Floodplain Management (Exam 4)
Questions and Answers
Floodplain - Correct Answers -any land area susceptible to being inundated by
floodwaters from any source
Floodplain management - Correct Answers -A decision making process that aims to
achieve wise use of the nation's floodplain (FEMA)
11 - Correct Answers -How many named systems strike the Atlantic basin a year (on
average)?
coastal/tidal - Correct Answers -what type of flooding occurs due to hurricanes or other
major storms?
Riverine/backwater - Correct Answers -Flooding caused by exceptional rainfalls, spring
thawing, and inability of stream channel to accommodate runoff from its watershed
fertile - Correct Answers -Floodplains normally have ___ soils
surface runoff - Correct Answers -urban development has increased ___ ___ which
increases potential hazards in a floodplain
splays - Correct Answers -when a natural levees breaks and releases water to
floodplain
natural levee - Correct Answers -created when floods deposit sand and gravel to form
ridges along river bank
backwater swamps - Correct Answers -wetlands formed when waters recede and water
is retained behind natural levee
ecotone - Correct Answers -blending point b/t ecosystems
headwaters zone - Correct Answers -even if only a little slope, highest spot of a river or
stream system
Questions and Answers
Floodplain - Correct Answers -any land area susceptible to being inundated by
floodwaters from any source
Floodplain management - Correct Answers -A decision making process that aims to
achieve wise use of the nation's floodplain (FEMA)
11 - Correct Answers -How many named systems strike the Atlantic basin a year (on
average)?
coastal/tidal - Correct Answers -what type of flooding occurs due to hurricanes or other
major storms?
Riverine/backwater - Correct Answers -Flooding caused by exceptional rainfalls, spring
thawing, and inability of stream channel to accommodate runoff from its watershed
fertile - Correct Answers -Floodplains normally have ___ soils
surface runoff - Correct Answers -urban development has increased ___ ___ which
increases potential hazards in a floodplain
splays - Correct Answers -when a natural levees breaks and releases water to
floodplain
natural levee - Correct Answers -created when floods deposit sand and gravel to form
ridges along river bank
backwater swamps - Correct Answers -wetlands formed when waters recede and water
is retained behind natural levee
ecotone - Correct Answers -blending point b/t ecosystems
headwaters zone - Correct Answers -even if only a little slope, highest spot of a river or
stream system