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To: cogitator
Most of the "gaseous" emissions from volcanoes are water vapor, followed by sulfur dioxide.

And SO2 causes acid rain.

Krakatoa emitted enough particulate matter into the atmosphere that the world experienced colorful sunsets for several years. Climate change is occurring but the actions of SUVs (Super Upheaval Volcanos) is not the cause. That's my point.

30 posted on 12/19/2005 3:31:34 PM PST by Young Werther
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To: Young Werther
You wrote: The amount of anthroprogenic (mankind's gas emmissions), is about 8% of the total gas spewing into the atmosphere! Yup! Volcanos, belching cattle, and farting spiders make up the other 92%.

While volcanoes are truly immense sources of ash (and a big eruption as you noted can put it into the upper atmosphere, where it can affect climate for several years), the only gas that they are significant sources of, compared to anthropogenic sources, is SO2. And "belching cattle and farting spiders" implies methane, which volcanoes emit in tiny amounts, if any. So I just wanted to clarify what gases were "active" in this regard.

34 posted on 12/20/2005 9:47:35 AM PST by cogitator
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