Re: Record low temperatures over the North Pole

From: josephus (dogbird_at_earthlink.net)
Date: 02/06/05 

Date: Sun, 06 Feb 2005 06:58:20 GMT

Matt Giwer wrote:

> josephus wrote:
>
>> Matt Giwer wrote:
>
>
>>> And up hear the drought in the American southwest was broken last
>>> month. The drought was "obviously" caused by global warming.
>
>
>> Mat, you are selectively ignoring data. The premise-- as I
>> understand it-- is that global waring adds energy to the systeem. It
>> will display it self in the strengthing of systems. Storms, droughts,
>> frequence of stroms. Tenparture ranges will extend. Sea levels will
>> rise. all these things will increase.
>
>
> The last time I looked into the physical of meteorology "weather" is
> caused by differences in temperature. (In Florida winters, most days
> have no weather at all. In summer the weather is a daily thunderstorm
> almost good enough for setting clocks.) If everything warms equally the
> temperature difference will remain the same. Therefore the same amount
> of energy (to a very good first order approximation) will be the same.
> Everything is with regard to absolute zero not thermometer zero.
>
>> Ice will melt at the North and Sourth Poles,
>
>
> North pole ice already floats so like cubes in a glass of soda there
> is no effect on sea level from melting. The Antarctic ice shelf also
> floats.
>
> So the exercise is to find the amount of water in glaciers on land
> and determine the maximum possible sea level rise if they all melt. That
> is the worst case possibility.
>
> BUT warmer air carries more moisture so warmer winters means more
> snow. Glacier size is determined by the difference between winter precip
> and summer melting. Will warmer temperatures increase melting over
> precip or precip over melting?
>
>> Glaciers are retreating. all of this is because of increased energy.
>
>
> I don't ski.
>
>> This is just that data that something is happening. The idea that
>> Global Warming has specific preditions that match the data means as
>> TEHORY it is gaing credibility.
>
>
> You have not stated a theory. You have not even hinted at a theory.
>
>> I think the science is hard and there are not simple answers But I
>> really think we can work toward those answers.
>
>
> Is that your opinion as a scientist? A physicist myself with a
> career in R&D. What say you?
>
>> The real question is not whether or not Global Warning exists
>
>
> There appears to be a trend in temperatures which indicates that.
> There is no trend which supports a human cause. However the trends are
> far the data requirements on science. There are known events in human
> history such as the little ice age which cannot be attributed to human
> activity.
>

  Ok, it not a theory. So What. A degree in physics is not a degree in
planetary science. or Meteorology. A events go there have been a couple
of notable volcanic eruptions. 1862, 1980, 1988 (think those are
the right dates Krackatoa, Pintubo, St.Hellens) All three of these
events changed the color of the sky, noticeable at sundown and sunrise.
   The CO2 levels jumped for each of them.
In school in Texas we studied early Texas settlers. There was a report
of ICE in Galveston bay. Frozen Sea Water? If that was true the little
ice age is deeper that one might expect. This was 30 or so years before
Krakatoa. Krakatoa was a 10000 ft mountain. It famished and left a
ring of islands. That is a lot of dust.

Pinatubo in Mexico made astronomy photography hard. There was too much
dust upstairs.

StHellens was the smallest of the three. It affected night skies for 3
year or so.

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