GEOG 205 Lecture Notes - Mauna Loa Observatory, Axial Tilt, Keeling Curve

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21 Mar 2013
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January 23rd, 2013: the earth system and energy transfer records of temperature go back to mid-18th century in europe (mid-19th century elsewhere) Precipitation records less reliable difficult to measure accurately & greater variability. Weak records for humidity, cloud cover, radiation & extreme events. Effect of urbanization on climate temperature increases: precipitation increases, radiation decreases, cloudiness increases, humidity decreases, wind speed decreases. Global warming trend very unlikely to be influenced significantly by increasing urbanization. Atmospheric carbon dioxide has increased based on measurements taken from. Aphelion: when the earth is farthest from the sun (july 4th) Perihelion: when the earth is closest to the sun (january 4th) Eccentricity: elliptical orbit 100 000 year cycle. Precession: wobble of spin; change in orientation of the rotational axis of a rotating body 19 000 26 000 year cycle. Wind moves higher pressure to lower pressure.

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