[Coral-List] More La Ninia

[Greg Challenger]

> Gene, please get your facts right. The annual zigzags in the Keeling 
> curve are seasonal changes in atmospheric carbon dioxide levels 
> triggered by seasonal changes in the balance between photosynthesis 
> (which removes carbon dioxide from the atmosphere) and respiration 
> (which releases carbon dioxide to the atmosphere) in northern hemisphere 
> terrestrial ecosystems.
> 
> In the fall, deciduous species drop their leaves, other species stop 
> growing. Living plants need energy, and produce it by respiration. 
> Dead plants decompose, the bacteria and fungi responsible for that 
> decomposition produce energy by respiration, too. Respiration dominates 
> the balance through the winter into the spring -- as it does so, 
> atmospheric CO2 concentrations increase. In the spring and summer, 
> plants leave out and grow -- photosynthesis dominates the balance, and 
> atmospheric CO2 concentrations decrease. So, contrary to you comment, 
> it's not temperature driving the seasonal changes in CO2, but the biosphere.
> 
> You really should invest in a fire extinguisher. The physics is 
> settled, whether or not you choose to pay attention to it.
> 

Forgive me if I missed something, but are you arguing it is not factual to suggest temperature has anything to do with seasonal fluctuation in atmospheric CO2 caused by photosynthesis, respiration and decomposition?  Arent you both talking about the same thing?
 
 
Greg E. Challenger
Marine Scientist/Principal
Polaris Applied Sciences, Incorporated
12525 131st Ct NE Kirkland, WA 98034 
425-823-4841 
425-823-3805 fx 
206-369-5686 cell 
visit us at: www.polarisappliedsciences.com
 



 
> Date: Mon, 29 Nov 2010 23:50:36 -0500
> From: dave at fuzzo.com
> To: coral-list at coral.aoml.noaa.gov
> Subject: Re: [Coral-List] More La Ninia
> 
> Gene, please get your facts right. The annual zigzags in the Keeling 
> curve are seasonal changes in atmospheric carbon dioxide levels 
> triggered by seasonal changes in the balance between photosynthesis 
> (which removes carbon dioxide from the atmosphere) and respiration 
> (which releases carbon dioxide to the atmosphere) in northern hemisphere 
> terrestrial ecosystems.
> 
> In the fall, deciduous species drop their leaves, other species stop 
> growing. Living plants need energy, and produce it by respiration. 
> Dead plants decompose, the bacteria and fungi responsible for that 
> decomposition produce energy by respiration, too. Respiration dominates 
> the balance through the winter into the spring -- as it does so, 
> atmospheric CO2 concentrations increase. In the spring and summer, 
> plants leave out and grow -- photosynthesis dominates the balance, and 
> atmospheric CO2 concentrations decrease. So, contrary to you comment, 
> it's not temperature driving the seasonal changes in CO2, but the biosphere.
> 
> You really should invest in a fire extinguisher. The physics is 
> settled, whether or not you choose to pay attention to it.
> 
> Dave
> 
> On 11/29/2010 9:33 AM, Eugene Shinn wrote:
> > I suspect that Arhenius did not know that if you raise the
> > temperature you also raise the CO2 level.(thats the little annual
> > spikes on the Keeling CO2 curve) Even if it was CO2 causing the
> > cycles in deep sea cores described by Arrhenius what caused the CO2
> > spikes.
> >
> >
> 
> -- 
> ------------------------------------------------------
> David M. Lawrence | Home: (804) 559-9786
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> 
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> 
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