e3o e condi\u00e7\u00f5es clim\u00e1ticas.<\/jats:p>","DOI":"10.1590\/0102-778620120439","type":"journal-article","created":{"date-parts":[[2014,8,30]],"date-time":"2014-08-30T19:28:44Z","timestamp":1409426924000},"page":"379-388","source":"Crossref","is-referenced-by-count":4,"title":["Varia\u00e7\u00f5es da frente da geleira Polar Club, Pen\u00ednsula Potter (ilha Rei George, Ant\u00e1rtica Mar\u00edtima) entre 1986 e 2011"],"prefix":"10.1590","volume":"29","author":[{"given":"Everton Lu\u00eds","family":"Poelking","sequence":"first","affiliation":[{"name":"Universidade Federal do Rec\u00f4ncavo da Bahia (UFRB), Brasil"}]},{"given":"Andr\u00e9 Medeiros de","family":"Andrade","sequence":"additional","affiliation":[{"name":"Universidade Federal do Rio Grande do Sul (UFRGS), Brasil"}]},{"given":"Gon\u00e7alo Brito T. G.","family":"Vieira","sequence":"additional","affiliation":[{"name":"Universidade de Lisboa (UL), Portugal"}]},{"given":"Carlos Ernesto G. R.","family":"Schaefer","sequence":"additional","affiliation":[{"name":"Universidade Federal de Vi\u00e7osa (UFV), Brasil"}]},{"given":"Elp\u00eddio In\u00e1cio","family":"Fernandes Filho","sequence":"additional","affiliation":[{"name":"Universidade Federal de Vi\u00e7osa (UFV), Brasil"}]}],"member":"530","reference":[{"issue":"n. 66","key":"ref1","first-page":"14","article-title":"Avalia\u00e7\u00e3o da influ\u00eancia da radia\u00e7\u00e3o solar na distribui\u00e7\u00e3o superficial da vegeta\u00e7\u00e3o na pen\u00ednsula Potter, Ant\u00e1rtica Mar\u00edtima","volume":"v. 21","author":"ANDRADE A. 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