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News Briefs 20-09-2005

Where’s Monday when you need it?

Thanks Baldrick.

Quote of the Day:

I say never be complete. I say stop being perfect. I say let’s evolve. Let the chips fall where they may.

Tyler Durden (‘Fight Club’)

Editor
  1. Arctic sea ice
    “Scientists fear that the Arctic has now entered an irreversible phase of warming that will further accelerate the loss of the polar sea ice creating a rise in ocean levels.”

    If it is sea ice does it not then displace its own weight in water? If the Greenland ice cap melted sea levels would rise. But melted sea ice would not change sea level.

    1. re: Artic Sea Ice
      Greenland ice melting would add directly to the level. True enough sea ice would not in itself increase the sea levels BUT it is the increase in sea temperature driven by accrued solar energy retaining that would result in a water temperature increase.

      Warmer water inflates in volume. Even if you added no water, just the increase in sea temperature is enough to raise the level, if not the quantity.

      1. water in a glass
        Heat causes expansion, true enough. But also trivial. It is scare tactics for sea ice to be considered important in sea level changes. The only thing that matters is land ice were serious changes would be involved on the ice melting. Sea ice melting will make no difference worth talking about – melt the arctic sea ice and the change will be about 1.5 metres. Nothing to fear. People living that much above sea level probably experience more floods from rivers on land than inundations from the sea.

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