Outline for Test 3

  1. Risk= probability of hazardous event multiplied by the cost if that event happens
    1. Probabilities
      1. historical data
      2. measurements and models of the physical system
    2. Costs
      1. destruction
      2. death
  2. Earthquakes
    1. processes and measurements
    2. hazards
  3. Volcanoes
    1. precursor events
    2. hazards
  4. Coastal hazards
    1. beach restoration
    2. sea level changes
    3. coastal wetlands and estuaries
    4. glaciation and absolute sea level
  5. Streams and floods
    1. Basins and divides
    2. Changes from head to mouth
    3. Processes and form
    4. Flood causes

Key idea: To keep humans and the Earth safer, we must way the hazards and their potential costs and decide how to focus our resources.