in alt.fan.rush-limbaugh,
In
On Mon, 23 Apr 2007 15:43:12 +0000 (UTC), Larry said about:
( OT) Global Warming, a primer . .


On Mon, 23 Apr 2007 14:19:32 GMT, Doug Bashford wrote:

in rec.radio.shortwave, David said about:
( OT) Global Warming, a primer . .


On Sun, 22 Apr 2007 19:30:14 +0000 (UTC), "Larry"
wrote:

It's going to be difficult for those people to explain the very real
fact that the earth has been measurably cooling for the last eight
years, in spite of an increase in CO2 levels.

http://www.nasa.gov/vision/earth/env...2006_warm.html

See figure A on that page for a graph of all the temps
from 1880 - 2007. I see a warming trend with plenty of
spikes and valleys. ...a really fast rise after 1975.

============begin quotes
Images above: The upper graph [A] shows global annual surface
temperatures relative to 1951 to 1980 mean, based on surface air
measurements at meteorological stations and ship and satellite
measurements for sea surface temperature. Over the past 30 years the
Earth has warmed by about 0.6°C or 1.08°F.
The lower image is a color map of temperature anomalies in 2006
relative to the 1951 to 1980 mean. Areas that were warmest in 2006 are
in red, and areas that have cooled are in blue. Note that the Arctic
has warmed significantly. These temperatures are for the calendar year
2006.

“2007 is likely to be warmer than 2006,” said James Hansen, director
of NASA GISS, “and it may turn out to be the warmest year in the
period of instrumental measurements. Increased warmth is likely this
year because an El Nino is underway in the tropical Pacific Ocean and
because of continuing increases in human-made greenhouse gases.”

Still from animation showing world temps in 1884.

Image left: This animation shows a basic demonstration of the
increase in annual mean temperature in five year increments from 1880
through 2006. Warmest temperatures are in red. Click on image to view
animation. + High resolution still Credit: NASA/GISS

Most places on the globe have warmed in recent decades, with the
greatest warming at high latitudes in the Arctic Ocean, Alaska,
Siberia and the Antarctic Peninsula. Most ocean areas have warmed.
Climatologists say that warming is not due to local effects of heat
pollution in urban areas, a point demonstrated by warming in remote
areas far from major cities.

This graph shows temperature changes since 1950 for both the entire
world and just for the low latitudes. Image above: This graph shows
temperature changes since 1950 for both the entire world and just for
the low latitudes (23.6? North to South). Since 1950, world
temperatures rose by 0.6?C (1.08? F) while the low latitude
temperatures rose by 0.4?C (0.72?F). Blue semi-circles mark La Niñas,
red rectangles mark El Niños, and green triangles mark large
volcanoes. Credit: NASA.

In their analysis for the 2005 calendar year, GISS climatologists
noted the highest global annual average surface temperature in more
than a century.

Goddard Institute for Space Studies
============end quotes

Check out that animated map!


nasa.gov ???
That says:

Okay, let's stick with NASA. Last year, NASA published a report which said
that earth's oceans have significantly cooled since 2003
(http://www.nasa.gov/home/hqnews/2006...n_Cooling.txt).

The World Meteorological Organization's data show that 2006 was cooler
than 2005, which was cooler than 2004, which was cooler than 2003, etc.,
and so the WMO agrees with the NASA observations. Since the oceans have
a large thermal inertia, they cool and warm significantly later than
does the atmosphere itself. Unfortunately, the WMO (http://www.wmo.ch)
has moved its data since I last accessed it, so I'll have to keep on
digging to find the graphs they produced.

An Assistant Professor of physics at MIT

.........snip, as you said, let's stick with NASA.


The question is not the temperature during the last decade as compared
to earlier decades, but rather the TREND in the current average annual
temperature (which is downward).

The paper you cite says:
"But overall, the long-term trend is warming."

http://www.nasa.gov/home/hqnews/2006...an_Cooling.txt

=======begin quote
Researchers found the average temperature of the upper ocean rose by

0.16 degrees Fahrenheit from 1993 to 2003, and then fell 0.055
degrees Fahrenheit from 2003 to 2005. The recent decrease is a dip
equal to about one-fifth of the heat gained by the ocean between 1955
and 2003. They analyzed data from a broad array of ocean moorings,
floats and shipboard sensors, and supported their results with data
from NASA's Jason and Topex/Poseidon satellites.

Lyman said the recent cooling is not unprecedented. "While global
ocean temperatures have generally increased over the past 50 years,
there have also been substantial decadal decreases," he said. "Other
studies have shown that a similar rapid cooling took place from 1980
to 1983. But overall, the long-term trend is warming."
======end quote

Good paper! Much good stuff in there! Some dire. Thanks!

As the NASA paper says, a downward
trending temperature is something which is not predicted by current
models, and NASA intends to improve its models to take this "speed
bump" into account.

Guess the models aren't that reliable after all ...

Isn't that EXCITING!!?? grin



[Newsgroups trimmed to original group.]

Untrimmed. We may get better answers if we
leave sci.environment in. There are some true
experts there, as well as plenty of corporatist
anti-environmental trolls and denialists.

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Words mean something.
--Doug

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