{"id":69182,"date":"2024-12-31T00:32:17","date_gmt":"2024-12-30T23:32:17","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=69182"},"modified":"2024-12-30T12:16:15","modified_gmt":"2024-12-30T11:16:15","slug":"vedecky-sok-co%e2%82%82-je-dobre-pro-planetu-naznacuji-recenzovane-studie","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2024\/12\/31\/vedecky-sok-co%e2%82%82-je-dobre-pro-planetu-naznacuji-recenzovane-studie\/","title":{"rendered":"V\u011bdeck\u00fd \u0161ok: CO\u2082 je dobr\u00e9 pro planetu, nazna\u010duj\u00ed recenzovan\u00e9 studie"},"content":{"rendered":"
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\u0158ada nov\u00fdch v\u011bdeck\u00fdch studi\u00ed p\u0159edkl\u00e1d\u00e1 dramatick\u00fd d\u016fkaz, \u017ee hladiny oxidu uhli\u010dit\u00e9ho v atmosf\u00e9\u0159e jsou ji\u017e \u201enasycen\u00e9\u201c. To znamen\u00e1, \u017ee se o\u010dek\u00e1v\u00e1 mal\u00e9 nebo \u017e\u00e1dn\u00e9 dal\u0161\u00ed oteplov\u00e1n\u00ed, zat\u00edmco rostouc\u00ed hladiny CO\u2082 jsou st\u00e1le v\u00edce pova\u017eov\u00e1ny za prosp\u011b\u0161n\u00e9.<\/span><\/p>\n

Podle v\u011bdc\u016f je polovina lidsk\u00fdch emis\u00ed rychle absorbov\u00e1na do biosf\u00e9ry, co\u017e m\u00e1 za n\u00e1sledek energick\u00fd r\u016fst rostlin zp\u016fsobuj\u00edc\u00ed hlad. Zbytek kon\u010d\u00ed v \u201enasycen\u00e9\u201c atmosf\u00e9\u0159e, kde m\u00e1 minim\u00e1ln\u00ed vliv na glob\u00e1ln\u00ed teploty. Jedna ze studi\u00ed, kter\u00e1 uzn\u00e1v\u00e1 roli lid\u00ed ve zvy\u0161ov\u00e1n\u00ed CO\u2082, byla publikov\u00e1na CO\u2082 Coalition, kter\u00e1 uv\u00e1d\u00ed: \u201eM\u00e1me r\u00e1di CO\u2082, vy byste m\u011bli tak\u00e9.\u201c<\/span><\/p>\n

Skryt\u00e9 v\u00fdsledky v\u00fdzkumu<\/span>
\n<\/span><\/strong>
\nTato pr\u00e1ce si \u0161irok\u00e1 ve\u0159ejnost t\u00e9m\u011b\u0159 nev\u0161imne, proto\u017ee zpochyb\u0148uje konven\u010dn\u00ed klimatickou v\u011bdu a politicky motivovanou strategii \u010dist\u00e9 nuly. P\u0159edpoklad, \u017ee lid\u00e9 ovl\u00e1daj\u00ed klimatick\u00fd termostat prost\u0159ednictv\u00edm emis\u00ed CO\u2082, popisuj\u00ed kritici jako poz\u016fstatek \u00e9ry, kdy byla v\u011bda vyu\u017e\u00edv\u00e1na k prosazov\u00e1n\u00ed politick\u00fdch program\u016f. Skepti\u010dt\u00ed v\u011bdci pokra\u010duj\u00ed ve studiu komplexn\u00edch interakc\u00ed plyn\u016f s oteplovac\u00edmi vlastnostmi v chaotick\u00e9, neline\u00e1rn\u00ed atmosf\u00e9\u0159e. Dv\u011b ned\u00e1vno publikovan\u00e9 studie ukazuj\u00ed, \u017ee zdvojn\u00e1soben\u00ed hladiny CO\u2082 vede pouze k minim\u00e1ln\u00edmu zv\u00fd\u0161en\u00ed teploty. Tyto v\u00fdsledky jsou v mez\u00edch chyb a na z\u00e1klad\u011b p\u0159edchoz\u00edch pozorov\u00e1n\u00ed nep\u0159edstavuj\u00ed hrozbu pro glob\u00e1ln\u00ed klima. Podkop\u00e1vaj\u00ed v\u011bdeck\u00fd z\u00e1klad politiky \u010dist\u00e9 nuly.<\/span><\/p>\n

