{"id":145291,"date":"2021-11-05T11:57:04","date_gmt":"2021-11-05T08:57:04","guid":{"rendered":"https:\/\/www.enerjigazetesi.ist\/?p=145291"},"modified":"2021-11-05T11:59:22","modified_gmt":"2021-11-05T08:59:22","slug":"emisyonlar-pandemi-oncesi-seviyesini-gordu","status":"publish","type":"post","link":"https:\/\/www.enerjigazetesi.ist\/en\/emisyonlar-pandemi-oncesi-seviyesini-gordu\/","title":{"rendered":"(Turkish) Emisyonlar Pandemi \u00d6ncesi Seviyesini G\u00f6rd\u00fc"},"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

Fosil yak\u0131t kaynakl\u0131 karbon emisyonlar\u0131, 2020 y\u0131l\u0131nda COVID-19 salg\u0131n\u0131 nedeniyle uygulanan k\u0131s\u0131tlamalar nedeniyle %5,4 geriledi. Ancak K\u00fcresel Karbon Projesi taraf\u0131ndan yay\u0131nlanan yeni rapor, emisyonlar\u0131n bu y\u0131l sonuna kadar %4,9 art\u0131\u015f g\u00f6stererek (%4,1 ile %5,7) 36,4 milyar tona ula\u015faca\u011f\u0131n\u0131 \u00f6ng\u00f6r\u00fcyor. 2021 y\u0131l\u0131nda k\u00f6m\u00fcr ve do\u011falgaz t\u00fcketiminin, 2020’de ger\u00e7ekle\u015fen d\u00fc\u015f\u00fc\u015f miktar\u0131ndan daha fazla art\u0131\u015f g\u00f6stermesi, petrol t\u00fcketiminin ise 2019 seviyesinin alt\u0131nda kalmas\u0131 bekleniyor.<\/h2>\n

D\u00fcnyan\u0131n en y\u00fcksek emisyonlar\u0131na sahip \u00fclkelerinden Amerika Birle\u015fik Devletleri<\/strong> ve Avrupa Birli\u011fi<\/strong>\u2019nin 2021 y\u0131l\u0131nda atmosfere sald\u0131\u011f\u0131 emisyonlar\u0131n, k\u00fcresel salg\u0131n<\/strong> \u00f6ncesindeki d\u00fc\u015f\u00fc\u015f e\u011filimine d\u00f6nerken, \"\"Hindistan\u2019\u0131n CO2 emisyonlar\u0131nda art\u0131\u015f g\u00f6r\u00fcl\u00fcyor. \u00c7in\u2019in COVID-19 salg\u0131n\u0131<\/strong> s\u00fcrecinde enerji ve sanayi sekt\u00f6rlerinde uygulad\u0131\u011f\u0131 politikalar, CO2 emisyonlar\u0131<\/strong>nda art\u0131\u015f ya\u015fanmas\u0131yla sonu\u00e7lan\u0131yor.<\/p>\n

Exeter \u00dcniversitesi, Do\u011fu Anglia \u00dcniversitesi (University of East Anglia, UEA<\/em>), CICERO Enstit\u00fcs\u00fc ve Stanford \u00dcniversitesi\u2019ndeki ara\u015ft\u0131rmac\u0131lar\u0131 bir araya getiren ekip, karayolu ta\u015f\u0131mac\u0131l\u0131\u011f\u0131<\/strong> ve havac\u0131l\u0131\u011f\u0131n<\/strong> pandemi \u00f6ncesi seviyelerine ula\u015fmas\u0131 ve k\u00f6m\u00fcr kullan\u0131m\u0131n\u0131n sabit kalmas\u0131 durumunda, 2022 y\u0131l\u0131nda emisyon art\u0131\u015f\u0131n\u0131n daha fazla olmas\u0131 ihtimalinin g\u00f6z ard\u0131 edilemeyece\u011fini ortaya koyuyor.<\/p>\n

Bulgular, d\u00fcnya liderlerinin iklim krizini ele almak<\/strong> ve gelece\u011fe d\u00f6n\u00fck eylem planlar\u0131<\/strong> \u00fczerinde uzla\u015f\u0131ya varmak \u00fczere Glasgow’da<\/strong> bir araya geldikleri 26. Taraflar Toplant\u0131s\u0131<\/strong>\u2019n\u0131nda (COP26) kamuoyuyla payla\u015f\u0131ld\u0131.<\/p>\n

