Articles Tagged "A Graph to Debunk AGW"
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Monday, October 1st 2012, 5:25 AM EDT
A new paper published in Geophysical Research Letters "finds that there is a significant oscillation with a period around 60-years in the majority of the tide gauges examined during the 20th Century, and that it appears in every ocean basin." The authors note "The phase of the 60-year oscillation found in the tide gauge records is such that sea level in the North Atlantic, western North Pacific, Indian Ocean, and western South Pacific has been increasing since 1985–1990", meanwhile the figure below shows the eastern North Pacific and SW Pacific phase may have bottomed around the year 2000 and may be on an up phase currently. The authors note that "the possibility [of a 60-year natural cycle] should be considered when attempting to interpret the acceleration in the rate of global and regional mean sea level rise."
Climate has also long been known to have a natural ~ 60 year cycle, along with the Pacific Decadal Oscillation -PDO and Atlantic Multidecadal Oscillation -AMO. A very simple climate model consisting only of the "sunspot integral" + PDO + AMO predicts 96% of the variation in global temperature [R²= .96], whereas CO2 correlates poorly with global temperature [R² = .44].
Sunday, September 23rd 2012, 7:11 AM EDT
Our good friend Vukcevic has just posted on a WUWT open thread this spectral analysis of the signed sunspot cycle (solar magnetic cycle) compared to land and sea surface temperature, and the Earth’s geomagnetism. I trust he will be along to explain a little further.
M Vukcevic: Apparent relations between solar magnetic cycle, lunar nodal cycle, and ocean surface temperature.
The red arrow specifies the length of the 18.6 year Lunar nodal cycle.
Vuk offers a possible explanation:
Updated below with Lubos Motl link
Friday, September 21st 2012, 9:11 AM EDT
A slight "tweak" on my part on the above graph to show zero Correlation with CO2
Diagrams showing HadCRUT3 [see source for GISS, and NCDC] monthly global surface air temperature estimates (blue) and the monthly atmospheric CO2 content (red) according to the Mauna Loa Observatory, Hawaii.
The Mauna Loa data series begins in March 1958, and 1958 has therefore been chosen as starting year for the diagrams. Reconstructions of past atmospheric CO2 concentrations (before 1958) are not incorporated in this diagram, as such past CO2 values are derived by other means (ice cores, stomata, or older measurements using different methodology, and therefore are not directly comparable with modern atmospheric measurements. The dotted grey line indicates the approximate linear temperature trend, and the boxes in the lower part of the diagram indicate the relation between atmospheric CO2 and global surface air temperature, negative or positive.
Monday, September 17th 2012, 5:30 AM EDT
The IPCC predicted that global warming would result from increased atmospheric CO2 levels - however, since the beginning of the 1997 Super El Nino, global cooling has been the result
The RSS satellite global temperature measurements indicate that the 1997-98 Super El Niño started from the low of April 1997. From that point, and all the way through July 2012, the global atmosphere has cooled - a total of 184 months. This cooling trend took place during a significant increase of atmospheric CO2 levels.
This slight cooling trend is opposite of what the IPCC (and NASA's James Hansen) predicted for global temperatures.
The IPCC prediction of rapid global warming is based on the hypothesis that human CO2 emissions would increase atmospheric CO2 greenhouse gas levels; the increase of greenhouse gases would allow more radiated heat to be retained; the retained heat would warm the atmosphere; and, the atmosphere would then warm the world's oceans and land surfaces. Such predicted warming would set in motion a "runaway tipping point" that would produce catastrophic climate disasters and a doomsday for civilization.
Thursday, September 13th 2012, 5:59 AM EDT
Click source for bigger image
Tuesday, September 11th 2012, 5:24 PM EDT
Wood for Trees: Interactive Graphs
Climate Denier Phil Jones Reports No Temperature Change For Sixteen Years
Friday, September 7th 2012, 10:55 AM EDT
Seeing is Believing
for original chart (WUWT)
Note: President Obama did not include the above graph under the Tweet. It has been placed there to show how our climate has NOT heated up in the past 15 years due to an increase in CO2.
Updated below by Marc Morano
Thursday, September 6th 2012, 3:04 PM EDT
Mean temperature averaged 13.9C in the UK as a whole, well down on the long term 1981-2010 average of 14.4C. Since 2006, the average summer temperature has been below average, running at 14.3C.
In terms of ranking, 2012 comes in at the 54th warmest since 1910. The Central England Temperature series shows this summer as 15.2C (higher than the whole UK, as it excludes the colder Scotland and Wales). Figure 2 illustrates just how unremarkable English summers have been lately, and not just in the last couple of years. In the 354 years since the series started, there have been 177 summers that were warmer than this year, and the average summer temperature since 1659 has actually been warmer, at 15.3C.
Click source to read FULL report
Monday, September 3rd 2012, 7:53 AM EDT
With climate change a huge issue this election season, we should review the latest facts on the matter. In this chart, CO2 continues its rise. The global temperatures, however, have not only leveled off, they have begun to fall. This result is in line with natural climate cycle theory.
If the admission to the school of your choice, be it Cornell, or lets say Columbia or Harvard, depended on you answering this question -- "Given the facts presented in the chart above, is CO2 driving the Earth’s temperature?" -- how would you answer it?
Saturday, August 4th 2012, 3:43 PM EDT
Click source for photolink