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5 Written questions

5 Matching questions

  1. ice cores
  2. biological pump
  3. obliquity
  4. eccentricity
  5. albedo
  1. a ice that is drilled out of glaciers. Gas bubbles in them give a direct measurement of what the climate was like in the past
  2. b reflectivity of earth's surface (mostly reflected by clouds)
  3. c (tilt) earth's orientation relative to the solar plane fluctuations (between 21.5 and 24.5 degrees over 41,000 years)
  4. d the shape of earth's orbit
  5. e photosynthesis in surface waters which uses up C02 draws down more C02 from the atmosphere

5 Multiple choice questions

  1. When A increases, B increases, which causes A to increase even more.Ex. temp increase, ice melts, albedo decrease, temp increase
  2. the average surface condition over some period of time
  3. orbital parameters affecting how much energy earth receives from the sun
  4. the closest orbital point to the sun (147 million km)
  5. 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

5 True/False questions

  1. negative feedbackWhen A increases, B increases, which causes A to increase even more.Ex. temp increase, ice melts, albedo decrease, temp increase

          

  2. The 3 Milankovitch cyclesorbital parameters affecting how much energy earth receives from the sun

          

  3. weatherthe average surface condition over some period of time

          

  4. El Nino eventslong carbon-chain molecules made by some plankton

          

  5. alkenonesreflectivity of earth's surface (mostly reflected by clouds)