Geography 130

Introduction to Physical Geography

Exam 1 Review Questions


  • What 3 gasses are most abundant in the atmosphere?
  • Describe how carbon dioxide and ozone influence radiation and temperature patterns on earth.
  • Describe the relationship between pressure and altitude in the atmosphere.
  • What are the 2 bottom-most temperature layers of the atmosphere?  How do they differ?
  • What is declination?  Solar altitude?  Insolation?
  • How many hours of day light are recieved at the equator, north pole, and south pole on June 21?  On December 21?
  • How does average annual temperature vary with latitude?  How does annual temperature range vary with latitude?
  • Roughly how much of the incoming solar radiation is absorbed by the surface of earth?
  • What is albedo?  Roughly what is the albedo of the earth as a whole?
  • How does elevation influence temperature?
  • How does the temperature of the continents compare to the oceans in summer?  In winter?
  • Name two factors, with natural or human causes, that can cause changes in average global temperatures.
  • Describe the deflection of winds due to coriolis (direction and magnitude) at the north pole, equator, and south pole.
  • How do wind speeds in the upper atmosphere compare to surface wind speeds?
  • Describe the circulation of winds around surface high and low pressure cells in each hemisphere.
  • What direction are the prevailing winds in the low latitudes (10-25)?  The middle latitudes (35-60)?  The high latitudes (70-90)?
  • Describe the typical pressure and location of the inter-tropical convergence zone, the subtropical highs, and the polar highs.
  • What is the jet stream? 
  • What causes the Asian monsoon?  When is the rainy season in southeast Asia?  When is the dry season?
  • What are gyres?  Describe the ocean currents along east coasts and west coasts of continents.
  • What is the difference between specific humidity and saturation specific humidity?
  • What is the dewpoint temperature?  Name one way of cooling an airmass to the dewpoint temperature.
  • Define relative humidity.  How does relative humidity vary when the temperature rises?  When the temperature falls?
  • Describe convective, orographic, and frontal precipitation.  Give an example of where each is common.
  • What are the main features of a midlatitude wave cylone?  Why do they occur in the middle latitudes?
  • Where do hurricanes form?  Why do they NOT form right on the equator?  Why are they NOT associated with fronts?
  • What is shown on a climograph?  What is the climatic normal?
  • Name the 3 Type A (Tropical) climates in the Koppen system.  How do they differ, and where does each occur?
  • Name the 4 Type B (Dry) climates in the Koppen system.  What is the difference between desert and steppe?
  • What causes subtropical deserts (type B)?  What causes midlatitude deserts (type B)?
  • Name the 3 Type C (Mild Midlatitude) climates in the Koppen system.  How do they differ, and where does each occur?
  • Name the 2 Type D (Severe Midlatitude) climates in the Koppen system.  How do they differ, and where does each occur?
  • Name the 2 Type E (Polar) climates in the Koppen system.  How do they differ, and where does each occur?
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