+
Related Flashcards
Cards In This Set
| Front | Back |
|
What are the three most common types of flooding?
|
RiverineCoastalShallow
|
|
Which type of flooding has accounted for the most flood-related deaths in recent history?
|
Flash Flooding
|
|
What is a "Meander?"
|
It is a curve or turn in a river channel.
|
|
What is the major cause of coastal flooding?
|
Storm Surge
|
|
What causes a tsunami?
|
Underwater earthquakes or volcanoes
|
|
List five types of special flood hazards?
|
Closed Basin Lakes; Uncertain flow paths; Dam Breaks; Ice Jams; Mudflows
|
|
List three benefits that floodplains, in a relatively undisturbed condition, actually contribute or could contribute to your community.
|
Natural Flood and Erosion Control; Biologic Resources and functions; Societal resources and functions
|
|
What two problems result from floodplain development?
|
Development alters the floodplain and the dynamics of flooding; Buildings and infrastructure are damaged by periodic flooding.
|
|
What does watershed development do to flooding?
|
The increase in impervious surface results in increased runoff and higher flood levels.
|
|
What is one of the problems with constructing seawalls to protect buildings from flooding or erosion?
|
It can accelerate erosion on properties at the end of the wall.
|
|
What are the five main causes of flood damage?
|
Hydrodynamic Forces; Debris Impact; Hydrostatic Forces; Soaking; Sediment and Contaminants
|
|
Standing water as little as ____ feet deep can collapse the walls of a frame house.
|
Three
|
|
What are some of the safety and health hazards that accompany floods?
|
Disruption of Public Utilities; Electrocution; Contamination of Water Supplies; Fire; Animal carcasses, garbage and ponds that can become breeding grounds for germs and mosquitoes; Mold, mildew and bacteria that grow in damp, flooded areas; Contaminated air from dirty heating ducts; Stress and mental health problems.
|
|
Prior to the 1960's what was the primary way to reduce flood losses?
|
Structural flood control projects
|
|
What is the Unified National Program for Floodplain Management's definition of "floodplain management?"
|
"A decision-making process that aims to achieve the wise use of the nation's floodplains."
|
