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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: HPilot who wrote (19474)	1/10/2008 12:17:29 PM
From: Thomas A Watson	Respond to of 36921

variability data? I am always searching for rational and logical explanation of Climate. I found this site with great text explanations of the physics of climate. eesc.columbia.edu Solar Radiation and the Earth's Energy Balance. It refers to several figures. But this figure eesc.columbia.edu is the perfect picture of the extreme cycle of variability. I downloaded and played the the gif by montaging three in one then joining the left two to better see northern winter continuously thru january. I also cut white lines to show the equator line. I wished a more defined visual cue. What is interesting is southern hemisphere show a 500 W/m^2 from 90 to 30 degrees and the northern hemisphere only show 500 W/m^2 from 90 to 75 degrees. The non symmetrical spread of energy intensity between northern and southern hemisphere is about the Effect of earth's orbit shape. Earth's orbit is not circular but elliptical, with the Sun located in one of the foci of the ellipse. Currently the earth is closest to the sun in January and farthest away in June. The change in distance changes energy intensity by 3.5% The picture...