climateass5

climateass5 - 1. The earth is closest to the sun towards...

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1. The earth is closest to the sun towards the beginning of January, this is known as the perihelion, this is when it is winter for the northern hemisphere and summer for the southern hemisphere. For when the earth is closest to the sun the summers for the southern hemisphere tend to be a lot warmer since there is more direct radiation thus making the winters a little cooler in the northern hemisphere. When the earth is at its furthest point from the sun, this is also known as aphelion it is the opposite. So the winters in the southern hemisphere would be cooler and the summers in the northern hemisphere would be warmer. 2.It is mainly the higher (polar) latitudes that are affected more by the earth’s tilt where as the lower latitudes are more affected by the eccentricity and precession. This is mainly because of the constant change throughout the year between hotter summers and colder winters, this causes there to be much more difference in the coldest temperature and the hottest temperature in that given area for a year. Where as areas closer to the equator do not see as much of a variation throughout the year so there is not much extremes of freezing or warming up going on. http://www.encyclopedia.com/doc/1O112-Milankovchcyclsndclmtchng.html
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This document was uploaded on 03/26/2010.

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climateass5 - 1. The earth is closest to the sun towards...

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