{"id":1641,"date":"2018-01-14T12:58:31","date_gmt":"2018-01-14T12:58:31","guid":{"rendered":"http:\/\/www.agust.net\/wordpress\/?p=1641"},"modified":"2019-11-24T15:46:11","modified_gmt":"2019-11-24T15:46:11","slug":"er-thad-hros-ad-vera-kalladur-efasemdarmadur","status":"publish","type":"post","link":"http:\/\/www.agust.net\/wordpress\/2018\/01\/14\/er-thad-hros-ad-vera-kalladur-efasemdarmadur\/","title":{"rendered":"Er \u00fea\u00f0 hr\u00f3s a\u00f0 vera kalla\u00f0ur efasemdarma\u00f0ur…?"},"content":{"rendered":"
\"\"Oft hefur s\u00e1 er \u00feessar l\u00ednur ritar veri\u00f0 kalla\u00f0ur efasemdarma\u00f0ur, fyrst og fremst vegna \u00feess a\u00f0 hann efast um a\u00f0 aukning koltv\u00eds\u00fdring (CO2<\/sub>) hafi valdi\u00f0 allri<\/em> h\u00e6kkun hita andr\u00famsloftsins s\u00ed\u00f0astli\u00f0in 150 \u00e1r, \u00fe.e. fr\u00e1 s\u00ed\u00f0ustu \u00e1ratugum Litlu \u00edsaldarinnar svok\u00f6llu\u00f0u. Sumir hafa jafnvel nota\u00f0 enn sterkari or\u00f0 eins og afneitunarsinni.\u00a0<\/strong><\/h6>\n

Fr\u00f3\u00f0legt er a\u00f0 sko\u00f0a hva\u00f0 liggur a\u00f0 baki sl\u00edkum fullyr\u00f0ingum. \u00cd \u00feessum pistli eru nokkrar \u00farklippur \u00far bloggs\u00ed\u00f0um og greinum sem skrifa\u00f0ar hafa veri\u00f0 allt fr\u00e1 \u00e1rinu 1998 til dagsins \u00ed dag. \u00darklippurnar eru nokkurn vegin \u00ed t\u00edmar\u00f6\u00f0 og eru af \u00feeim st\u00f6\u00f0um \u00fear sem fjalla\u00f0 er um \u00e1hrif koltv\u00eds\u00fdrings og n\u00e1tt\u00faru.<\/p>\n

\u00cd \u00f6llum \u00feessum greinum og bloggpistlum eru \u00e1hrif koltv\u00eds\u00fdrings talin vera \u00e1 bilinu “\u00feri\u00f0jungur” til “helmingur”.<\/em><\/span> Er \u00fe\u00e1 \u00e1tt vi\u00f0 \u00e1hrif \u00e1 hl\u00fdnun s\u00ed\u00f0astli\u00f0in 150 \u00e1r.\u00a0 Oft er teki\u00f0 fram a\u00f0 \u00feetta s\u00e9u ekki n\u00e1kv\u00e6mar t\u00f6lur, a\u00f0eins nokkurn vegin me\u00f0 miklum \u00f3vissum\u00f6rkum<\/em>.<\/strong><\/span><\/p>\n

M\u00e9r hefur \u00e6t\u00ed\u00f0 \u00fe\u00f3tt r\u00e9tt a\u00f0 \u00fatiloka ekki neinn \u00fe\u00e1tt, t.d. CO2, \u00fev\u00ed geri ma\u00f0ur sl\u00edkt er h\u00e6tt vi\u00f0 a\u00f0 ma\u00f0ur ver\u00f0i me\u00f0 ford\u00f3ma h\u00e6tti a\u00f0 hugsa.\u00a0 Hva\u00f0 hver \u00fe\u00e1ttur vegur miki\u00f0 m\u00e1 alltaf velta fyrir s\u00e9r og skipta um sko\u00f0un \u00feegar ma\u00f0ur \u00feykist vita eitthva\u00f0 betur.<\/span><\/p>\n

B\u00e6tt ver\u00f0ur vi\u00f0 \u00farklippum \u00feegar fleiri pistlar finnast \u00fear sem fjalla\u00f0 er um \u00feessi m\u00e1l. Af n\u00f3gu er a\u00f0 taka, sj\u00e1 h\u00e9r<\/a><\/strong>.<\/p>\n

\n

\u00darklippa \u00far vefs\u00ed\u00f0u fr\u00e1 \u00e1rinu 1998:<\/strong>
\n\"\"<\/h2>\n

