Question:

A soda will give off more Co2 if it is heated up. So if you heated up the ocean would it give off more Co2?

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why or why not plz

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  1. Yes indeed the solubility of CO2 in water decreases as the temperature rises.  However this is complicated by the fact that all ocean surfaces may not be saturated with CO2 and that some marine organisms absorb CO2.  I believe that the detailed research indicates that the oceans are a net absorber of CO2 but that there are indications that this is slowing and in the future may go into reverse.


  2. Yes, as a liquid is warmed its equilibrium with gasses moves to less gas in the liquid. Because the oceans are a net sink of CO2, the actual effect would be that the oceans would absorb less CO2, but in shallow coastal water it can be found to gas-off . (In shallow water the temperature can rise significantly).

    CO2 will drift to the bottom of an ocean, and in very deep oceans that means CO2 will become a liquid, pooled in the deepest trenches. Once it gets down very deep, surface warming could not bring it back up, but volcanic activity could.

    The oceans do not warm much at any depth, it is mostly at the surface. Of course that is exactly where absorption and gassing off will occur.

    Some of the warmest areas of the oceans are extremely sick because of excess CO2. They are called dead zones because CO2 kills all animal life. This occurs because so much vegetation is dying and decomposing there.

    Plants growing in air at the ocean surface can absorb enormous amounts of CO2 from the air, then release it under water. This situation appears to be more significant than warming for release of CO2.

    Ocean acidification converts calcium carbonate on the ocean floor into calcium hydrogen carbonate and CO2. If we get much more acidification this would be a significant source of CO2.

  3. Actually the CO2 concentration of the oceans is believed to be increasing slightly as it is driven by the increasing concentration of CO2 in the atmosphere rather than by warming of the oceans.

    Ocean warming has been much less than land warming.

  4. yes.

    yes. an example of Le Chatelier's principle.

  5. it takes far more energy to raise the temperature of the ocean than it takes to raise the air temperature.

    the ocean surface warms quickly - but deep waters are a different story - this is were most of the CO2 is - i would think that the ocean will continue to provide a net uptake of CO2 for many years to come. I'm guessing the concentration gradient will have the greater effect on equilibrium.

  6. Yes, because carbon dioxide is less soluble in warmer water.

    This is one of many potential global warming feedbacks.

  7. yes, this evidence tells us that the increased temps actually cause the increased co2 levels.

    Most co2 we emit is bonded to water vapor, and eventually falls back to the earth as a weak acid, instead of being trapped in the atmosphere like global warming proponents think.

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