{"id":117038,"date":"2020-07-15T18:34:32","date_gmt":"2020-07-15T15:34:32","guid":{"rendered":"https:\/\/www.enerjigazetesi.ist\/?p=117038"},"modified":"2020-07-15T20:02:51","modified_gmt":"2020-07-15T17:02:51","slug":"tebrikler-kuresel-metan-gazi-emisyonlarini-en-yuksek-seviyeye-ulastirdik","status":"publish","type":"post","link":"https:\/\/www.enerjigazetesi.ist\/en\/tebrikler-kuresel-metan-gazi-emisyonlarini-en-yuksek-seviyeye-ulastirdik\/","title":{"rendered":"(Turkish) Tebrikler… K\u00fcresel Metan Gaz\u0131 Emisyonlar\u0131n\u0131 En Y\u00fcksek Seviyeye Ula\u015ft\u0131rd\u0131k!"},"content":{"rendered":"

Sorry, this entry is only available in Turkish<\/a>. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

<\/p>\n

Earth System Science Data\u00a0(ESSD) ve Environmental Research Letters (ERL) adl\u0131 bilimsel dergilerde yay\u0131mlanan iki makale, k\u00fcresel metan emisyonlar\u0131n\u0131n \u015fimdiye kadar kayda ge\u00e7en en y\u00fcksek seviyelere ula\u015ft\u0131\u011f\u0131n\u0131 g\u00f6steriyor ve bu gidi\u015fat\u0131n en son yay\u0131mlanan IPCC raporundaki k\u00f6t\u00fcmser senaryoya yak\u0131n seyretti\u011fini ortaya koyuyor.<\/h1>\n

Her iki makaleye de katk\u0131 koyan K\u00fcresel Karbon Projesi<\/strong>\u2019nde g\u00f6revli ara\u015ft\u0131rmac\u0131lar, 2000-2017 y\u0131llar\u0131<\/strong> aras\u0131ndaki metan seviyelerinin, bu y\u00fczy\u0131l\u0131n sonuna<\/strong> kadar 3-4 \u2103<\/strong> \u0131s\u0131nmaya yol a\u00e7abilecek bir e\u011filimde oldu\u011funu ortaya koyuyor.<\/p>\n

\"\"Yay\u0131mlanan \u00e7al\u0131\u015fmaya g\u00f6re, y\u0131ll\u0131k metan emisyonlar\u0131<\/strong>, 2000’li y\u0131llar\u0131n<\/strong> ba\u015f\u0131ndan itibaren % 9<\/strong> artt\u0131. Is\u0131nma potansiyeli a\u00e7\u0131s\u0131ndan bu de\u011fer, trafi\u011fe 350 milyon adet araba<\/strong> eklenmesine veya Almanya<\/strong>\u2019n\u0131n ya da Fransa’n\u0131n<\/strong> toplam emisyonlar\u0131n\u0131n 2 kat\u0131na<\/strong> \u00e7\u0131kmas\u0131 anlam\u0131na geliyor.<\/p>\n

Yaln\u0131zca 2017\u2019de<\/strong> D\u00fcnyan\u0131n atmosferinde 600 milyon ton absorbe<\/strong> edilen metan gaz\u0131n\u0131n<\/strong> 100 y\u0131ll\u0131k bir s\u00fcre\u00e7te atmosferdeki \u0131s\u0131y\u0131 tutmada karbondioksitten 28 kat daha etkili<\/strong> oldu\u011fu g\u00f6r\u00fcl\u00fcyor. Makalenin ortaya koydu\u011funa g\u00f6re, t\u00fcm metan emisyonlar\u0131<\/strong>n\u0131n yar\u0131s\u0131ndan fazlas\u0131 insan faaliyetlerinden<\/strong> kaynaklan\u0131yor. Paris Anla\u015fmas\u0131<\/strong> hedeflerine uygun \u015fekilde tasarlanan sera gaz\u0131 senaryolar\u0131<\/strong>nda ise, ara\u015ft\u0131rmada tespit edilen oranda art\u0131\u015f beklenmiyordu. Raporda, metan emisyonlar\u0131n\u0131n bu oranda artmaya devam etti\u011fi durumda, Paris Anla\u015fmas\u0131<\/strong>‘n\u0131n hedeflerine ula\u015fman\u0131n \u00e7ok zor olaca\u011f\u0131 da<\/strong> vurgulan\u0131yor.<\/p>\n