Ara\u015ft\u0131rmaya liderlik eden Exeter \u00dcniversitesi K\u00fcresel Sistemler Enstit\u00fcs\u00fc’nden,\u00a0 Prof. Pierre Friedlingstein,<\/strong> “Ekonomilerinin salg\u0131n\u0131n etkilerinden toparland\u0131\u011f\u0131 s\u00fcre\u00e7te emisyonlar\u0131n h\u0131zla artmas\u0131, k\u00fcresel \u00f6l\u00e7ekte iklim de\u011fi\u015fikli\u011fiyle acilen harekete ge\u00e7memize y\u00f6nelik ihtiyac\u0131n \u00f6nemini bir kez daha g\u00f6steriyor\u201d<\/em> diyor.<\/p>\n

Prof. Pierre Friedlingstein<\/strong>, “2021’de k\u00fcresel \u00f6l\u00e7ekte fosil yak\u0131t kaynakl\u0131 CO2 emisyonlar\u0131ndaki toparlanma, pandemi \u00f6ncesindeki fosil yak\u0131tlara dayal\u0131 ekonomiye d\u00f6nd\u00fc\u011f\u00fcm\u00fcze i\u015faret ediyor. Baz\u0131 \u00fclkelerin salg\u0131n sonras\u0131ndaki ekonomik toparlanma planlar\u0131nda ye\u015fil ekonomiye y\u00f6nelik ger\u00e7ekle\u015ftirdikleri yat\u0131r\u0131mlar\u0131n, salg\u0131n \u00f6ncesi emisyon seviyesine ula\u015fmay\u0131 engellemek a\u00e7\u0131s\u0131ndan kendi ba\u015flar\u0131na yetersiz kald\u0131\u011f\u0131 g\u00f6r\u00fcl\u00fcyor”<\/em> diyor.<\/p>\n

Analize katk\u0131 sunan UEA \u00c7evre Bilimleri Fak\u00fcltesi\u2019nden Prof. Corinne Le Qu\u00e9r\u00e9, <\/strong>\u201cCOVID-19\u2019un yaratt\u0131\u011f\u0131 olumsuz etkinin k\u00fcresel CO2 emisyonlar\u0131 \u00fczerindeki yans\u0131mas\u0131n\u0131 anlamam\u0131z biraz zaman alacak. 2015<\/strong> y\u0131l\u0131nda Paris Anla\u015fmas\u0131<\/strong>‘n\u0131n kabul edilmesinden bu yana, k\u00fcresel \u00f6l\u00e7ekte enerjinin karbondan ar\u0131nd\u0131r\u0131lmas\u0131nda olduk\u00e7a fazla ilerleme kaydedildi. Ayn\u0131 zamanda salg\u0131n esnas\u0131nda b\u00fcy\u00fcmeye devam eden yeg\u00e2ne enerji kayna\u011f\u0131 yenilenebilir enerji<\/strong> oldu. Art\u0131k, yeni yat\u0131r\u0131mlar\u0131n<\/strong> ve g\u00fc\u00e7l\u00fc iklim politikalar\u0131n\u0131n<\/strong> ye\u015fil ekonomiyi daha sistematik \u015fekilde desteklemesi<\/strong> ve fosil yak\u0131tlar\u0131 denklemin d\u0131\u015f\u0131nda b\u0131rakmas\u0131<\/strong> gerekiyor\u201d diyor.<\/p>\n

Bu y\u0131l 16.\u2019s\u0131 yay\u0131nlanan K\u00fcresel Karbon B\u00fct\u00e7esi Y\u0131ll\u0131k Raporu, emisyon \u00fcretiminden sorumlu ba\u015fl\u0131ca \u00fclkeler i\u00e7in a\u015fa\u011f\u0131daki analizleri sunuyor (a\u015fa\u011f\u0131da sunulan de\u011ferler uluslararas\u0131 ta\u015f\u0131mac\u0131l\u0131k, \u00f6zellikle havac\u0131l\u0131k sekt\u00f6r\u00fcn\u00fcn emisyonlar\u0131n\u0131 kapsam\u0131yor):<\/span><\/strong><\/h3>\n

