Whether volcanic increased activity could change our weather ?

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Whether volcanic increased activity could change our weather ?
« on: September 26, 2016, 12:03:33 AM »
1summer of a specific year in the 19th century was not summer at all, because of a volcanic huge eruption, could we eventually would have the globe warming ending into globe cooling, what the chances are ?


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Master_Evar

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Re: Whether volcanic increased activity could change our weather ?
« Reply #1 on: September 26, 2016, 02:10:21 AM »
1summer of a specific year in the 19th century was not summer at all, because of a volcanic huge eruption, could we eventually would have the globe warming ending into globe cooling, what the chances are ?
I've heard about that volcanic eruption. The cooling was due to ashes being thrown high up into the atmosphere, and blocking out the sun. However, once the ashes rained back down the climate returns to normal. Greenhouse gases will remain in the atmosphere (The colder climate might even reduce the oxidation of certain greenhouse gases) and keep absorbing heat. Also, the ashes still absorb heat and release it into the upper parts of our atmosphere. It then either radiates into space or begins to slowly make it's way down here.
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Kami

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Re: Whether volcanic increased activity could change our weather ?
« Reply #2 on: September 27, 2016, 09:49:11 AM »
Afaik this is a quite commen phenomenon and several cooling periods can be traced back to huge volcanic eruptions or meteorite impacts. However, as Master_Evar already pointed out, this effect is only temporary and lasts a few years tops.
There are some theories about how the eruption of the yellowstone national parc will cause a long global winter killing almost all crops and causing a giant extinction.