but is it science · Climate Change · Deceit · science and philosophy

Climate Change: What’s Real and What’s Artificial?

Claim 7. Temperatures have risen faster in recent years than ever before.

Truth: Remember that there is no such thing as a global temperature. It is the average of all of the reporting stations all over the world. The rapid rise in temperatures in the 1990s directly coincides with a decrease in the number of Siberian weather stations reporting due to the break-up of the Soviet Union.

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Number of World Reporting Stations & Average Temperatures (vertical bars)

Source: Ross McKitrick, http://www.rossmckitrick.com/

Additionally, the “hottest year on record”, 1998, was an El Nino year so it was naturally hotter than the years just before and after. Another “cause” of rising average global temperatures is the urban heat island effect. Cities are hotter than rural areas. Many of the reporting stations that were once in undeveloped rural areas have experienced either suburban or urban development, or the stations have been moved to more urban settings. It is well documented that some have been, seemingly intentionally, relocated near or at heat sources such as paved parking lots and air conditioners.

One reason for relocation near buildings or other structures could be that new automatic-reporting equipment needs to be connected by cable. Rather than dig up parking lots or roads to install units in a grassy or protected area, many have opted to locate them where they can be directly connected without involving costly excavation, although such sites do not meet the stated requirements. Instead of excluding data from stations that are poorly situated, a convoluted mathematical algorithm (scheme) is used to “correct” it to presumed pre-industrial levels. See illustrations below.

Urban Heat 6Urban Heat 8Urban Heat 7

Urban area plus mathematical correction algorithm equals pristine nature

Source: “The Influence of anthropic surface processes and inhomogeneities on gridded global climate data” Slide 21, Powerpoint presentation to the American Chemical Society, Denver CO via Webinar, August 28 2011 by Ross McKitrick, Department of Economics, University of Guelph, Guelph ON Canada  http://www.rossmckitrick.com/general-overviews.html

Proposed rating of reporting stations with regard to surroundings:

Urban Heat 5

Figure 3. U.S. Historical Climate Network (USHCN) station exposure at sites representative of each CRN class: CRN 1, a clear flat surface with sensors located at least 100 m from artificial heating and vegetation ground cover <10 cm high; CRN 2, same as CRN 1 with surrounding vegetation <25 cm and artificial heating sources within 30 m; CRN 3, same as CRN 2, except no artificial heating sources within 10 m; CRN 4, artificial heating sources <10 m; and CRN 5, sensor located next to/above an artificial heating source.

Source:  “Analysis of the impacts of station exposure on the U.S. Historical Climatology Network temperatures and temperature trends,” Souleymane Fall, Anthony Watts, John NielsenGammon, Evan Jones, Dev Niyogi, John R. Christy,5and Roger A. Pielke Sr., Journal of Geophysical Research, Vol. 116, D116, D14120  doi:10.1029/2010JD015146, 2011

See other examples below of poor placement of temperature reporting stations from “Is the Western Climate Establishment Corrupt?” The public might not understand the science, but they do understand cheating, Dr. David Evans, 11 Nov 2010 (last updated 28 Feb 2011) Web Address: jonova.s3.amazonaws.com/corruption/climate-corruption.pdf

 Urban Heat 4

Urban Heat 1

Urban Heat 2

 

Urban Heat 3

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