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5 Written Questions

5 Matching Questions

  1. greenhouse effect
  2. proxy
  3. biological pump
  4. Southern Oscillation
  5. biogeography
  1. a where plants and animals do and don't live now and in the past
  2. b photosynthesis in surface waters which uses up C02 draws down more C02 from the atmosphere
  3. c radiation reflected from the surface is absorbed by some gases and re-radiated as heat, some of which stays in the atmosphere and warms the surface
  4. d a substitute recorder of past climate Ex. width of growth rings may indicate what climate was like in the past
  5. e air pressure 'flips' between Australia (W) and Tahiti (E)

5 Multiple Choice Questions

  1. Precession, obliquity, and eccentricity
  2. the conveyor belt of heat and salt transport in oceans
  3. includes all of the earth's water found in oceans, glaciers, lakes, ground water, and the air.
  4. the closest orbital point to the sun (147 million km)
  5. the shape of earth's orbit

5 True/False Questions

  1. albedoreflectivity of earth's surface (mostly reflected by clouds)

          

  2. cryosphereincludes all of the earth's water found in oceans, glaciers, lakes, ground water, and the air.

          

  3. obliquitythe average surface condition over some period of time

          

  4. positive feedbackWhen A increases, B decreases, causing A to decrease Ex. global warming increase, thermohaline circulation decrease, global warming decrease

          

  5. ice coresice that is drilled out of glaciers. Gas bubbles in them give a direct measurement of what the climate was like in the past

          

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