Certified Floodplain Manager Prep

33 cards   |   Total Attempts: 192
  

Cards In This Set

Front Back
Which types of flood occur in your community?
Riverine and shallow flooding
What are the three most common types of flooding?
a.Coastal flooding b.Riverine flooding c.Shallow
Which type of flooding has accounted for the most flood-related deaths in recent years?
Flash flooding
Question 4
What two problems result from floodplain development?
Answer 4
  1. Development in the floodplain alters floodplain and the dynamics of flooding
  2. Buildings and infrastructure are damaged by periodic flooding
Question 5
What does watershed development do to flooding?
Answer 5
It increases impervious surface results in increase of runoff and higher flood levels
Question 6
What is one of the problems with constructing seawalls to protect building from flood levels?
Answer 6
It can accelerate erosion on the properties at the ed of the wall
Question 7
What are the five (5) main causes of flood damage?
Answer 7
  1. Hydrodynamic Forces
  2. Debris Impact
  3. Hydrodynamic Forces
  4. Soaking
  5. Sediment and contaminates
Question 8
Standing water as little as __' can collapse the walls of a frame house
Answer 8
Three (3) feet
Question 9
What are some of the safety and health hazards that accompany floods?
Answer 9
  1. Disruption of public services
  2. Electrocution
  3. Contamination of water supply
  4. Fire
  5. Mild, mildew and bacteria that grows in damp, flooded areas
  6. Contaminated air from dirty ducts
Question 10
Prior to the 1960s, what was the primary way to reduce flood loss?
Answer 10
Structural flood control projects
Question 11
What are the two primary goals of floodplain management?
Answer 11
  1. To reduce the loos of life, disruption and damage caused by floods
  2. To preserve and restore the natural resources and functions of floodplain
Question 12
What areas are conductive to flash flooding?
Answer 12
  • Hilly areas with steep slopes
  • Urban areas with large number of impervious surface and storm systems
    • Areas downstream of dams or subject ice jams
Question 13
Is erosion only a threat in coastal areas?
Answer 13
No, riverine erosion can move streams channels and undercut structures
Question 14
What does filling in a floodplain do?
Answer 14
Filling in a floodplain reduces the ability to store excess water, sending more water downstream and causing flood to rise to higher levels
Question 15
What is the Unified National Program for Floodplain Management's four (4) main floodplain management strategies?
Answer 15
  1. Modify human susceptibility to flood damage
  2. Modify the impacts of flooding
  3. Modify flooding itself
  4. Preserve and restore natural resources