\u00darklippan er \u00far vefs\u00ed\u00f0unni Er j\u00f6r\u00f0in a\u00f0 hitna – Ekki er allt sem s\u00fdnist<\/strong><\/a>. Vefs\u00ed\u00f0an var upphaflega skrifu\u00f0 \u00ed febr\u00faar 1998.\u00a0 Vefs\u00ed\u00f0an skiptist \u00ed 9 kafla, og er skj\u00e1skoti\u00f0 teki\u00f0 ne\u00f0arlega \u00e1 fyrstu s\u00ed\u00f0unni.
\nSamanteki\u00f0: CO2<\/sub> 42%, n\u00e1tt\u00faran 42%, \u00f3vissa 16%<\/p>\n

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\n

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\u00darklippa \u00far grein \u00ed Lesb\u00f3k Morgunbla\u00f0sins fr\u00e1 \u00e1rinu 1998:
\n<\/strong>\"\"\"\"<\/h2>\n

Greinina\u00a0 Gr\u00f3\u00f0urh\u00fasa\u00e1hrif e\u00f0a e\u00f0lilegar sveiflur \u00ed virkni s\u00f3lar?<\/strong> \u00ed Lesb\u00f3k Morgunbla\u00f0sins 20. j\u00fan\u00ed 1998 m\u00e1 finna \u00e1\u00a0 T\u00edmarit.is \u00e1 bla\u00f0s\u00ed\u00f0um 10 – 12.\u00a0 Sj\u00e1 h\u00e9r<\/a>.\u00a0 Sj\u00e1 einnig h\u00e9r<\/a>.<\/p>\n

Samanteki\u00f0: CO2<\/sub> 50%, s\u00f3lin 50%.<\/p>\n

\n
\n


\n\u00darklippa \u00far vefs\u00ed\u00f0u fr\u00e1 \u00e1rinu 2003:
\n\"\"<\/strong><\/h2>\n

\u00deessi vefs\u00ed\u00f0a kallast\u00a0\u00d6ldur aldanna.\u00a0 Sjaldan er ein b\u00e1ran st\u00f6k – einnig \u00ed ve\u00f0urfari?<\/strong><\/a> skrifu\u00f0 \u00e1ri\u00f0 2003 og fjallar eing\u00f6ngu um m\u00f6guleg \u00e1hrif s\u00f3lar.\u00a0 \u00a0“…Eins konar spennusaga sem fjallar ekki um gr\u00f3\u00f0urh\u00fasa\u00e1hrif”, stendur \u00e1 \u00farklippunni.
\nEngin afsta\u00f0a tekin tll \u00feess hve mikil \u00e1hrif s\u00f3lar e\u00f0a CO2<\/sub> eru.<\/p>\n

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\n
\n

\u00darklippa \u00far vefs\u00ed\u00f0u fr\u00e1 \u00e1rinu 2015:<\/strong>\"\"<\/h2>\n

S\u00ed\u00f0an er haldi\u00f0 \u00e1fram \u00ed samantektinni:<\/p>\n

“…Hva\u00f0 \u201c\u00feri\u00f0jungur\u201d er n\u00e1kv\u00e6mlega geta menn haft s\u00edna sko\u00f0un \u00e1, m\u00e9r og m\u00ednum a\u00f0 meinalausu.<\/span><\/p>\n

Vi\u00f0 sj\u00e1um greinilega \u00e1 hitaferlinum fr\u00e1 Bresku Ve\u00f0urstofunni \u00a0a\u00f0 Litlu \u00cds\u00f6ldinni l\u00fdkur ekki fyrr en um 1920, \u00fe\u00e1 ver\u00f0ur mj\u00f6g hr\u00f6\u00f0 hl\u00fdnun fram a\u00f0 1945, s\u00ed\u00f0an kyrrsta\u00f0a til um 1975 er hitinn fer a\u00f0 r\u00edsa hratt til \u00e1rsins 2000, og a\u00f0 lokum meira og minna kyrrsta\u00f0a til dagsins \u00ed dag.<\/span><\/p>\n

Eftirtektarvert er a\u00f0 \u00e1 t\u00edmabilinu 1920 til 1945 er \u00e1l\u00edka hr\u00f6\u00f0 og \u00e1l\u00edka mikil h\u00e6kkun \u00e1 hitastigi og \u00e1 t\u00edmabilinu 1975 til 2000. Hvort tveggja 25 \u00e1ra t\u00edmabil. \u00dea\u00f0 er umhugsunarvert a\u00f0 losun manna \u00e1 koltv\u00eds\u00fdringi var tilt\u00f6lulega l\u00edtil fyrr en eftir mi\u00f0ja s\u00ed\u00f0ustu \u00f6ld er losunin f\u00f3r hratt vaxandi. \u00dea\u00f0 fl\u00e6kir au\u00f0vita\u00f0 m\u00e1li\u00f0 d\u00e1l\u00edti\u00f0.\u00a0 Var \u00fea\u00f0 kannski n\u00e1tt\u00faran sem var a\u00f0 verki \u00e1 fyrra t\u00edmabilinu og mannf\u00f3lki\u00f0 \u00e1 hinu s\u00ed\u00f0ara?\u00a0 E\u00f0a \u00e1 n\u00e1tt\u00faran einhvern \u00fe\u00e1 \u00ed hitabreytingunum yfir allt t\u00edmabili\u00f0? \u00dea\u00f0 hefur h\u00fan alltaf gert.<\/span><\/p>\n