K\u00fcresel \u00f6l\u00e7ekte<\/strong> metan seviyelerindeki art\u0131\u015f\u0131n temel nedeni ise fosil yak\u0131t kullan\u0131m\u0131<\/strong> ve b\u00fcy\u00fckba\u015f hayvanc\u0131l\u0131\u011f\u0131<\/strong>.<\/p>\n

CSIRO<\/strong>\u2019da (Commonwealth Scientific and Industrial Research Organisation)<\/em><\/strong> \u00e7al\u0131\u015fan ve K\u00fcresel Karbon Projesi\u2019nde de yer alan Pep Canadell<\/strong> \u201cMetan, sera gazlar\u0131<\/strong> nedeniyle ya\u015fanan k\u00fcresel \u0131s\u0131nma<\/strong>n\u0131n %23<\/strong>‘\u00fcnden sorumlu. Asya<\/strong> ile G\u00fcney<\/strong> ve Kuzey Amerika<\/strong>‘n\u0131n bir\u00e7ok b\u00f6lgesinde metan emisyonlar\u0131 h\u0131zla art\u0131yor. Bu art\u0131\u015f\u0131n temel nedeni tar\u0131m\u0131n<\/strong> ve hayvanc\u0131l\u0131\u011f\u0131n geni\u015flemesi<\/strong> ve yo\u011funla\u015fmas\u0131 ile G\u00fcney ve G\u00fcneydo\u011fu Asya<\/strong> ile \u00c7in’de fosil yak\u0131t kullan\u0131m\u0131<\/strong>n\u0131n artmas\u0131. Kuzey Amerika\u2019<\/strong>da, emisyon art\u0131\u015f\u0131n\u0131n fosil yak\u0131t kullan\u0131m\u0131<\/strong>ndan kaynakland\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcyoruz\u201d<\/em> diyor.<\/p>\n

Avrupa<\/strong>, emisyonlar\u0131n azald\u0131\u011f\u0131<\/strong> tek k\u0131ta olarak g\u00f6r\u00fcn\u00fcyor.\u00a0ESSD makalesi<\/strong>nin ba\u015f yazar\u0131<\/strong> olan ve Versay Saint-Quentin \u00dcniversitesi<\/strong>\u2019nde \u00e7al\u0131\u015fan Marielle Saunois<\/strong>\u00a0\u201cAvrupa’da, uygulanan politikalar ve etkin y\u00f6netim sayesinde d\u00fczenli depolama, g\u00fcbre ve di\u011fer kaynaklardan sal\u0131nan emisyonlar<\/strong> azald\u0131. \u0130nsanlar ayr\u0131ca daha az et yiyor, bunun yerine tavuk ile bal\u0131k t\u00fcketimini art\u0131r\u0131yor\u201d<\/em> diyor.<\/p>\n

NASA Goddard Uzay U\u00e7u\u015f Merkezi\u2019<\/strong>nden Ben Poulter<\/strong>\u00a0\u201cMetan art\u0131\u015f\u0131na kar\u015f\u0131 fosil yak\u0131tlardan<\/strong> ve tar\u0131mdan<\/strong> kaynaklanan emisyonlar\u0131 azaltmak<\/strong> gerekiyor. Bunun yan\u0131 s\u0131ra sulak alan restorasyonu gibi acil etki azaltma se\u00e7enekleri<\/strong>nin y\u00fcr\u00fcrl\u00fc\u011fe konmas\u0131 gerekiyor. Metan\u0131n atmosferde k\u0131sa s\u00fcre kalabilmesi nedeniyle metan emisyonlar\u0131n\u0131n azalt\u0131lmas\u0131<\/strong>n\u0131n iklim \u00fczerindeki faydalar\u0131n\u0131 h\u0131zla g\u00f6rece\u011fiz. Metan emisyonlar\u0131n\u0131n azalt\u0131lmas\u0131<\/strong> ayn\u0131 zamanda net s\u0131f\u0131r emisyon hedefi<\/strong>ne hizmet ediyor\u201d<\/em> diyor.<\/p>\n

ERL makalesinin ba\u015f yazar\u0131 Rob Jackson<\/strong>, \u201cDaha az et yememiz, k\u0131rm\u0131z\u0131 et ve pirin\u00e7 tar\u0131m\u0131ndan kaynaklanan emisyonlar\u0131 azaltmam\u0131z, arabalar\u0131m\u0131zda ve evlerimizde kulland\u0131\u011f\u0131m\u0131z petrol ve do\u011falgaz\u0131<\/strong> alternatif enerji kaynaklar\u0131<\/strong>yla de\u011fi\u015ftirmemiz gerekecek\u201d<\/em> diyor.<\/p>\n

