Volcanic activity does impact our weather but the effects on the climate is limited to a few years or so. The bigger the eruption, the longer and more pronounced the cooling effect will be. Some climate scientists poo-pooh this and say it does not matter. These are typically the same ones that say solar cycles do not impact climate either, even when we know they do.
Here is a website with more information:
http://www.comet.ucar.edu/
You will need to create a userID and password but it is free and they are very good at not bothering you or selling your information. Once in, type volcano and climate. They also offer a whole host of weather/climate classes all for free in MetED.
Volcanic activity does impact our weather but the effects on the climate is limited to a few years or so. The bigger the eruption, the longer and more pronounced the cooling effect will be. Some climate scientists poo-pooh this and say it does not matter. These are typically the same ones that say solar cycles do not impact climate either, even when we know they do.
Here is a website with more information:
http://www.comet.ucar.edu/
You will need to create a userID and password but it is free and they are very good at not bothering you or selling your information. Once in, type volcano and climate. They also offer a whole host of weather/climate classes all for free in MetED.