Vi\u00f0 t\u00f6kum eftir \u00fev\u00ed a\u00f0 me\u00f0alhitinn yfir allt t\u00edmabili\u00f0 er nokkurn vegin s\u00e1 sami og m\u00e6ldist \u00ed kyrrst\u00f6\u00f0unni 1945-1975. V\u00e6ri ekki e\u00f0lilegra a\u00f0 mi\u00f0a h\u00e6kkun lofthitans vi\u00f0 \u00fea\u00f0 t\u00edmabil frekar en Litlu \u00cds\u00f6ldina eins og gert er?\u00a0 \u00de\u00e1 v\u00e6ri h\u00e6kkunin sem vi\u00f0 v\u00e6rum me\u00f0 \u00e1hyggjur af um 0,5 gr\u00e1\u00f0ur \u00ed sta\u00f0 0,8 gr\u00e1\u00f0a, e\u00f0a 1\u00b0 ef vi\u00f0 kj\u00f3sum heldur a\u00f0 nota \u00fe\u00e1 t\u00f6lu.<\/span><\/p>\n

\u00deri\u00f0jungur af 0,5 gr\u00e1\u00f0um er t\u00e6plega 0,2 gr\u00e1\u00f0ur, (0,17\u00b0). Ekki er \u00fea\u00f0 n\u00fa miki\u00f0. Getur veri\u00f0 a\u00f0 \u00e1hrif koltv\u00eds\u00fdrings hafi ekki veri\u00f0 meiri?\u00a0 \u00a0Hummm\u2026\u00a0 \u00a0 Ekki skal neitt fullyrt \u00ed \u00fessum m\u00e1lum…”.<\/span><\/p>\n

H\u00e9r er or\u00f0i\u00f0 nokku\u00f0 l\u00edti\u00f0 \u00far “\u00feri\u00f0jungnum”, or\u00f0inn a\u00f0eins a\u00f0 t\u00e6plega 0,2% \ud83d\ude42<\/span><\/p>\n

 <\/p>\n

 <\/p>\n

\u00darklippan er \u00far vefs\u00ed\u00f0unni\u00a0\u00a0Loftslagsbreytingar af v\u00f6ldum manna e\u00f0a n\u00e1tt\u00faru, e\u00f0a kannski hvort tveggja?<\/strong><\/a> fr\u00e1 \u00e1rinu 2015.
\nSamanteki\u00f0:\u00a0CO2<\/sub> 33%, s\u00f3lin 33%, hafi\u00f0 33%.<\/p>\n

\n
\n

 <\/p>\n

Grein \u00ed bla\u00f0inu S\u00e1mur f\u00f3stri apr\u00edl 2017:<\/strong><\/h2>\n

\"\"<\/p>\n

\"\"<\/p>\n

Grein \u00far bla\u00f0inu S\u00e1mur f\u00f3stri, apr\u00edl 2017.
\nHnattr\u00e6nar ve\u00f0urfarsbreytingar undanfarna \u00e1ratugi – Leikur n\u00e1tt\u00farunnar e\u00f0a athafnir manna?\u00a0<\/strong> Sj\u00e1 h\u00e9r<\/a>. Skj\u00e1skoti\u00f0 er af ni\u00f0urlagi greinarinnar.<\/p>\n

Samanteki\u00f0:\u00a0CO2<\/sub> 33%, s\u00f3lin 33%, hafi\u00f0 33%.<\/p>\n

\n
\n

A\u00f0 lokum:<\/h2>\n

\u00cd \u00f6llum \u00feessum greinum og bloggpistlum eru \u00e1hrif koltv\u00eds\u00fdrings talin vera \u00e1 bilinu\u00a0\u00feri\u00f0jungur til helmingur.<\/em><\/span>\u00a0Er \u00fe\u00e1 \u00e1tt vi\u00f0 \u00e1hrif \u00e1 hl\u00fdnun s\u00ed\u00f0astli\u00f0in 150 \u00e1r.\u00a0 Oft er teki\u00f0 fram a\u00f0 \u00feetta s\u00e9u ekki n\u00e1kv\u00e6mar t\u00f6lur, a\u00f0eins nokkurn vegin.<\/strong><\/span><\/p>\n

