{"id":55,"date":"2014-10-20T06:36:57","date_gmt":"2014-10-20T06:36:57","guid":{"rendered":"http:\/\/192.168.1.70\/wordpress\/?page_id=55"},"modified":"2014-10-20T06:36:58","modified_gmt":"2014-10-20T06:36:58","slug":"argo-kerfid","status":"publish","type":"page","link":"http:\/\/www.agust.net\/wordpress\/loftslagsmal\/argo-kerfid\/","title":{"rendered":"ARGO kerfi\u00f0"},"content":{"rendered":"

\"\"\u00a0\"Latest<\/p>\n

<\/h2>\n

\u00datvarpsst\u00f6\u00f0in\u00a0NPR<\/span><\/strong><\/a>\u00a0(National Public Radio)\u00a0hefur sk\u00fdrt fr\u00e1 ni\u00f0urst\u00f6\u00f0um 3110 m\u00e6libauja sem komi\u00f0 var fyrir \u00e1ri\u00f0 2003.<\/strong>\u00a0\u00deetta eru eins konar robotar e\u00f0a \u00fejarkar sem m\u00e6lt geta sj\u00e1varhita og seltu \u00e1 mismunandi d\u00fdpi.\u00a0 Sj\u00e1 vefs\u00ed\u00f0u\u00a0ARGO<\/a><\/strong><\/span>.<\/p>\n

\"float_csection\"<\/a>\u00deessar m\u00e6libaujur eru um \u00f6ll heimsins h\u00f6f eins og myndin efst \u00e1 s\u00ed\u00f0unni s\u00fdnir, en h\u00fan s\u00fdnir hvar \u00fe\u00e6r eru staddar\u00a0 n\u00fa.\u00a0(Myndin uppf\u00e6rist sj\u00e1lfkrafa daglega).<\/span>\u00a0Baujurnar \u00e6ttu \u00fev\u00ed a\u00f0 geta gefi\u00f0 nokku\u00f0 sk\u00fdra mynd af sj\u00e1varhita. \u00deessar r\u00edflega\u00a0 3000 baujur e\u00f0a m\u00e6li\u00fejarkar geta m\u00e6lt sj\u00e1varhita og seltu allt ni\u00f0ur \u00e1 2000 metra d\u00fdpi. Baujurnar senda m\u00e6lini\u00f0urst\u00f6\u00f0ur og sta\u00f0setningu um gervihnetti til mi\u00f0st\u00f6\u00f0var \u00fear sem unni\u00f0 er \u00far m\u00e6lig\u00f6gnum. Sj\u00e1 myndina ne\u00f0st \u00e1 s\u00ed\u00f0unni.<\/p>\n

\u00deessir \u00fejarkar sem s\u00edfellt eru a\u00f0 hamast vi\u00f0 a\u00f0 m\u00e6la sj\u00e1varhita \u00e1 mismunandi d\u00fdpi hafa eitt framyfir hef\u00f0bundnar yfirbor\u00f0sm\u00e6lingar ger\u00f0ar me\u00f0 hitam\u00e6lum \u00e1 st\u00f6\u00f0um sem \u00fdmist eru \u00ed dreifb\u00fdli e\u00f0a \u00fe\u00e9ttb\u00fdli. \u00deeir eru v\u00e6ntanlega allir s\u00f6mu ger\u00f0ar og \u00fe\u00e9ttb\u00fdlis\u00e1hrif (urban heat island<\/span><\/a>) truflar ekki m\u00e6lingu. Hafi\u00f0 \u00feekur um 70% yfirbor\u00f0s jar\u00f0ar. \u00dear hafa a\u00f0 skiljanlegum \u00e1st\u00e6\u00f0um m\u00e6lingar veri\u00f0 mj\u00f6g stopular og dreif\u00f0ar.<\/p>\n

Hitastig sj\u00e1var \u00e6tti a\u00f0 gefa mj\u00f6g sk\u00fdra mynd af \u00fev\u00ed sem er a\u00f0 gerast og \u00e6tti hnatthl\u00fdnun a\u00f0 koma vel fram.\u00a0\u00a0\u00dea\u00f0 hefur \u00fev\u00ed komi\u00f0 v\u00edsindam\u00f6nnum verulega \u00e1 \u00f3vart a\u00f0 s\u00ed\u00f0astli\u00f0in 5 \u00e1r hafa baujurnar ekki m\u00e6lt neina hl\u00fdnun, heldur \u00f6rlitla k\u00f3nun.<\/strong>\u00a0Sj\u00e1lfsagt m\u00e6la \u00fe\u00e6r hl\u00fdnun \u00e1 sumum sv\u00e6\u00f0um en k\u00f3lnun \u00e1 \u00f6\u00f0rum, en \u00fea\u00f0 er me\u00f0altali\u00f0 sem gildir. Eing\u00f6ngu me\u00f0 miklum fj\u00f6lda m\u00e6lit\u00e6kja er h\u00e6gt a\u00f0 ff\u00e1 n\u00e1kv\u00e6ma mynd af \u00fev\u00ed sem er a\u00f0 gerast, en \u00feannig er einmitt \u00feetta kerfi.<\/p>\n

