GEO lab 3

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jo73
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309557
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GEO lab 3
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2015-10-13 06:10:13
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  1. Plane of ecliptic
    as the earth revolves around the sun, it revolves on a plane.
  2. Perihelion
    Closest to the sun, early January
  3. Aphelion
    Farthest point from the sun in July
  4. March Equinox
    • March 20-21
    • 0 degree Declination
  5. June Solstice
    • June 21-22 
    • 23.5 degrees North
  6. September Equinox
    • September 22-23 
    • 0 degrees
  7. December Solstice
    • December 21 or 22
    • 23.5 degrees south
  8. subsolar point
    location on Earth receiving perpendicular sunlight
  9. Declination
    latitude that receives direct sunlight overhead on a particular day
  10. June Solstice
    when noon sun is directly over 23.5 N which is the tropic of cancer
  11. On the June Solstice, the Arctic Circle and North experience 24 hours of daylight
  12. December Solstice
    Marks time when the noon sun is directly overhead the 23.5 south which is the tropic of capricorn
  13. On December Solstice, areas south of the antarctic Circle experience 24 hours of continuous daylight
  14. Tropical latitudes
    solar energy is consistency high and varies little from season to season
  15. Mid latitudes
    Experience a single insolation maximum at the time of the respective summer solstice and a single minimum at the time of respective winter solstice
  16. High latitudes
    solar energy receipts are reduced to zero for a good portion of the year
  17. Solar Constant
    • the total amount of insolation received at the top of the atmosphere
    • 1,372 W/m^2
  18. absorption
    atmospheric gases absorb radiant energy and convert it to heat causing the temperature of the air to rise slightly
  19. Scattering
    action in which gas molecules, clouds, and dust particles deflect insolation in all directions and some is thus sent back out to space
  20. albedo
    reflectivity of a surface
  21. shortwave radiation
    insolation

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