\u00dea\u00f0 vir\u00f0ist ekki vera n\u00f3g \u00ed hugum margra, sem telja a\u00f0 mestalla hl\u00fdnunina megi rekja til losunar manna \u00e1 koltv\u00eds\u00fdringi, og telja svona vi\u00f0horf bera vott um efasedarmennsku, A\u00f0 vera efasemdarma\u00f0ur er nefnilega sl\u00e6mt \u00ed hugum fj\u00f6lmargra. Menn eiga ekki a\u00f0 leyfa s\u00e9r a\u00f0 hugsa sj\u00e1lfst\u00e6tt.<\/p>\n

“Er \u00fea\u00f0 hr\u00f3s a\u00f0 vera kalla\u00f0ur efasemdarma\u00f0ur”<\/strong> <\/em>er spurt \u00ed fyrirs\u00f6gninni.\u00a0 Au\u00f0vita\u00f0 er \u00fea\u00f0 miki\u00f0 hr\u00f3s.<\/p>\n

En hi\u00f0 kj\u00e1nalega or\u00f0 afneitunarsinni<\/strong> sem \u00edtreka\u00f0 hefur veri\u00f0 nota\u00f0 um \u00feann sem \u00feessar l\u00ednur ritar. Afneitar hverju?<\/p>\n

Erlendis hafa sumir\u00a0 v\u00edsindamenn nota\u00f0 or\u00f0i\u00f0 “lukewarmer”<\/strong> um sj\u00e1lfa sig. \u00c9g g\u00e6ti kannski sagt um mig a\u00f0 \u00e9g s\u00e9 volgur<\/strong>. Einhver netverji, sem \u00fatilokar allan \u00fe\u00e1tt koltv\u00eds\u00fdrings, og sem ekki er s\u00e1ttur vi\u00f0 afst\u00f6\u00f0u m\u00edna kallar mig h\u00e1lfvelgju<\/strong>. \u00dea\u00f0 er bara flott og l\u00edka hr\u00f3s.<\/p>\n

\u00cd sm\u00e1 h\u00e1lfk\u00e6ringi og str\u00ed\u00f0ni \u00ed bl\u00e1lokin:<\/span><\/h2>\n

\"\"<\/p>\n

Au\u00f0vita\u00f0 eru \u00fea\u00f0 bara kj\u00e1nar sem nota or\u00f0 eins og afneitunarsinni. En \u00e9g m\u00e1tti til me\u00f0 a\u00f0 pr\u00f3fa. Afsaki\u00f0 kj\u00e1naskapinn \ud83d\ude42<\/p>\n

\"\"<\/p>\n

 <\/p>\n

N\u00fa er ekki \u00far vegi a\u00f0 vitna \u00ed\u00a0Konungs Skuggsj\u00e1<\/a>. \u00a0 \u00dear er mj\u00f6g skynsamleg skrif a\u00f0 finna:<\/p>\n

\u201c\u2026En annar hlutur er forvitni, \u00fev\u00ed a\u00f0 \u00fea\u00f0 er mannsins n\u00e1tt\u00fara<\/span><\/em>
\na\u00f0 forvitna og sj\u00e1 \u00fe\u00e1 hluti, er honum eru sag\u00f0ir, og vita, hvort svo er, sem<\/span><\/em>
\nhonum var sagt, e\u00f0a eigi\u201d.<\/span><\/em><\/h2>\n

\n","protected":false},"excerpt":{"rendered":"

Oft hefur s\u00e1 er \u00feessar l\u00ednur ritar veri\u00f0 kalla\u00f0ur efasemdarma\u00f0ur, fyrst og fremst vegna \u00feess a\u00f0 hann efast um a\u00f0 aukning koltv\u00eds\u00fdring (CO2) hafi valdi\u00f0 allri h\u00e6kkun hita andr\u00famsloftsins s\u00ed\u00f0astli\u00f0in 150 \u00e1r, \u00fe.e. fr\u00e1 s\u00ed\u00f0ustu \u00e1ratugum Litlu \u00edsaldarinnar svok\u00f6llu\u00f0u. Sumir hafa jafnvel nota\u00f0 enn sterkari or\u00f0 eins og afneitunarsinni.\u00a0 Fr\u00f3\u00f0legt er a\u00f0 sko\u00f0a hva\u00f0 liggur…<\/p>\n","protected":false},"author":2,"featured_media":1664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,9],"tags":[],"_links":{"self":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/posts\/1641"}],"collection":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/comments?post=1641"}],"version-history":[{"count":41,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/posts\/1641\/revisions"}],"predecessor-version":[{"id":2396,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/posts\/1641\/revisions\/2396"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/media\/1664"}],"wp:attachment":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/media?parent=1641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/categories?post=1641"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/tags?post=1641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}