[Coral-List] More La Ninia

[Ulf Erlingsson]

Personal attacks are irrelevant arguments.

On 2010-11-30, at 08:16, David M. Lawrence wrote:

> You seem desperate to find any reason to deny, well, reason.  The
> Southern Hemisphere goes through similar cycles of temperature.  But
> it's the Northern Hemisphere, with the greater distribution of land  
> and,
> as a result, terrestrial vegetation, that drives the atmospheric  
> cycles.
>
> If you need further study, I'll be happy to teach you biology,
> geography, meteorology, or oceanography sometime.
>
> Later,
>
> Dave
>
> On 11/30/2010 8:11 AM, gchallenger at msn.com wrote:
>> ....and temperature drives the seasonal changes in the biosphere  
>> do they not?
>>
>> Amazing how a little emotion can obscure clarity of thinking
>> Sent via BlackBerry by AT&T
>>
>> -----Original Message-----
>> From: "David M. Lawrence"<dave at fuzzo.com>
>> Sender: coral-list-bounces at coral.aoml.noaa.gov
>> Date: Mon, 29 Nov 2010 23:50:36
>> 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.
>>>
>>>
>
> -- 
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>   David M. Lawrence        | Home:  (804) 559-9786
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>
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