\n<\/p>\n
Uluslararas\u0131 bir ara\u015ft\u0131rma ekibinin yay\u0131mlad\u0131\u011f\u0131 kapsaml\u0131 \u00e7al\u0131\u015fmaya g\u00f6re, d\u00fcnyan\u0131n en kuzeyinde a\u015f\u0131r\u0131 hava olaylar\u0131 belirgin bi\u00e7imde art\u0131yor ve bu art\u0131\u015f art\u0131k \u201cola\u011fan d\u0131\u015f\u0131\u201d olmaktan \u00e7\u0131k\u0131p kal\u0131c\u0131 bir d\u00fczene d\u00f6n\u00fc\u015f\u00fcyor.<\/p>\n
\u00a0<\/p>\n
Science Advances dergisinde yay\u0131mlanan ara\u015ft\u0131rma, 70 y\u0131l\u0131 a\u015fk\u0131n iklim verisini analiz ederek Arktik\u2019te (Kuzey Kutup B\u00f6lgesi) yeni bir a\u015f\u0131r\u0131 hava rejiminin ba\u015flad\u0131\u011f\u0131n\u0131 ortaya koydu. \u00c7al\u0131\u015fmaya g\u00f6re \u00f6zellikle son 30 y\u0131lda, daha \u00f6nce hi\u00e7 a\u015f\u0131r\u0131 hava ya\u015famam\u0131\u015f b\u00f6lgelerde bile s\u0131cak hava dalgalar\u0131, kurakl\u0131k ve ola\u011fand\u0131\u015f\u0131 kar ko\u015fullar\u0131 g\u00f6r\u00fclmeye ba\u015fland\u0131.<\/p>\n
\u00a0<\/p>\n
\u201cDAHA \u00d6NCE H\u0130\u00c7 G\u00d6R\u00dcLMEM\u0130\u015e KO\u015eULLAR\u201d<\/strong><\/p>\n \u00a0<\/p>\n Sheffield \u00dcniversitesi\u2019nden ekolojist Prof. Gareth Phoenix, bulgular\u0131n ciddiyetini \u015fu ifadelerle \u00f6zetledi:<\/p>\n \u00a0<\/p>\n \u201cAra\u015ft\u0131rmam\u0131z, Arktik\u2019te a\u015f\u0131r\u0131 hava olaylar\u0131n\u0131n s\u0131kl\u0131\u011f\u0131n\u0131n keskin bi\u00e7imde artt\u0131\u011f\u0131n\u0131 g\u00f6steriyor. B\u00f6lgenin \u00fc\u00e7te birinde bu olaylar \u00e7ok yak\u0131n zamanda ortaya \u00e7\u0131kt\u0131. Bu, Arktik\u2019in daha \u00f6nce hi\u00e7 deneyimlemedi\u011fi yeni bir a\u015f\u0131r\u0131 hava \u00e7a\u011f\u0131na girdi\u011fi anlam\u0131na geliyor.\u201d<\/p>\n Ara\u015ft\u0131rmac\u0131lar, ayl\u0131k ortalamalara yans\u0131mayan k\u0131sa s\u00fcreli ama y\u0131k\u0131c\u0131 a\u015f\u0131r\u0131 olaylara \u00f6zellikle odakland\u0131. \u0130ncelenen veriler aras\u0131nda s\u0131cak hava dalgalar\u0131, kurakl\u0131k, kar \u00f6rt\u00fcs\u00fcndeki ani de\u011fi\u015fimler ve mevsimsellikteki bozulmalar yer ald\u0131.<\/p>\n \u00a0<\/p>\n BAZI B\u00d6LGELER DAHA \u00c7OK ETK\u0130LEN\u0130YOR<\/strong><\/p>\n \u00a0<\/p>\n Haritalama \u00e7al\u0131\u015fmalar\u0131, Orta Sibirya, Bat\u0131 \u0130skandinavya ve Gr\u00f6nland k\u0131y\u0131lar\u0131n\u0131n a\u015f\u0131r\u0131 hava olaylar\u0131ndan en fazla etkilenen \u201cs\u0131cak noktalar\u201d aras\u0131nda oldu\u011funu g\u00f6steriyor. Kanada Y\u00fcksek Arktik Tak\u0131madalar\u0131 da k\u0131r\u0131lan deniz buzlar\u0131 ve orman yang\u0131n\u0131 dumanlar\u0131yla dikkat \u00e7eken bir ba\u015fka risk b\u00f6lgesi olarak \u00f6ne \u00e7\u0131k\u0131yor.<\/p>\n \u00a0<\/p>\n Artan s\u0131cakl\u0131klarla birlikte daha s\u0131k g\u00f6r\u00fclen \u201ckar \u00fczerine ya\u011fmur\u201d olaylar\u0131, y\u00fczeyde buz tabakas\u0131 olu\u015fturarak besin kaynaklar\u0131n\u0131 kilitliyor. Bu durum, \u00f6zellikle likenle beslenen ren geyikleri gibi Arktik hayvanlar i\u00e7in hayati bir tehdit olu\u015fturuyor.<\/p>\n \u00a0<\/p>\n