Re: Global warming at it again...
- From: Nosmo King <marlboro@xxxxxxxxxxx>
- Date: Thu, 08 Dec 2005 06:04:26 -0600
Christian Williamson <c.willi@xxxxxxxxxxx> wrote in
> Voter wrote:
>> On Thu, 08 Dec 2005 00:25:49 GMT, Christian Williamson wrote:
>>>"Record Low Temps Seen in Parts of U.S."
>>>I wish it would hurry up and heat up. I'm tired of the cold.
>> Your post exposes your ignorance in regard to global warming.
>> Briefly: the rise in temperature (as little as 1 degree F) in certain
>> areas of the earth can cause a decrease in temperatures in other
>> parts of the earth.
>> Once you understand how the earth is heated and cooled, you will
>> understand how global warming can have an impact.
> Ah, yes, another global warming expert. Notice what the scientists
> said just 30 years ago:
> April 28, 1975 Studies
> Facts & Figures
> Selected Links
> The Cooling World
> There are ominous signs that the Earth's weather patterns have
> begun to change dramatically and that these changes may portend a
> drastic decline in food production-- with serious political
> implications for just about every nation on Earth. The drop in
> food output could begin quite soon, perhaps only 10 years from
> now. The regions destined to feel its impact are the great
> wheat-producing lands of Canada and the U.S.S.R. in the North,
> along with a number of marginally self-sufficient tropical areas
> -- parts of India, Pakistan, Bangladesh, Indochina and Indonesia
> -- where the growing season is dependent upon the rains brought by
> the monsoon.
> The evidence in support of these predictions has now begun to
> accumulate so massively that meteorologists are hard-pressed to
> keep up with it. In England, farmers have seen their growing
> season decline by about two weeks since 1950, with a resultant
> overall loss in grain production estimated at up to 100,000 tons
> annually. During the same time, the average temperature around the
> equator has risen by a fraction of a degree -- a fraction that in
> some areas can mean drought and desolation. Last April, in the
> most devastating outbreak of tornadoes ever recorded, 148 twisters
> killed more than 300 people and caused half a billion dollars'
> worth of damage in 13 U.S. states.
> To scientists, these seemingly disparate incidents represent the
> advance signs of fundamental changes in the world's
> weather. Meteorologists disagree about the cause and extent of the
> trend, as well as over its specific impact on local weather
> conditions. But they are almost unanimous in the view that the
> trend will reduce agricultural productivity for the rest of the
> century. If the climatic change is as profound as some of the
> pessimists fear, the resulting famines could be catastrophic. "A
> major climatic change would force economic and social adjustments
> on a worldwide scale," warns a recent report by the National
> Academy of Sciences, "because the global patterns of food
> production and population that have evolved are implicitly
> dependent on the climate of the present century."
> A survey completed last year by Dr. Murray Mitchell of the
> National Oceanic and Atmospheric Administration reveals a drop of
> half a degree in average ground temperatures in the Northern
> Hemisphere between 1945 and 1968. According to George Kukla of
> Columbia University, satellite photos indicated a sudden, large
> increase in Northern Hemisphere snow cover in the winter of
> 1971-72. And a study released last month by two NOAA scientists
> notes that the amount of sunshine reaching the ground in the
> continental U.S. diminished by 1.3% between 1964 and 1972.
> To the layman, the relatively small changes in temperature and
> sunshine can be highly misleading. Reid Bryson of the University
> of Wisconsin points out that the Earth's average temperature
> during the great Ice Ages was only about seven degrees lower than
> during its warmest eras -- and that the present decline has taken
> the planet about a sixth of the way toward the Ice Age average.
> Others regard the cooling as a reversion to the "little ice age"
> conditions that brought bitter winters to much of Europe and
> northern America between 1600 and 1900 -- years when the Thames
> used to freeze so solidly that Londoners roasted oxen on the ice
> and when iceboats sailed the Hudson River almost as far south as
> New York City.
> Just what causes the onset of major and minor ice ages remains a
> mystery. "Our knowledge of the mechanisms of climatic change is at
> least as fragmentary as our data," concedes the National Academy
> of Sciences report. "Not only are the basic scientific questions
> largely unanswered, but in many cases we do not yet know enough to
> pose the key questions."
> Meteorologists think that they can forecast the short-term results
> of the return to the norm of the last century. They begin by
> noting the slight drop in overall temperature that produces large
> numbers of pressure centers in the upper atmosphere. These break
> up the smooth flow of westerly winds over temperate areas. The
> stagnant air produced in this way causes an increase in extremes
> of local weather such as droughts, floods, extended dry spells,
> long freezes, delayed monsoons and even local temperature
> increases -- all of which have a direct impact on food supplies.
> "The world's food-producing system," warns Dr. James D. McQuigg of
> NOAA's Center for Climatic and Environmental Assessment, "is much
> more sensitive to the weather variable than it was even five years
> ago." Furthermore, the growth of world population and creation of
> new national boundaries make it impossible for starving peoples to
> migrate from their devastated fields, as they did during past
> Climatologists are pessimistic that political leaders will take
> any positive action to compensate for the climatic change, or even
> to allay its effects. They concede that some of the more
> spectacular solutions proposed, such as melting the Arctic ice cap
> by covering it with black soot or diverting arctic rivers, might
> create problems far greater than those they solve. But the
> scientists see few signs that government leaders anywhere are even
> prepared to take the simple measures of stockpiling food or of
> introducing the variables of climatic uncertainty into economic
> projections of future food supplies. The longer the planners
> delay, the more difficult will they find it to cope with climatic
> change once the results become grim reality.
Now that shows you the great thing about science. In science, you make
observations. Based on those observations you build a hypothesis as to
what you think is going on. But is does not stop there. You go on with
the observations and collect more data. As better ways of observing come
along, much as the telescope improved the way humans looked a the stars,
your data collection gets better. And you look at the interaction of all
of the elements that might affect your hypotheis. If the data does not
support your hypothesis, then you are forced to change it. The fact that
a reporter at "Newsweek" wrote an article about what some scientists were
thinking does not make it the consensus of the scientific community. Over
the last thirty years a huge amount of additional data has been collected
by ever increasingly sophisticated means, giving us a much better picture
of what's going on in the global atmosphere. All of this evidence points
toward a warming of the atmoshpere.
Now, personally, I really don't care one way or the other. The earth
will continue to exist whether humans are here to corrupt it or not. And
it will heal itself over time. Hundreds of millions of years is nothing
in cosmic time. Some other species of animal may evolve into a so called
"intelligent?" being two or three hundred million years from now and
really mess the place up if we don't accomplish the task first, or get
help from a stray asteroid.
So, we can continue, I believe, to watch the planet get a little warmer.
I just hope that it leaves the Gulf Coast and the lower US alone, though.
I don't want all them damn hillbillies moving north and bringing their
trailers with them.
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