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(Uppf\u00e6rt j\u00fal\u00ed 2019)<\/span><\/p>\n Fyrirb\u00e6ri sem kalla\u00f0 er<\/strong> “Forbush Descrease<\/a>“<\/strong>\u00a0 er skyndileg minnkun geimgeisla eftir \u00f6flugar k\u00f3r\u00f3nuskvettur fr\u00e1 s\u00f3linni. \u00deetta eru skammt\u00edma\u00e1hrif sem ekki hafa nein markt\u00e6k \u00e1hrif \u00e1 breytingar \u00e1 hitastigi lofthj\u00fapsins, en samt sem \u00e1\u00f0ur m\u00e1 l\u00edta \u00e1 “Forbush Decrease” \u00e1hrifin sem k\u00e6rkomi\u00f0 prufumerki sem gerir kleyft a\u00f0 rannsaka \u00e1hrif geimgeisla \u00e1 sk\u00fdin, og v\u00e6tanlega \u00fear me\u00f0 \u00e1hrif \u00e1 hl\u00fdnun e\u00f0a k\u00f3lnun jar\u00f0ar.<\/p>\n \u00cd september 2016 birtist grein \u00ed virtu v\u00edsindariti Journal of Geophysical Research \u2013 Space Physics<\/strong> eftir v\u00edsindamennina fe\u00f0gana Jacob og Henrik Svanskmark, Martin Enghoff og Nir Shaviv. \u00deessi grein vakti t\u00f6luver\u00f0a athygli. Greinin nefnist The response of clouds and aerosols to cosmic ray decreases<\/strong><\/a>. Myndin er \u00far greininni.<\/p>\n Segulsvi\u00f0 \u00ed k\u00f3r\u00f3nuskvettunni sveigir geimgeisla og hefur \u00feau \u00e1hrif a\u00f0 hluti \u00feeirra fer fram hj\u00e1 j\u00f6r\u00f0inni. Styrkur \u00feeirra \u00a0\u00e1 j\u00f6r\u00f0u ni\u00f0ri minnkar.<\/p>\n F\u00e9lagarnir ranns\u00f6ku\u00f0u 26 \u00f6flugustu \u00a0<\/strong>Forbush Descrease<\/strong> fyrirb\u00e6rin \u00e1 t\u00edmabilinu 1987 til 2007 og b\u00e1ru saman vi\u00f0 gervihnattamyndir af sk\u00fdjafari. \u00a0Ni\u00f0ursta\u00f0a \u00feeirra var a\u00f0 \u00f6flug Forbush Descrease hafa \u00feau \u00e1hrif a\u00f0 sk\u00fdjafar minnkar um \u00fev\u00ed sem n\u00e6st 2% sem jafngildir um milljar\u00f0i tonna af vatni.<\/strong><\/p>\n \u00deetta er st\u00f3rmerkilegt ef r\u00e9tt reynist. Kenning Henriks Svensmark um samband milli virkni s\u00f3lar og sk\u00fdjafars hefur veri\u00f0 umdeild, en \u00feessi ranns\u00f3kn rennir sto\u00f0um undir hana. Reynist kenning Svensmark r\u00e9tt, \u00fe\u00e1 getur h\u00fan \u00fatsk\u00fdrt st\u00f3ran hluta af breytingum \u00ed hitastigi lofthj\u00fapsins.<\/p>\n minna endurkast -> h\u00e6rra hitastig”<\/span><\/strong><\/p>\n <\/p>\n <\/p>\n Sj\u00e1 fr\u00e9tt \u00e1 vefs\u00ed\u00f0u\u00a0DTU-Danmarks Tekniske Universitet<\/strong> Solar activity has a direct impact on Earth\u2019s cloud cover<\/strong> <\/p>\n Sj\u00e1 \u00edtarlega umfj\u00f6llun \u00e1 Phys.org<\/strong> um ranns\u00f3knina: <\/p>\n Sj\u00e1 bloggpistil<\/strong> fr\u00e1 \u00e1rinu 2007 \u00fear sem kenning Svensmark er \u00fatsk\u00fdr\u00f0: <\/p>\n New study connect exploding stars, clouds and Earth climate New research from DTU Space provides better understanding of how cosmic rays can influence Earth\u00b4s cloud cover and climate.<\/p>\n A DTU lead team of scientists have found a missing link between exploding stars, clouds and the Earth’s climate. The findings have just been published in the journal Nature Communications. The scientists call the new discoveries ‘a breakthrough’ in the understanding of how cosmic rays from supernovae can influence Earth\u00b4s cloud cover and thereby climate on Earth…<\/p>\n
\n“Mikil virkni s\u00f3lar -> mikill s\u00f3lvindur -> minni geimgeislar -> minna um sk\u00fd -> <\/span><\/strong><\/p>\n
\nDTU-Space – Institut for Rumforskning og -teknologi:<\/p>\n
\nhttp:\/\/www.space.dtu.dk\/english\/news\/2016\/08\/solar_variations_svensmark_2016?id=b759b038-66d3-4328-bbdc-0b0a82371446<\/a><\/p>\n
\nhttp:\/\/phys.org\/news\/2016-08-solar-impact-earth-cloud.html<\/a><\/p>\n
\nhttp:\/\/agbjarn.blog.is\/blog\/agbjarn\/entry\/128319\/<\/a><\/p>\n
\n<\/strong>20. des. 2017<\/p>\n