Post by Andrew on Sept 28, 2016 7:02:22 GMT
This is a thread to talk about CO2 for those who want to do so.
THE ACQUITTAL OF CARBON DIOXIDE
CO2 Forcing: Fact or Fiction
Something I found from the Ark, might be worth discussing amongst the more scientifically-inclined members here:
THE ACQUITTAL OF CARBON DIOXIDE
ABSTRACT
Carbon dioxide in the atmosphere is the product of oceanic respiration due to the well‑known but under‑appreciated solubility pump. Carbon dioxide rises out of warm ocean waters where it is added to the atmosphere. There it is mixed with residual and accidental CO2, and circulated, to be absorbed into the sink of the cold ocean waters. Next the thermohaline circulation carries the CO2‑rich sea water deep into the ocean. A millennium later it appears at the surface in warm waters, saturated by lower pressure and higher temperature, to be exhausted back into the atmosphere.
Throughout the past 420 millennia, comprising four interglacial periods, the Vostok record of atmospheric carbon dioxide concentration is imprinted with, and fully characterized by, the physics of the solubility of CO2 in water, along with the lag in the deep ocean circulation. Notwithstanding that carbon dioxide is a greenhouse gas, atmospheric carbon dioxide has neither caused nor amplified global temperature increases. Increased carbon dioxide has been an effect of global warming, not a cause. Technically, carbon dioxide is a lagging proxy for ocean temperatures. When global temperature, and along with it, ocean temperature rises, the physics of solubility causes atmospheric CO2 to increase. If increases in carbon dioxide, or any other greenhouse gas, could have in turn raised global temperatures, the positive feedback would have been catastrophic. While the conditions for such a catastrophe were present in the Vostok record from natural causes, the runaway event did not occur. Carbon dioxide does not accumulate in the atmosphere.
Carbon dioxide in the atmosphere is the product of oceanic respiration due to the well‑known but under‑appreciated solubility pump. Carbon dioxide rises out of warm ocean waters where it is added to the atmosphere. There it is mixed with residual and accidental CO2, and circulated, to be absorbed into the sink of the cold ocean waters. Next the thermohaline circulation carries the CO2‑rich sea water deep into the ocean. A millennium later it appears at the surface in warm waters, saturated by lower pressure and higher temperature, to be exhausted back into the atmosphere.
Throughout the past 420 millennia, comprising four interglacial periods, the Vostok record of atmospheric carbon dioxide concentration is imprinted with, and fully characterized by, the physics of the solubility of CO2 in water, along with the lag in the deep ocean circulation. Notwithstanding that carbon dioxide is a greenhouse gas, atmospheric carbon dioxide has neither caused nor amplified global temperature increases. Increased carbon dioxide has been an effect of global warming, not a cause. Technically, carbon dioxide is a lagging proxy for ocean temperatures. When global temperature, and along with it, ocean temperature rises, the physics of solubility causes atmospheric CO2 to increase. If increases in carbon dioxide, or any other greenhouse gas, could have in turn raised global temperatures, the positive feedback would have been catastrophic. While the conditions for such a catastrophe were present in the Vostok record from natural causes, the runaway event did not occur. Carbon dioxide does not accumulate in the atmosphere.
More from the Ark:
CO2 Forcing: Fact or Fiction
Conclusion
Long term climate is driven by the variability in the Earths orbit and axis, amplified by the ebb and flow of surface ice. There are many shorter term effects that can temporarily push the climate warmer or cooler. The data provides no support whatsoever for any kind of causal connection between CO2 levels and future temperatures. Biology alone is sufficient to explain the correlations between temperature, CO2 and CH4 seen in the data.
A kilometer thick wall of ice bearing down on Manhattan will be far more inconvenient that a small rise in sea levels, or a few homeless polar bears. This has happened before and will happen again with absolute certainty.
Mankind should not be so arrogant as to think we can control, or are responsible for, climate change. The climate has always been changing and will continue to change. Short of modifying the Earth's orbit and axis, there's nothing we can do about it, except to adapt. Even the effects of a nuclear winter would be dissipated within a decade.
Long term climate is driven by the variability in the Earths orbit and axis, amplified by the ebb and flow of surface ice. There are many shorter term effects that can temporarily push the climate warmer or cooler. The data provides no support whatsoever for any kind of causal connection between CO2 levels and future temperatures. Biology alone is sufficient to explain the correlations between temperature, CO2 and CH4 seen in the data.
A kilometer thick wall of ice bearing down on Manhattan will be far more inconvenient that a small rise in sea levels, or a few homeless polar bears. This has happened before and will happen again with absolute certainty.
Mankind should not be so arrogant as to think we can control, or are responsible for, climate change. The climate has always been changing and will continue to change. Short of modifying the Earth's orbit and axis, there's nothing we can do about it, except to adapt. Even the effects of a nuclear winter would be dissipated within a decade.