K\u00fcresel Karbon Projesi (Global Carbon Project)<\/strong> metan emisyonlar\u0131na dair en kapsaml\u0131 k\u00fcresel de\u011ferlendirmeyi i\u00e7eren metan emisyonlar\u0131 de\u011ferlendirme raporu<\/strong>nu yay\u0131nlad\u0131. Rapor, metan gaz\u0131n\u0131n art\u0131\u015f miktar\u0131<\/strong>n\u0131, hangi b\u00f6lgelerde sal\u0131nd\u0131\u011f\u0131n\u0131 ve hangi end\u00fcstriler taraf\u0131ndan ortaya \u00e7\u0131kt\u0131\u011f\u0131n\u0131 de\u011ferlendiriyor. Ulusal Katk\u0131 Beyanlar\u0131<\/strong>\u2019nda sunulan metan gaz\u0131 emisyonlar\u0131<\/strong>, karbon emisyonlar\u0131<\/strong>yla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, IPCC senaryolar\u0131<\/strong>nda belirtilenlerden \u00e7ok daha h\u0131zl\u0131 y\u00fckseliyor. Bu art\u0131\u015f y\u00fczy\u0131l\u0131n sonuna gelindi\u011finde gezegenin s\u0131cakl\u0131\u011f\u0131nda 3-4 \u2103 y\u00fckseli\u015fe<\/strong> sebep olabilir. Toplam metan emisyonlar\u0131<\/strong>n\u0131n yar\u0131s\u0131ndan fazlas\u0131 insan faaliyetlerinden kaynaklan\u0131yor. Fosil yak\u0131tlar<\/strong> ve tar\u0131m<\/strong>, insan kaynakl\u0131 metan emisyonlar\u0131<\/strong>ndan b\u00fcy\u00fck \u00f6l\u00e7\u00fcde sorumlu. Kuzey Kutbu<\/strong>‘ndaki erimenin, donmu\u015f topra\u011f\u0131n (permafrost) \u00e7\u00f6z\u00fclmesi<\/strong>ne yol a\u00e7arak b\u00fcy\u00fck \u00f6l\u00e7ekte metan\u0131n<\/strong> ortaya \u00e7\u0131kmas\u0131 endi\u015fesi konusunda ara\u015ft\u0131rmac\u0131lar, en az\u0131ndan 2017 y\u0131l\u0131na kadar\u00a0<\/strong>– Kuzey Kutbu<\/strong>‘nda metan emisyonu<\/strong>nun art\u0131\u015f\u0131na dair herhangi bir kan\u0131t bulamad\u0131lar. Bunun ger\u00e7ekle\u015fmemi\u015f olmas\u0131, gelecekte olmayaca\u011f\u0131 anlam\u0131na gelmiyor, yaln\u0131zca hen\u00fcz ger\u00e7ekle\u015fmedi\u011fine<\/strong> i\u015faret ediyor.<\/p>\n

Stanford \u00dcniversitesi<\/strong>‘nin bug\u00fcn yay\u0131mlad\u0131\u011f\u0131 b\u00fcltene Ula\u015fmak \u0130\u00e7in TIKLAYIN>>><\/a><\/p>","protected":false},"excerpt":{"rendered":"

Sorry, this entry is only available in Turkish. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. Earth System Science Data\u00a0(ESSD) ve Environmental Research Letters (ERL) adl\u0131 bilimsel dergilerde yay\u0131mlanan iki makale, k\u00fcresel metan emisyonlar\u0131n\u0131n \u015fimdiye kadar kayda ge\u00e7en […]<\/p>\n","protected":false},"author":1,"featured_media":117040,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[51,53,52],"tags":[1559,75981,75990,75977,75988,26559,75989,75987,41819,4578,11933,27328,75984,18799,75980,75975,75985,75982,4906,27427,75978,75983,75976,47380,41693,57125,37032,75986,793,75979],"views":237,"_links":{"self":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/posts\/117038"}],"collection":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/comments?post=117038"}],"version-history":[{"count":0,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/posts\/117038\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/media\/117040"}],"wp:attachment":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/media?parent=117038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/categories?post=117038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/tags?post=117038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}