Thursday, June 4, 2009

Chapter 1,2,3 of Climate Change Reconsidered

Excerpts from From NIPCC June 2, 2009

Chapter 1
• Today’s state-of-the-art climate models fail to accurately simulate the physics of earth’s radiative energy balance, resulting in uncertainties “as large as, or larger than, the doubled CO2 forcing.”

Chapter 2
• Scientists may have discovered a connection between cloud creation and sea surface temperature in the tropics that creates a “thermostat-like control” that automatically vents excess heat into space.
• Iodocompounds—created by marine algae— function as cloud condensation nuclei, which help create new clouds that reflect more incoming solar radiation back to space and thereby cool the planet.

Chapter 3
• The IPCC ......evidence it cites, including the “hockey-stick” representation of earth’s temperature record by Mann et al., has been discredited and contradicted by many independent scholars.
• A corrected temperature record shows temperatures around the world were warmer
during the Medieval Warm Period of approximately 1,000 years ago than they are
today, and have averaged 2-3ºF warmer than today’s temperatures over the past 10,000 years.
• The IPCC cites as evidence of modern global warming data from surface-based recording stations yielding a 1905-2005 temperature increase of 0.74ºC +/- 0.18ºC. But this temperature record is known to be positively biased by insufficient corrections for the nongreenhouse- gas-induced urban heat island (UHI) effect. It may be impossible to make proper corrections for this deficiency, as the UHI of even
small towns dwarfs any concomitant augmented greenhouse effect that may be present.
• Highly accurate satellite data, adjusted for orbit drift and other factors, show a much more modest warming trend in the last two decades of the twentieth century and a dramatic decline in the warming trend in the first decade of the twentyfirst
• The “fingerprint” or pattern of warming observed in the twentieth century differs from the pattern predicted by global climate models designed to simulate CO2-induced global warming.
All greenhouse models show an increasing warming trend with altitude in the tropics, peaking around 10 km at roughly twice the surface value. However, the temperature data from balloons give the opposite result: no increasing warming, but rather a slight cooling with altitude.
• The average temperature history of Antarctica provides no evidence of twentieth century warming. While the Antarctic peninsula shows recent warming, several research teams have documented a cooling trend for the interior of the continent since the 1970s.

No comments: