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5 Written questions

5 Matching questions

  1. Isohyet?
  2. What four factors affect atmospheric circulation?
  3. Describe friction forces.
  4. How is air pressure measured?
  5. Describe the Subpolar Low Pressure area.
  1. a The Subpolar Low Pressure area consists of the Aleutian Low, the Icelandic Low, and the Polar Front.
  2. b The four factors that affect atmospheric circulation are as follows: the Coriolis Effect, gravity, friction forces, and changes in air pressure.
  3. c Equal rainfall.
  4. d
    Friction forces drag winds as they move across various surfaces. This effect decreases with height above a surface, and causes air spiraling out of a high pressure cell to turn clockwise (anticyclone). Air spiraling out of a low pressure cell turns counter-clockwise (cyclone). NOTE that in the Southern Hemisphere, this effect is in reverse: high pressures produce cyclones, and low pressures produce anticyclones.
  5. e A barometer can measure changes in air pressure. The two types of barometers are the mercurial barometer, which is more accurate but less easily transportable, and the aneroid barometer, which is less accurate but more portable.

5 Multiple choice questions

  1. Air pressure tendency is important, along with the air pressure reading on a barometer. Falling air pressure, which corresponds to a decrease in the length of mercury in the column on a mercurial barometer, generally indicates stormy weather.
  2. Equal wind speed.
  3. Low pressure cells tend to ascend and converge.
  4. Equal temperature.
  5. Tertiary circulation is the movement of local high and low pressure cells, and parcels of air will cause local weather patterns, such as the weather patterns of a coastal city that is influenced by the body of water nearby.

5 True/False questions

  1. What does primary circulation in the atmosphere entail?Tertiary circulation is the movement of local high and low pressure cells, and parcels of air will cause local weather patterns, such as the weather patterns of a coastal city that is influenced by the body of water nearby.

          

  2. Isoheight or contour line is what?Equal temperature.

          

  3. Describe the Coriolis Effect.
    The Coriolis Effect deflects winds fro ma straight line in relation to the Earth's rotating surface. Earth's rotation adds the Coriolis Effects and a "twist" to air movements. In the Northern Hemisphere, winds are deflected to the right, or the east. In the Southern Hemisphere, winds are deflected to the left, or the west.

          

  4. Describe the Equatorial Low Pressure.The Subpolar Low Pressure area consists of the Aleutian Low, the Icelandic Low, and the Polar Front.

          

  5. What do high pressure cells tend to do?Low pressure cells tend to ascend and converge.

          

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