– \u00c7in:<\/strong> Emisyonlar\u0131n 2020’ye k\u0131yasla %4 artarak, 2019 y\u0131l\u0131 emisyonlar\u0131ndan %5,5 daha fazla ger\u00e7ekle\u015fmesi bekleniyor \u2013 toplam 11,1 milyar ton CO2<\/sub>, k\u00fcresel emisyonlar\u0131n %31’i.<\/p>\n

– ABD:<\/strong> Emisyonlar\u0131n 2020’ye k\u0131yasla %7,6 artarak, 2019 y\u0131l\u0131 emisyonlar\u0131ndan %3,7 daha az ger\u00e7ekle\u015fmesi bekleniyor \u2013 toplam 5,1 milyar ton CO2<\/sub>, k\u00fcresel emisyonlar\u0131n %14’\u00fc.<\/p>\n

– AB27:<\/strong> Emisyonlar\u0131n 2020’ye k\u0131yasla %7,6 artarak 2019 y\u0131l\u0131 emisyonlar\u0131ndan %4,2 daha az ger\u00e7ekle\u015fmesi bekleniyor \u2013 toplam 2,8 milyar ton CO2<\/sub>, k\u00fcresel emisyonlar\u0131n %7’si.<\/p>\n

– Hindistan:<\/strong> Emisyonlar\u0131n 2020’ye k\u0131yasla %12,6 artarak, 2019 y\u0131l\u0131 emisyonlar\u0131ndan %4,4 daha fazla ger\u00e7ekle\u015fmesi bekleniyor \u2013 toplam 2,7 milyar ton CO2<\/sub>, k\u00fcresel emisyonlar\u0131n %7’si.<\/p>\n

– D\u00fcnyan\u0131n geri kalan \u00fclkeleri bir arada ele al\u0131nd\u0131\u011f\u0131nda, fosil yak\u0131t kaynakl\u0131 CO2<\/sub> emisyonlar\u0131<\/strong>, 2019 seviyelerinin alt\u0131nda ger\u00e7ekle\u015fiyor.<\/p>\n

Ge\u00e7ti\u011fimiz 10 y\u0131lda, k\u00fcresel \u00f6l\u00e7ekte arazi kullan\u0131m\u0131 de\u011fi\u015fikli\u011finden kaynaklanan net CO2<\/sub> emisyonu<\/strong> 4,1 milyar ton olarak ger\u00e7ekle\u015fti. Ormans\u0131zla\u015fma ve di\u011fer arazi kullan\u0131m\u0131 de\u011fi\u015fiklikleri sonucunda 14,1 milyar ton CO2<\/sub> atmosfere sal\u0131nd\u0131<\/strong>. Ormanlar\u0131n ve topra\u011f\u0131n geri kazan\u0131m\u0131 sonucunda 9,9 milyar ton CO2<\/sub><\/strong> tutularak, bu emisyonlar\u0131n atmosfere yay\u0131lmas\u0131 engellenmi\u015f oldu. Son 20 y\u0131lda<\/strong> ormans\u0131zla\u015fma<\/strong> ve di\u011fer arazi kullan\u0131m\u0131<\/strong> de\u011fi\u015fikliklerinden kaynakl\u0131 emisyonlar nispeten sabit kald\u0131. Ormanlar\u0131n ve topra\u011f\u0131n tuttu\u011fu emisyonlar son 20 y\u0131lda<\/strong> art\u0131\u015f g\u00f6sterdi. Bu durum, bir\u00e7ok belirsizlikle birlikte, arazi kullan\u0131m\u0131ndaki de\u011fi\u015fimden kaynakl\u0131 net emisyonlar\u0131n yak\u0131n zamanda azald\u0131\u011f\u0131na i\u015faret ediyor.<\/p>\n

Fosil yak\u0131t kaynakl\u0131 CO2<\/sub> emisyonlar\u0131n\u0131n<\/strong> ve arazi kullan\u0131m de\u011fi\u015fikli\u011finden<\/strong> kaynaklanan net emisyonlar\u0131n toplanmas\u0131yla elde edilen toplam emisyon miktar\u0131, son 10 y\u0131lda<\/strong> ortalama 39,7 milyar ton<\/strong> CO2<\/sub><\/strong> olarak ger\u00e7ekle\u015ferek nispeten sabit kald\u0131.<\/p>\n