H\u00e6gt er a\u00f0 lesa fr\u00e9ttina fr\u00e1 NPR\u00a0h\u00e9r<\/span><\/strong><\/a>\u00a0 og jafnvel hlusta\u00a0h<\/strong><\/span>\u00e9r<\/strong><\/span><\/a>, sem er ekkert s\u00ed\u00f0ra. \u00cd vi\u00f0talinu er r\u00e6tt vi\u00f0\u00a0Dr. Josh Willis<\/a><\/strong><\/span>\u00a0hj\u00e1 NASA Jet Propulsion Laboratory og\u00a0Dr. Kevin Trenberth<\/strong><\/span><\/a>\u00a0hj\u00e1 National Center for Atmospheric Research, sem er \u00feekktur fyrir a\u00f0\u00a0sty\u00f0ja\u00a0<\/a><\/em>kenninguna um hnatthl\u00fdnun af mannav\u00f6ldum.<\/p>\n

Dr. Josh Willis<\/strong><\/span><\/a>\u00a0segir \u00feessar m\u00e6lingar mj\u00f6g mikilv\u00e6gar. \u00cd raun \u00fe\u00e1 fer 80% til 90% varmans vi\u00f0 hnatthl\u00fdnun \u00ed a\u00f0 hita upp h\u00f6fin. Hann hefur ekki sk\u00fdringar \u00e1 rei\u00f0um h\u00f6ndum og bendir \u00e1 a\u00f0 \u00fearna geti veri\u00f0 um a\u00f0 r\u00e6\u00f0a eitthva\u00f0 hik \u00ed hnatthl\u00fdnun.<\/p>\n

Dr. Kevin Trenberth<\/strong><\/span><\/a>\u00a0\u00e1 greinilega \u00ed nokkrum vandr\u00e6\u00f0um og minnist \u00e1 a\u00f0 j\u00f6r\u00f0in hafi nokkur mismunandi thermost\u00f6t, \u00fear \u00e1 me\u00f0al sk\u00fd, og hluti hitans hlj\u00f3ti a\u00f0 fara til baka \u00fat \u00ed geiminn. \u00dearna er hann kominn ansi n\u00e1l\u00e6gt kenningu\u00a0p\u00f3fessors Richard Lindz\u00e9n<\/strong><\/span><\/a>\u00a0hj\u00e1 MIT sem er \u00e1 \u00f6ndver\u00f0um mei\u00f0i vi\u00f0 flesrta var\u00f0andi hnatthl\u00fdnun og er h\u00f6fundur kenningar um sj\u00e1lfvirka reglun hitastigs jar\u00f0ar me\u00f0 breytilegu sk\u00fdjafari, e\u00f0a svok\u00f6llu\u00f0u\u00a0Iris effect<\/strong><\/span><\/a>. \u00dea\u00f0 skyldi \u00fe\u00f3 ekki vera a\u00f0 menn s\u00e9u byrja\u00f0ir a\u00f0 tala saman?<\/p>\n

\u00dea\u00f0 er eitthva\u00f0 undarlegt a\u00f0 gerast. Einhver sk\u00fdring hl\u00fdtur a\u00f0 vera \u00e1 \u00feessu, en hver skyldi h\u00fan vera?\u00a0\u00a0“But what this does is highlight some of the issues and send people back to the drawing board<\/em>” segir Trenberth.\u00a0 Ef sj\u00e1lfur Trenberth talar svona, \u00fe\u00e1 hlj\u00f3ta menn a\u00f0 taka eftir \u00fev\u00ed.<\/p>\n

\n

N\u00fa vakna \u00f3neitanlega margar spurningar. Til d\u00e6mis:<\/span><\/p>\n

1) Getur veri\u00f0, eins og\u00a0 Trenberth bendir \u00e1, a\u00f0 j\u00f6r\u00f0in s\u00e9 me\u00f0 n\u00e1tt\u00faruleg thermost\u00f6t e\u00f0a hitastilla sem breg\u00f0ast svona vi\u00f0 og vinni \u00e1 m\u00f3ti hl\u00fdnun?<\/strong><\/p>\n

