Is the AMO a natural phenomenon, or is it related to global warming?
Instruments have observed AMO cycles only for the last 150 years, not long enough to conclusively answer this question. However, studies of paleoclimate proxies, such as tree rings and ice cores, have shown that oscillations similar to those observed instrumentally have been occurring for at least the last millennium. This is clearly longer than modern man has been affecting climate, so the AMO is probably a natural climate oscillation. In the 20th century, the climate swings of the AMO have alternately camouflaged and exaggerated the effects of global warming, and made attribution of global warming more difficult to ascertain.
http://www.aoml.noaa.gov/phod/amo_faq.php#faq_3
Eivät siis enää kiistä AMOn vaikutusta, mutta propagandapuolella ITL tavoin jaksavat julistaa viimeisimmän lämpeämisen olleen yksinomaan ihmisen aiheuttamaa, auringosta sentään jotain mutinaa, tosin vain 11 vuoden pilkkusyklistä, Gleisbergilläkin saattais olla sanottavansa aiheseen.
Instruments have observed AMO cycles only for the last 150 years, not long enough to conclusively answer this question. However, studies of paleoclimate proxies, such as tree rings and ice cores, have shown that oscillations similar to those observed instrumentally have been occurring for at least the last millennium. This is clearly longer than modern man has been affecting climate, so the AMO is probably a natural climate oscillation. In the 20th century, the climate swings of the AMO have alternately camouflaged and exaggerated the effects of global warming, and made attribution of global warming more difficult to ascertain.
http://www.aoml.noaa.gov/phod/amo_faq.php#faq_3
Eivät siis enää kiistä AMOn vaikutusta, mutta propagandapuolella ITL tavoin jaksavat julistaa viimeisimmän lämpeämisen olleen yksinomaan ihmisen aiheuttamaa, auringosta sentään jotain mutinaa, tosin vain 11 vuoden pilkkusyklistä, Gleisbergilläkin saattais olla sanottavansa aiheseen.
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