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Bringing #Warmists Upto Date: Satellites Show No Acceleration In Global Warming For 23 Years …
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Posted by:
Greg Lance – Watkins
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Hi,

STUDY: Satellites Show No Acceleration In Global Warming For 23 Years

Photo of Michael Bastasch

Michael Bastasch
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Global warming has not accelerated temperature rise in the bulk atmosphere in more than two decades, according to a new study funded by the Department of Energy.

University of Alabama-Huntsville climate scientists John Christy and Richard McNider found that by removing the climate effects of volcanic eruptions early on in the satellite temperature record it showed virtually no change in the rate of warming since the early 1990s.

“We indicated 23 years ago — in our 1994 Nature article — that climate models had the atmosphere’s sensitivity to CO2 much too high,” Christy said in a statement. “This recent paper bolsters that conclusion.”

Christy and McNider found the rate of warming has been 0.096 degrees Celsius per decade after “the removal of volcanic cooling in the early part of the record,” which “is essentially the same value we determined in 1994 … using only 15 years of data. 

The study is sure to be contentious. Christy has argued for years that climate models exaggerate global warming in the bulk atmosphere, which satellites have monitored since the late 1970s.

Christy, a noted skeptic of catastrophic man-made global warming, said his results reinforce his claim that climate models predict too much warming in the troposphere, the lowest five miles of the atmosphere. Models are too sensitive to increases in carbon dioxide concentrations in the atmosphere, he said.

“From our observations we calculated that value as 1.1 C (almost 2° Fahrenheit), while climate models estimate that value as 2.3 C (about 4.1° F),” Christy said.

While many scientists have acknowledged the mismatch between model predictions and actual temperature observations, few have really challenged the validity of the models themselves.

A recent study led by Lawrence Livermore National Laboratory climate scientist Ben Santer found that while the models ran hot, the “overestimation” was “partly due to systematic deficiencies in some of the post-2000 external forcings used in the model simulations.”

Christy’s removal of volcanic-driven cooling from satellite temperature data could also draw scrutiny. The study also removed El Nino and La Nina cycles, which are particularly pronounced in satellite records, but those cycles largely canceled each other out, the co-authors said.

Christy said his works shows the “climate models need to be retooled to better reflect conditions in the actual climate, while policies based on previous climate model output and predictions might need to be reconsidered.”

Two major volcanoes — El Chichon in 1982 and Pinatubo in 1991 — caused global average temperature to dip as a result of volcanic ash, soot and debris reflecting sunlight back into space.

Those eruptions meant there was more subsequent warming in the following years, making the rate of warming appear to be rising as a result of man-made emissions or other factors, Christy said.

“Those eruptions happened relatively early in our study period, which pushed down temperatures in the first part of the dataset, which caused the overall record to show an exaggerated warming trend,” Christy said.

“While volcanic eruptions are natural events, it was the timing of these that had such a noticeable effect on the trend. If the same eruptions had happened near the more recent end of the dataset, they could have pushed the overall trend into negative numbers, or a long-term cooling,” Christy said.

TO WATCH GORE’S DISASTROUS CNN TOWN HALL MEETING:
& see the original article CLICK HERE

IF you incline to ignore the effects of Volcanic Action perhaps you should investigate the eruption of Mount Tambora on 10-Apr-1815 which gave rise to some 70,000 deaths and what was known in Europe & America as ‘1816 the year with no summer’ and the period known as ‘The Hunger Years’ – due to the global cooling it caused – Then study the effects of Mount Hekla in Iceland during the last 1,000 years that caused famine, warfare & long periods of global cooling and loss of sunlight.

It was mount Hekla’s eruption that gave rise to famine in Scotland that was so severe they begged to join England and become an integral part of these United Kingdoms!

Climate on our planet has changed on a largely cyclical basis since its formation just as have sea levels and the very shape of our continents, do not forget that where I live in Gloucestershire not only does my wife find and prepare fossils but that many of those fossils are from a period when this area was submerged in a shallow equatorial sea, whilst others are from a period when this was a scorching hot desert and yet others were from its time as a tropical forest – more recently in the last ice age it was 1 mile below the surface of the ice!

May I suggest you ignore the alarmists and doom sayers riding on the bandwagon of scientific & political dishonesty stoked by the media – they have no idea in which direction the climate or the land we atand on will move not just 100 years from now but more concerningly next week!

Planet earth is just a large composite & complex rock hurtling through space warmed by the vagiaries and eruptions, flares & spots of nuclear energy of our nearest star we call the sun!

May I suggest you watch the brief video by Carl Sagan ‘The Pale Blue Dot’ CLICK HERE

Then to place that in perspective CLICK HERE

 As for the myths warmists peddle about sea level rises CLICK HERE

 

Regards,
Greg_L-W.

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Posted by: Greg Lance-Watkins
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