{"id":2824,"date":"2014-11-02T23:12:43","date_gmt":"2014-11-02T21:12:43","guid":{"rendered":"http:\/\/akincilardergisi.com\/dergi\/?p=2824"},"modified":"2024-02-22T23:16:26","modified_gmt":"2024-02-22T20:16:26","slug":"2824-2","status":"publish","type":"post","link":"https:\/\/akincilardergisi.com\/tr\/2824-2\/","title":{"rendered":"K\u00fcresel \u0131s\u0131nma tehlikesi"},"content":{"rendered":"

BM \u0130klim Raporuna g\u00f6re k\u00fcresel \u0131s\u0131nma, deniz seviyesinin y\u00fckselmesi ve iklimsel de\u011fi\u015fiklikler s\u00fcrece<\/strong><\/p>\n

\u00a0BM \u0130klim Raporuna g\u00f6re k\u00fcresel \u0131s\u0131nma, deniz seviyesinin y\u00fckselmesi ve iklimsel de\u011fi\u015fiklikler s\u00fcrecek. T\u00fcm senaryolara g\u00f6re 21. y\u00fczy\u0131l boyunca y\u00fczey \u0131s\u0131nmas\u0131n\u0131n artaca\u011f\u0131 ve sera gaz\u0131 sal\u0131n\u0131m\u0131 hemen durdurulsa bile iklim de\u011fi\u015fikli\u011fi etkilerinin y\u00fczy\u0131llarca s\u00fcrece\u011fi belirtildi.<\/div>\n
\n

\u0130klim De\u011fi\u015fikli\u011fi H\u00fck\u00fcmetleraras\u0131 Panel’in 900 bilimadam\u0131n\u0131n 30 bin sayfal\u0131k \u00e7al\u0131\u015fmalar\u0131ndan olu\u015fturulan sentez 5. De\u011ferlendirme Raporu’nda, ya\u015fanan iklim de\u011fi\u015fikli\u011finin artarak ve geri d\u00f6nd\u00fcr\u00fclemez \u015fekilde devam etti\u011fi belirtilerek, etkiler ve de\u011fi\u015fimin yava\u015flamas\u0131 i\u00e7in yap\u0131lmas\u0131 gerekenler irdelendi.<\/p>\n

Raporda, g\u00f6zlenen de\u011fi\u015fiklikler, nedenleri, gelecekteki iklim de\u011fi\u015fiklikleri ve etkileri, uyum i\u00e7in izlenecek yol ve s\u00fcrd\u00fcr\u00fclebilir kalk\u0131nma gibi konulara yer verilirken k\u00fcresel \u0131s\u0131nmadaki insan etkisinin a\u00e7\u0131k ve net oldu\u011fu, insan kaynakl\u0131 sera gazlar\u0131 emisyonlar\u0131n\u0131n tarihteki en y\u00fcksek seviyede oldu\u011fu vurguland\u0131.<\/p>\n

1950’den beri g\u00f6zlenenlerin daha \u00f6nce olmam\u0131\u015f de\u011fi\u015fimler oldu\u011fu kaydedilen raporda, atmosfer ve okyanuslar\u0131n \u0131s\u0131nmakta oldu\u011fu, kar ya\u011f\u0131\u015f\u0131 ve buzul miktar\u0131n\u0131n d\u00fc\u015ft\u00fc\u011f\u00fc ve deniz seviyesinin kayda de\u011fer \u015fekilde y\u00fckseldi\u011fi belirtildi. Raporda, on y\u0131llar \u015feklindeki hesaplama dikkate al\u0131narak “Son 3 on y\u0131llar\u0131n her biri 1850’den bu yanaki t\u00fcm on y\u0131llardan daha s\u0131cak olmu\u015ftur. Kuzey yar\u0131m k\u00fcrede 1983-2012 aras\u0131ndaki 30 y\u0131ll\u0131k d\u00f6nem son 1400 y\u0131l\u0131n en s\u0131cak d\u00f6nemi oldu. 1880-2012 d\u00f6neminde k\u0131talar ve deniz y\u00fczeyleri birlikte de\u011ferlendirildi\u011finde ortalama 0.85 derecelik bir \u0131s\u0131nma art\u0131\u015f\u0131 g\u00f6r\u00fcl\u00fcyor” tespitlerine yer verildi.<\/p>\n

