[Coral-List] More La Nina
ctwiliams at yahoo.com
Tue Nov 30 12:00:27 EST 2010
Now you are in my territory
Yes there is more land in NoHemi but the key drivers are
Rockies and Himalayas for locking in the jets - once they got to say 3000-4000m
Gulf of Alaska-LOTS of Warm/Counterclockwise water and isolated NorthSlope ArcticPack Ice/snow packs = the most-wonderful NoHemi weather engine for the NoHemi
Alaskan Lows generated come south and east across the entire NoHemi, some make the entire trip - reinforced by the GoM and then the Gulf Stream/Greenland-Icelandic whites before heading across Eur-Russia....some actually make it across and form the cores of new Alaskan Lows for the next merri-go-rounds
If the Equat/Polar differentials are small the Alaskan Lows are weak and wobble around a lot = more randomized weather fronts...and less rain for California and less heat in the GoM and in the GulfStream so if the weather fronts do make it across the Rockies they can't rebuild as much from the GoM or GSt and everything becomes more randomized - less seasonal
In the SoHemi - only the Andes and far less differentials between the Antarct and the CircumPolar currents - less frontal formation...
What does this have to do with CORALS???
LaNina/ElNino yes and lets focus on how these influence heating-bleaching and how the records of such may contribute data pooints to the GW/CC discussions or how such discussion can be tested in our coral reefs and their changes---they are changing.
--- On Tue, 11/30/10, David M. Lawrence <dave at fuzzo.com> wrote:
From: David M. Lawrence <dave at fuzzo.com>
Subject: Re: [Coral-List] More La Ninia
To: coral-list at coral.aoml.noaa.gov
Date: Tuesday, November 30, 2010, 5:16 AM
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.
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.
> 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
David M. Lawrence | Home: (804) 559-9786
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