[Coral-List] More La Ninia

David M. Lawrence dave at fuzzo.com
Wed Dec 1 08:11:04 EST 2010

If Challenger's original message was a personal note to me, my 
apologies, too.

In order to avoid such confusion when I take a thread private, I 
generally try to edit the subject line -- at least adding the words 
"OFFLIST" to reduce the odds of getting a public response to a private 
message. Otherwise, with "[Coral-List]" in the subject line and the list 
settings defaulting to respond to sender, it can be difficult to keep 
track of what direction a message came from.


On 11/30/2010 8:31 AM, Jim Hendee wrote:
> My apologies to Greg for accidentally approving this message.  I read
> the former one by Dave, and somehow approved both.  This was originally
> a reply to a personal message from Greg to Dave that somehow got
> entrained in the thread.  This is not cool.
>      Jim
> On 11/30/10 8:16 AM, 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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