Okyanuslar\u0131n y\u00fczeyindeki 75 metrelik \u00fcst seviyenin 1971-2010 aras\u0131nda her 10 y\u0131lda ortalama 0.11 derece \u0131s\u0131nd\u0131\u011f\u0131, end\u00fcstri \u00e7a\u011f\u0131ndan bu yana okyanuslar\u0131n asitlendi\u011fi, kutuplardaki buzullar\u0131n hacim kaybetti\u011fi, Kuzey yar\u0131m k\u00fcrede ilkbahar d\u00f6nemindeki kar ya\u011f\u0131\u015f\u0131 d\u00fc\u015f\u00fc\u015f\u00fcn\u00fcn s\u00fcrd\u00fc\u011f\u00fc vurgulanan raporda, Antartika’da ise b\u00f6lgesel olarak baz\u0131 yerlerde buzullar\u0131n art\u0131\u015f\u0131 baz\u0131 yerlerde ise azald\u0131\u011f\u0131n\u0131n g\u00f6zlendi\u011fi a\u00e7\u0131kland\u0131.<\/p>\n

– Deniz seviyesi y\u00fckseliyor-<\/strong><\/p>\n

Raporda ayr\u0131ca 19. y\u00fczy\u0131l ortalar\u0131ndan itibaren meydana gelen deniz seviyesindeki y\u00fckselmenin son 2 bin y\u0131lda olandan \u00e7ok daha fazla oldu\u011fu ve 1901-2010 aras\u0131nda deniz seviyesi y\u00fckselmesinin 19 santimetreye ula\u015ft\u0131\u011f\u0131 bildirildi.<\/p>\n

\u0130nsan kaynakl\u0131 sera gazlar\u0131 sal\u0131m\u0131n\u0131, ekonomi ve n\u00fcfus yo\u011funlu\u011fundan kaynakl\u0131 olarak end\u00fcstri \u00e7a\u011f\u0131 \u00f6ncesinden artmakta oldu\u011fu ancak \u015fimdi hepsinden daha y\u00fcksek oldu\u011fu vurgulanan raporda, atmosferdeki karbondioksit, metan ve nitrikoksid birle\u015fiminin 800 bin y\u0131lda ya\u015fanmam\u0131\u015f d\u00fczeyde oldu\u011fu kaydedildi.<\/p>\n

-Gelecekteki riskler-<\/strong><\/p>\n

Raporda, s\u00fcren sera gazlar\u0131 sal\u0131m\u0131n\u0131n iklimin t\u00fcm bile\u015fenlerinde daha ileri d\u00fczeyde \u0131s\u0131nma ve uzun s\u00fcreli de\u011fi\u015fikliklere neden olaca\u011f\u0131, geri d\u00f6n\u00fc\u015f\u00fc olmayan etkileri olaca\u011f\u0131, iklim de\u011fi\u015fikli\u011fini yava\u015flatmak i\u00e7in gaz sal\u0131n\u0131mlar\u0131n\u0131n s\u00fcrekli ve sa\u011flam bir \u015fekilde d\u00fc\u015f\u00fcr\u00fclmesini gerekti\u011finin alt\u0131 \u00e7izildi.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

BM \u0130klim Raporuna g\u00f6re k\u00fcresel \u0131s\u0131nma, deniz seviyesinin y\u00fckselmesi ve iklimsel de\u011fi\u015fiklikler s\u00fcrece \u00a0BM \u0130klim Raporuna g\u00f6re k\u00fcresel \u0131s\u0131nma, deniz seviyesinin y\u00fckselmesi ve iklimsel de\u011fi\u015fiklikler s\u00fcrecek. T\u00fcm senaryolara g\u00f6re 21. y\u00fczy\u0131l boyunca y\u00fczey \u0131s\u0131nmas\u0131n\u0131n artaca\u011f\u0131 ve sera gaz\u0131 sal\u0131n\u0131m\u0131 hemen durdurulsa bile iklim de\u011fi\u015fikli\u011fi etkilerinin y\u00fczy\u0131llarca s\u00fcrece\u011fi belirtildi. \u0130klim De\u011fi\u015fikli\u011fi H\u00fck\u00fcmetleraras\u0131 Panel’in 900 bilimadam\u0131n\u0131n 30 …<\/p>\n","protected":false},"author":31,"featured_media":48521,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_themeisle_gutenberg_block_has_review":false,"_joinchat":[],"footnotes":""},"categories":[60,38],"tags":[],"class_list":["post-2824","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-cevre","category-guncel"],"_links":{"self":[{"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/posts\/2824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/comments?post=2824"}],"version-history":[{"count":0,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/posts\/2824\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/media\/48521"}],"wp:attachment":[{"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/media?parent=2824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/categories?post=2824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/akincilardergisi.com\/tr\/wp-json\/wp\/v2\/tags?post=2824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}