2) Eru \u00e1hrif hnatthl\u00fdnunar af v\u00f6ldum losunar manna \u00e1 koltv\u00eds\u00fdringi minni en tali\u00f0 hefur veri\u00f0, etv. vegna \u00feessara “n\u00e1tt\u00farulegu hitastilla”?<\/strong><\/p>\n

3) Er \u00fea\u00f0 tilviljun a\u00f0 lofthiti hefur ekkert aukist \u00e1 sama t\u00edma?<\/strong><\/p>\n

4<\/strong>) Er \u00fea\u00f0 tilviljun a\u00f0 virkni s\u00f3lar vir\u00f0ist n\u00fa fara hratt minnkandi.<\/strong><\/p>\n

5) Getur veri\u00f0 a\u00f0 hnatthl\u00fdnun undanfarinna \u00e1ratuga s\u00e9 a\u00f0 ganga til baka \u00fear sem a\u00f0 mestu var um n\u00e1tt\u00farulega sveiflu a\u00f0 r\u00e6\u00f0a?<\/strong><\/p>\n

6) Getur veri\u00f0 a\u00f0 \u00feessi st\u00f6\u00f0vun hnatthl\u00fdnunar s\u00e9 bara eitthva\u00f0 \u00f3\u00fatsk\u00fdranlegt hik?\u00a0<\/strong><\/p>\n

7) Hvers vegna er svona\u00a0gr\u00ed\u00f0arlegur munur<\/a><\/span>\u00a0s\u00ed\u00f0astli\u00f0inn \u00e1ratug \u00e1 raunveruleikanum og sp\u00e1l\u00edk\u00f6num sem notu\u00f0 hafa veri\u00f0 til a\u00f0 sp\u00e1 fyrir um loftslagsbreytingar?\u00a0<\/strong><\/p>\n

\n

A\u00f0 lokum: H\u00e9r er a\u00f0eins um a\u00f0 r\u00e6\u00f0a m\u00e6lingar sem n\u00e1 yfir fimm \u00e1r. \u00dea\u00f0 er ekki langur t\u00edmi og \u00fev\u00ed mikilv\u00e6gt a\u00f0 vera ekki of flj\u00f3tur a\u00f0 draga \u00e1lyktanir. En a\u00f0 \u00feessar n\u00e1kv\u00e6mu og vi\u00f0amiklu m\u00e6lingar skuli ekki s\u00fdna neina hl\u00fdnun kemur \u00e1 \u00f3vart.\u00a0 Losun manna \u00e1 CO2 hefur aldrei veri\u00f0 jafn mikil, og er aukningin um 5,5% \u00e1 t\u00edmabilinu. \u00dea\u00f0 sty\u00f0ur \u00feessar m\u00e6lingar a\u00f0 lofthiti hefur ekki h\u00e6kka\u00f0 \u00ed \u00e1ratug, sama hvort liti\u00f0 er til m\u00e6linga sem ger\u00f0ar eru fr\u00e1 gervihn\u00f6ttum (UAH, RSS) e\u00f0a \u00e1 j\u00f6r\u00f0u ni\u00f0ri (CRU).<\/p>\n

\n

\"smo_big\"<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0 \u00datvarpsst\u00f6\u00f0in\u00a0NPR\u00a0(National Public Radio)\u00a0hefur sk\u00fdrt fr\u00e1 ni\u00f0urst\u00f6\u00f0um 3110 m\u00e6libauja sem komi\u00f0 var fyrir \u00e1ri\u00f0 2003.\u00a0\u00deetta eru eins konar robotar e\u00f0a \u00fejarkar sem m\u00e6lt geta sj\u00e1varhita og seltu \u00e1 mismunandi d\u00fdpi.\u00a0 Sj\u00e1 vefs\u00ed\u00f0u\u00a0ARGO. \u00deessar m\u00e6libaujur eru um \u00f6ll heimsins h\u00f6f eins og myndin efst \u00e1 s\u00ed\u00f0unni s\u00fdnir, en h\u00fan s\u00fdnir hvar \u00fe\u00e6r eru staddar\u00a0 n\u00fa.\u00a0(Myndin uppf\u00e6rist…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":45,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/pages\/55"}],"collection":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"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=55"}],"version-history":[{"count":1,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/pages\/55\/revisions"}],"predecessor-version":[{"id":56,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/pages\/55\/revisions\/56"}],"up":[{"embeddable":true,"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/pages\/45"}],"wp:attachment":[{"href":"http:\/\/www.agust.net\/wordpress\/wp-json\/wp\/v2\/media?parent=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}