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5 Written questions

5 Matching questions

  1. Thermal equator?
  2. How is air pressure measured?
  3. Isotach?
  4. Explain air pressure tendency.
  5. What does primary circulation in the atmosphere entail?
  1. a An isoline connecting all points of highest mean temperature.
  2. b 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.
  3. c 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.
  4. d Equal wind speed.
  5. e Primary circulation entails global circulation - the mass movement of air all over the globe.

5 Multiple choice questions

  1. The ITCZ stands for the Intertropical Convergence Zone, which is the area along the equator where a discontinuous series of thunderstorms occurs, due to the uplift caused by the convergence of winds and solar heating of the ground along the equator.
  2. The Subtropical High Pressure area consists of Westerlies, the Bermuda High, the Azores High, and the Pacific High.

  3. The four major pressure areas on Earth are the Equatorial Low (warm, wet 10 degrees N/S), Polar High (cold, dry 90 N/S), Subtropical High (hot, dry 20-35 N/S), and the Subpolar Low (cool, wet 60 N/S).
  4. Secondary circulation consists of the migration of high and low pressure cells. Major pressure cells move from high pressures to lower pressures, bringing with them fluctuations of temperature and moisture, causing climate.

  5. Land-sea breezes are driven by the thermal inertia of water. When land and sea receive the same amount of insolation, the land heats up faster than the water. This temperature gradient causes winds to blow. At night, radiational cooling cools the land faster than the water so that the temperature gradient makes a wind blow from land to sea. These breezes also occur for large bodies of water, such as the Great Lakes.

5 True/False questions

  1. Isoheight or contour line is what?Equal elevation.

          

  2. What are Trade Winds?Doldrums refers to a broad east-west belt of light winds that occur along the equator where the Trade Winds from the northern and southern hemispheres converge.

          

  3. What are the rules for isopleths?Isopleths must be continuous and cannot intersect other isopleths. All values above the isopleth should be on one side of the line and all values below an isopleth should be on the other side of the isopleth. The position of the isopleth should be interpolated in between points of known data. They should choose a contour interval and start at an area of high or low values.

          

  4. What are doldrums?Doldrums refers to a broad east-west belt of light winds that occur along the equator where the Trade Winds from the northern and southern hemispheres converge.

          

  5. Isotherms are equal to what?An isoline connecting all points of highest mean temperature.

          

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