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Re: Human vs. natural influences on the environment




: >jwas@ix.netcom.com(jw) wrote:
: >: it just *might* turn out that climate is just approaching a
: >: situation where positive feedback was present - for a while;
: >
: >  Warmer oceans can hold less CO2.

(Harold Brashears) wrote:
: Warmer oceans release more water, forming cloud cover, blockin some
: light, and incidently trapping some IR.

  And what will the result of this be?  Warming or cooling?  Research
suggests that this depends on the height the clouds will form.


(Harold Brashears) wrote:
: >  Melted tundra rots and moves more CO2 into the atmosphere.

: Why would it rot?  Higher CO2 stimulates plant growth.

  Because only the top of the tundra is alive.  The portion below is
dead and stays frozen all year.

  Higher CO2 levels do not "stimulate" plant growth.  Some plants grow
better with higher CO2 levels.  These plants are already benefitting
from higher CO2 levels.  What new process do you propose will suddenly
kick in with respect to plant absorption of CO2?

  You are living in a fantasy.



: >  More forest fires, more CO2 released into the atmoshpere.

: Warmer oceans mean more water evaporated into the atmosphere,
: resulting in more rain.

  Will this rain fall where the land is parched?  Please tell us how you
know.  How much more rain will fall?  In what pattern?


: >  It would appear that there are a host of positive feedback mechanisms,
: >many of which are certain.

(Harold Brashears) wrote:
: It would appear that there are a host of feedback mecanisms, many of
: which you failed to mention.  Is that because you did not know about
: them?

  No, I need not include them to counter the ignorant statement of Jwas
who said that positive feedback mechanisms are hard to find in nature.


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