Elde edilen bulgular, atmosferdeki CO2 <\/sub>konsantrasyonu<\/strong>nun 2021 y\u0131l\u0131nda 2,0 ppm<\/strong> artaca\u011f\u0131n\u0131 ve ortalama 415 ppm<\/strong> olarak ger\u00e7ekle\u015fece\u011fini g\u00f6steriyor. Bu art\u0131\u015f\u0131n, 2021 y\u0131l\u0131nda<\/strong> olu\u015fan La Ni\u00f1a<\/strong>\u2019n\u0131n etkileri nedeniyle, son y\u0131llara k\u0131yasla daha s\u0131n\u0131rl\u0131 ger\u00e7ekle\u015fece\u011fi \u00f6ng\u00f6r\u00fcl\u00fcyor.<\/p>\n

K\u00fcresel \u0131s\u0131nmay\u0131 1,5\u00b0C, 1,7\u00b0C ve 2\u00b0C<\/strong> ile s\u0131n\u0131rland\u0131r\u0131lmas\u0131 olas\u0131l\u0131\u011f\u0131n\u0131n % 50<\/strong> olarak ger\u00e7ekle\u015febilmesi i\u00e7in ara\u015ft\u0131rmac\u0131lar, kalan “karbon b\u00fct\u00e7esinin”<\/strong> s\u0131ras\u0131yla 420 milyar ton, 770 milyar ton<\/strong> ve 1270 milyar ton<\/strong> oldu\u011funu tahmin ediyor. Belirtilen karbon b\u00fct\u00e7elerinin 2022’nin ba\u015f\u0131ndan itibaren 11, 20 ve 32 y\u0131l<\/strong> i\u00e7erisinde t\u00fckenmesi bekleniyor.<\/p>\n

Friedlingstein, “2050 y\u0131l\u0131na kadar net s\u0131f\u0131r CO2<\/sub> emisyon seviyesine ula\u015fmak i\u00e7in, k\u00fcresel \u00f6l\u00e7ekte CO2emisyonlar\u0131n\u0131 her y\u0131l ortalama 1,4 milyar ton azaltmak gerekiyor”<\/em> diyor.<\/p>\n

“Emisyonlar 2020<\/strong> y\u0131l\u0131nda 1,9 milyar ton<\/strong> azald\u0131. Bu nedenle, 2050 y\u0131l\u0131na kadar<\/strong> net s\u0131f\u0131r seviyesine ula\u015fmak i\u00e7in, emisyonlar\u0131n her y\u0131l pandemi esnas\u0131nda ger\u00e7ekle\u015fen d\u00fc\u015f\u00fc\u015f seviyesinde azaltmam\u0131z gerekiyor. Bu gereklilik, g\u00fcn\u00fcm\u00fczde at\u0131lmas\u0131 gereken ad\u0131mlar\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc, dolay\u0131s\u0131yla COP26 tart\u0131\u015fmalar\u0131<\/strong>n\u0131n \u00f6nemini vurguluyor” diyor.<\/p>\n

K\u00fcresel Karbon B\u00fct\u00e7esi Raporu<\/strong>\u2019nun y\u0131ll\u0131k g\u00fcncellemesi, tamamen \u015feffaf \u015fekilde, bilimsel metodolojiler kullan\u0131larak<\/em> ger\u00e7ekle\u015ftirildi. \u00d6n bask\u0131 olarak kamuoyuyla payla\u015f\u0131lan 2021 y\u0131l\u0131 g\u00fcncellemesi<\/strong>, Earth System Science Data<\/em> isimli bilimsel dergide inceleme s\u00fcrecinde bulunuyor.<\/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. Fosil yak\u0131t kaynakl\u0131 karbon emisyonlar\u0131, 2020 y\u0131l\u0131nda COVID-19 salg\u0131n\u0131 nedeniyle uygulanan k\u0131s\u0131tlamalar nedeniyle %5,4 geriledi. Ancak K\u00fcresel Karbon Projesi taraf\u0131ndan yay\u0131nlanan yeni […]<\/p>\n","protected":false},"author":1,"featured_media":145293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[51,53,52,44],"tags":[7181,98232,98231,27328,1314],"views":243,"_links":{"self":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/posts\/145291"}],"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=145291"}],"version-history":[{"count":0,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/posts\/145291\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/media\/145293"}],"wp:attachment":[{"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/media?parent=145291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/categories?post=145291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enerjigazetesi.ist\/en\/wp-json\/wp\/v2\/tags?post=145291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}