Solar Radiation, Albedo, and Light Transmission in Seawater

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Solar Radiation, Albedo, and Light Transmission
in Seawater

• Objectives To examine how the suns energy
  affects the ocean environment

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The Earths revolution around the sun
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Equinoxes and solstices
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Exercise 1 Solar Constant

• Set the equator to the same height as your light
  by using the meter stick
• Measure using the Lux Meter
• Lux meters have different settings (x1, x10,
  x100)
• Hold it flat to the globe for all readings

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Suns rays and surface area
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Exercise 2 Latitude

• Latitude lines are parallel to the equator.
• Keep Lux meter flat to the globe.
• When answering your questions, be sure to move
  the globe and take new measurements.

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Execise 3 - Albedo

• The incoming radiation will be the same for every
  sample.
• Do not move or change the set-up without asking
  the TA, only change out the sample trays.
• Ask the TA for an Ice sample to measure. Ice
  doesnt have a dark sand bottom.
• Best to answer question in the way it SHOULD be,
  not the way your results suggest.

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Exercise 4 Visible light in Water

• Be sure that the light is in the middle depth of
  water.
• Different ways to measure it?
• Red should have lowest transmission
• Best to answer question in the way it SHOULD be,
  not the way your results suggest.

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Exercise 56 Settling of particles

• Start with 2.4 gms. powdered silica
• Be sure to add an additional 1.2 g each time .
• You must put your own scale into the forms.
• Stir thoroughly when required.