Gallery: Siberian Crater Lake Reveals How 400PPM Carbon Levels Affect t...


A crater lake in northeast Siberia is giving researchers a much better idea of how the world’s polar regions may change due to the increased saturation of carbon dioxide in our atmosphere. Formed by a one kilometer wide meteorite about 3.6 million years ago, the un-glaciated Lake El’gygytgyn lies 100 km north of the Arctic circle and provides the only unbroken climate record depicting the last time CO2 levels were as high as they are now. At the time, temperatures were 8C higher, the north was covered in lush tundra forests, and sea levels were 40 meters higher, The Guardian reports.

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  1. GreatEmerald May 12, 2013 at 4:02 am

    Yes, that seems to be the case. Even worse, ice has a very high albedo, while water has a very low albedo, so while ice tends to reflect most of the sun rays, water absorbs it, further warming it.

  2. ccsull May 10, 2013 at 11:51 pm

    I have not been able to find any discussion of the effect that the latent heat of fusion of ice has on rising global temperatures. It would seem to me that the less ice there is the greater the rate of temperature rise would be since the 80 calories of heat needed to turn 1cc of ice (solid H2O) at 32 degrees C to 1 cc of water (liquid H2O) at 32 degrees C would now be available to raise the temperature of 1cc of water at 32 degrees C to 1cc of water at 112 degrees C. This drastically increased rate of temperature rise in the water would contribute to a greatly increased rate of temperature rise in the atmosphere and land mass.

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