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Snow isn’t as white as it once was, and it’s setting off a melting feedback loop.
Back in September, I interviewed Jason Box, a climate scientist whose work focuses on tracking the albedo, or reflectance, of the Greenland ice sheet. According to Box’s measurements (and his stunning photos), something weird is happening—the snow and ice there are increasingly black, and scientists aren’t exactly sure why.
And now, the first ever continental-scale survey of North American snowfall suggests that our snow is pretty dirty, too.
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.
Ice is black in Greenland because of forest fires in Canada
The increase in darkness due to dirt or wildfire soot or smokestack pollution
originally posted by: Mianeye
a reply to: Jamie1
Ice is black in Greenland because of forest fires in Canada
If you had read the article you would have seen that is mentioned among others.
The increase in darkness due to dirt or wildfire soot or smokestack pollution
No scientist are saying we are #ed, they are just showing us their findings, and telling us that we might start considering our actions a little better.
It isn't about instinction level, it's about major infrastructure problems in the future, it's a money problem, which in the end cause human problems.
It's about doing something right, instead of doing everything wrong.
originally posted by: Metallicus
Dark snow worries me less than yellow snow.
originally posted by: lostbook
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.
The world may just be sick; not dying. However, if the Earth is dying then it's not happening on Man's timescale.
You misread the article. It says:
originally posted by: lostbook
Snow is getting darker? What? Well, according to this article that's exactly what's happening.
That doesn't mean snow is getting darker, and the abstract of the research paper doesn't claim that it is, it basically said they made a bunch of measurements of snow albedo:
Every single site the team analyzed had snow that was darker than previous surveys showed for snow in Greenland.