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Originally posted by Mynaeris
"JAKARTA, Indonesia (AP) - Two volcanoes in separate parts of Indonesia shot forth plumes of smoke....
Originally posted by Outland
Sorry to dampen the spirits of all you global warming fans.
"You are too naive for your own good Outland.... I don't know about the others but if I am wrong that's fine and actually good for everyone if there was no probability of an abrupt climate change in the near future, perhaps a few years from now."
"You also seem to not want to listen... Volcanoes do have a big impact on climate change, that's true, and more so if they are under sea and close to either poles to help in the melting of the glaciers."
"Global warming may have been, and in some cases still is, a misused term, since these changes will be mostly regional. While one region will be colder for longer periods of time, other regions will be warm."
"The world will not end but if such changes occur in regions where people live in big cities, it will mean that a lot of people will be caught unprepared if some sort of abrupt climate change happens."
"It is also true that the Earth has gone through these kind of changes in the past, but are most people prepared for such a change? What if it happens within the next few years?"
"I also think that some scientists are still trying to find ways to downplay the changes we are seeing around us and that have happened in the past. Probably because they would be scared of the possibility or they think themselves to be in a secure world that mankind can control, and don't want to deal in this possibility."
4. Volcanic eruptions' effect on global climate change
Including the atmospheric effects from volcanic eruptions in general circulation models may be the most important factor in improving the accuracy of long-term climate simulations. Vyushin et al. analyzed general circulation model estimates for the 20th century climate and found that volcanic eruptions, rather than the manmade effects from increasing greenhouse gas and aerosol levels, are the most significant factor in determining long-range correlations of surface air temperature. The authors tested more than 30 land and oceanic sites indicative of global climate change, using a full range of manmade and natural climate change factors, including the effects from enhanced greenhouse gases, aerosols, ozone, solar radiation, and volcanic eruptions, and found that the simulations containing volcanic effects most closely matched the observed long-term behavior of surface temperatures, which is a vital scaling factor used in climate model predictions.