Zji\u0161t\u011bn\u00ed mezin\u00e1rodn\u00edch v\u00fdzkumn\u00edk\u016f<\/span>
\n<\/span><\/strong>
\nStudie veden\u00e1 profesorem Peng-Sheng Wei z Tchaj-wanu zjistila, \u017ee klimatick\u00e1 citlivost na zv\u00fd\u0161en\u00ed CO\u2082 ze 100 na 400 ppm je pouh\u00fdch 0,3 \u00b0C. Studie, kter\u00e1 se zam\u011b\u0159uje na \u00fazk\u00e9 absorp\u010dn\u00ed p\u00e1sy v infra\u010derven\u00e9m spektru, potvrzuje hypot\u00e9zu saturace. To znamen\u00e1, \u017ee nad ur\u010ditou \u00farovn\u00ed plyny z velk\u00e9 \u010d\u00e1sti ztr\u00e1cej\u00ed sv\u00e9 oh\u0159\u00edvac\u00ed vlastnosti. Tento efekt ilustruje srovn\u00e1n\u00ed se zdvojen\u00edm izolace podkrov\u00ed, kter\u00e1 nezachyt\u00ed dvakr\u00e1t tolik tepla. Hypot\u00e9za nasycen\u00ed tak\u00e9 vysv\u011btluje, pro\u010d p\u0159edchoz\u00ed \u00farovn\u011b CO\u2082 byly a\u017e 15kr\u00e1t vy\u0161\u0161\u00ed, ani\u017e by do\u0161lo k dramatick\u00e9mu n\u00e1r\u016fstu teplot. Rakou\u0161t\u00ed v\u011bdci tak\u00e9 dosp\u011bli k z\u00e1v\u011bru, \u017ee budouc\u00ed zdvojn\u00e1soben\u00ed \u00farovn\u00ed CO\u2082 na 800 ppm by nezp\u016fsobilo dal\u0161\u00ed absorpci infra\u010derven\u00e9ho z\u00e1\u0159en\u00ed a nezp\u016fsobilo by oteplen\u00ed o v\u00edce ne\u017e 0,5 \u00b0C.<\/span><\/p>\n

Polsk\u00e1 a kanadsk\u00e1 studia<\/span>
\n<\/span><\/strong>
\nPol\u0161t\u00ed badatel\u00e9 pod veden\u00edm Dr. Jan Kubicki tvrd\u00ed, \u017ee CO\u2082 nad 400 ppm nezp\u016fsobuje dal\u0161\u00ed zv\u00fd\u0161en\u00ed teploty. Kanadsk\u00e1 studie z roku 2023 potvrzuje, \u017ee absorpce ve st\u0159edu p\u00e1sma CO\u2082 je nasycen\u00e1, a proto nevykazuje \u017e\u00e1dn\u00fd dal\u0161\u00ed oteplovac\u00ed efekt. N\u011bme\u010dt\u00ed v\u011bdci jako profesor Dieter Schildnecht stanovili hodnotu saturace na 300 ppm.<\/span><\/p>\n

Ekologick\u00fd efekt prost\u0159ednictv\u00edm CO\u2082<\/span>
\n<\/span><\/strong>
\nCO\u2082 v\u00fdznamn\u011b p\u0159isp\u00edv\u00e1 ke glob\u00e1ln\u00ed ekologizaci. Charles Taylor a Wolfram Schlenker ukazuj\u00ed, \u017ee zv\u00fd\u0161en\u00ed o 1 ppm CO\u2082 zvy\u0161uje v\u00fdnosy kuku\u0159ice, s\u00f3ji a p\u0161enice o 0,4 %, 0,6 % a 1 %. Koalice CO\u2082 zve\u0159ejnila satelitn\u00ed data ukazuj\u00edc\u00ed 20-30% n\u00e1r\u016fst zelen\u00e9ho pokryvu mezi lety 1982 a 2012 v oblastech jako Indie, Z\u00e1padn\u00ed Austr\u00e1lie a Sahel. Ned\u00e1vn\u00fd v\u00fdzkum potvrzuje, \u017ee tento trend se v posledn\u00edch dvou desetilet\u00edch skute\u010dn\u011b zrychlil. N\u00e1r\u016fst CO\u2082 se uk\u00e1zal b\u00fdt hlavn\u00ed p\u0159\u00ed\u010dinou pozitivn\u00edho trendu indexu listov\u00e9 plochy.<\/span><\/p>\n

Z\u00e1v\u011br<\/span>
\n<\/span><\/strong>
\nTyto studie nazna\u010duj\u00ed, \u017ee CO\u2082 by nem\u011blo b\u00fdt vn\u00edm\u00e1no pouze jako hrozba, ale tak\u00e9 jako hnac\u00ed s\u00edla pozitivn\u00edho v\u00fdvoje, jako je glob\u00e1ln\u00ed ekologizace. Z\u00e1rove\u0148 v\u00fdzkumn\u00edci po\u017eaduj\u00ed diferencovan\u00fd pohled na klimatick\u00e9 modely a v\u00edce experiment\u00e1ln\u00edch d\u016fkaz\u016f, aby zpochybnili jednostrann\u00e9 teorie o sklen\u00edkov\u00fdch plynech.<\/span><\/p>\n

Chris Morrison<\/strong> je editorem \u017eivotn\u00edho prost\u0159ed\u00ed v\u00a0<\/span>Daily Skeptic<\/span><\/em>\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n

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Zdroj<\/a><\/span><\/h3>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u0158ada nov\u00fdch v\u011bdeck\u00fdch studi\u00ed p\u0159edkl\u00e1d\u00e1 dramatick\u00fd d\u016fkaz, \u017ee hladiny oxidu uhli\u010dit\u00e9ho v atmosf\u00e9\u0159e jsou ji\u017e…<\/p>\n","protected":false},"author":2,"featured_media":68383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2692,873,65,839],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/69182"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=69182"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/69182\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/68383"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=69182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=69182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=69182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}