November 14th, 2013

The Reality of Global Warming

Posted at 1:00 AM ET

The increase in the global mean air temperature, as compared to the 1951-1980 average, is depicted in Figure F-2, and the surge in average oceanic heat content for the 0-700 meter layer is depicted in Figure F-3. The increase in oceanic heat content in particular is notable as it takes a very large amount of energy to heat such a volume of water.

f2-land-ocean-temperature-olnewest

f3-ocean-heat-olfinal

The Intergovernmental Panel on Climate Change (IPCC), a United Nations body for the assessment of climate change, has further concluded, based on consistent and scientifically defensible evidence, that global warming over the last 50 years cannot be explained without “external radiative forcing.” (1)

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Notes:

1. IPCC AR4, Working Group I, Section 9.7.

4. NOAA/GISS, 2013: Global Land-Ocean Temperature Index. Goddard Institute for Space Studies. National Aeronautics and Space Administration – http://data.giss.nasa.gov/gistemp/#tabledata (accessed July 2013).

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