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originally posted by: pikestaff
originally posted by: stirling
Can this be tied to vulcanism in Iceland?
not sure of the prevailing winds but think icelands recent eruptions....
Not just Iceland, all around the world volcanoes are erupting, those particulates have to settle somewhere.
originally posted by: Mianeye
a reply to: Thatthing
It's a future money issue to prepare the infrastructure, it's not about saving the planet.
Here is an example from my country.
The insurance companies have come out saying that people in high risk flooding areas will not be covered anymore, as flooding is happening to often compared to ten or twenty years ago.
Those high risk areas are expanding which means that people who never experienced floodings are now flooded but not covered by insurance as they now live in a high risk area.
When the insurance companies are complaining, you know something ain't right.
The infrastructure cannot cope with the amount of rain we get now a days, not because it's old or non functioning, but because it's not build to that amount of water, as it was not expected when build.
If it continue or get worse the whole system needs to be rebuild...... thats a money issue.
originally posted by: superman2012
I remember reading about this when the "greenhouse effect" was first being talked about. The holes in the ozone, black particles in the snow absorbing the heat, etc, etc. Not saying it isn't bad, but, back then, they made it seem like the world was going to end before 2000.
originally posted by: Lompyt
I saw a programe on bbc, it was called bang goes the theory. And they showed how much pollution was caused by deisel dust, the crap thats kicked out of the exhaust and makes ur noce white car black. They said it is linked to lung problems and some cancers as well, could be link to this??
Don't forget soil, which also could be partly caused by human disturbances, making dirt roads and fields sources of airborne soil, where there was previously growth holding the soil in place better.
originally posted by: mbkennel
Probably not. That stuff stays low in the atmosphere typically. The most likely major source is major global coal burning and that's mostly China & some in india.
The great plains had some of the darkest snow they measured, and they specifically mention soil as a significant contributor.
The chemical and optical data were input to a Positive Matrix Factorization analysis of the sources of particulate light absorption. These were soil, biomass/biofuel burning, and fossil fuel pollution. Comparable analyses have been conducted for the Arctic and North China, providing a broad, internally consistent data set. As in North China, soil is a significant contributor to snow particulate light absorption in the Great Plains.