tag:blogger.com,1999:blog-3752737353398599600.post2452718953904309776..comments2024-03-06T07:58:03.231+01:00Comments on Flute-tankar: Metankrater på Jamalflutehttp://www.blogger.com/profile/13161312380873849956noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3752737353398599600.post-83969588504294807452014-08-22T00:11:09.871+02:002014-08-22T00:11:09.871+02:00We real scientists can also play that game (but ti...We real scientists can also play that game (but times 100):<br />http://news.sciencemag.org/climate/2014/08/earths-missing-heat-may-be-hiding-deep-atlanticJim Dowlinghttps://www.blogger.com/profile/06334659492165169076noreply@blogger.comtag:blogger.com,1999:blog-3752737353398599600.post-63641201864785291532014-08-21T23:29:41.330+02:002014-08-21T23:29:41.330+02:00Temperaturen har stigit med 0.74 grader sen slutet...Temperaturen har stigit med 0.74 grader sen slutet av 1800-talet, det kan knappast kallas för kraftiga klimatförändringar. Dessutom är INTE människan bakom hela denna uppvärmning, man har t ex svårt att förklara uppvärmningen 1910-1940. Dessutom har klimatmodellerna missat pausen i uppvärmningen, kanske för att man inte förstår klimatsystemet?<br /><br />Persistent link between solar activity and Greenland climate during the Last Glacial Maximum<br /><br />Florian Adolphi, Raimund Muscheler, Anders Svensson, Ala Aldahan, Göran Possnert, Jürg Beer, Jesper Sjolte, Svante Björck, Katja Matthes & Rémi Thiéblemont<br />AffiliationsContributionsCorresponding author<br />Nature Geoscience (2014) doi:10.1038/ngeo2225<br />Received 26 June 2014 Accepted 17 July 2014 Published online 17 August 2014<br />Article tools<br />Citation<br />Reprints<br />Rights & permissions<br />Article metrics<br />Changes in solar activity have previously been proposed to cause decadal- to millennial-scale fluctuations in both the modern and Holocene climates1. Direct observational records of solar activity, such as sunspot numbers, exist for only the past few hundred years, so solar variability for earlier periods is typically reconstructed from measurements of cosmogenic radionuclides such as 10Be and 14C from ice cores and tree rings2, 3. Here we present a high-resolution 10Be record from the ice core collected from central Greenland by the Greenland Ice Core Project (GRIP). The record spans from 22,500 to 10,000 years ago, and is based on new and compiled data4, 5, 6. Using 14C records7, 8 to control for climate-related influences on 10Be deposition, we reconstruct centennial changes in solar activity. We find that during the Last Glacial Maximum, solar minima correlate with more negative δ18O values of ice and are accompanied by increased snow accumulation and sea-salt input over central Greenland. We suggest that solar minima could have induced changes in the stratosphere that favour the development of high-pressure blocking systems located to the south of Greenland, as has been found in observations and model simulations for recent climate9, 10. We conclude that the mechanism behind solar forcing of regional climate change may have been similar under both modern and Last Glacial Maximum climate conditions.Somebody is wrong on the internethttps://www.blogger.com/profile/16728270644325759660noreply@blogger.com