FEMA 480 Unit 1 - Floods & Floodplain
Management Exam Questions With
Complete Solutions
/. What are the three categories of floods? - Answer-Riverine, coastal, and shallow
flooding
/.Riverine Flooding - Answer-flooding that occurs along a channel
/.What is the most common type of flooding in the United States? - Answer-overbank
flooding
/.Causes of flash flooding - Answer-dam failure, the release of ice-jam flooding, speed
runoff from developed areas
/.What type of flooding is the cause of the most flood-related deaths in the US? -
Answer-Flash Flooding
/.thalweg - Answer-channel bottom
/.meander - Answer-curve in a channel
/.On which side of the meander are the banks subject to erosion? - Answer-the outside
of the bend
/.On which side of the meander are areas subject to receive deposits of sand and
sediment transferred from eroded sites? - Answer-the inside of the bend
/.On which side of a meander are properties at risk of inundation and undercutting from
riverine erosion during floods? - Answer-the outside of curves
/.What coastal flooding risk does developments near the Pacific and Caribbean coasts
face that developments along the Gulf of Mexico and large lakes do not? - Answer-
tsunamis
/.What causes a storm surge? - Answer-persistent high winds and changes in air
pressure that push water toward the shore
/.accrete - Answer-grow by accumulation or coalescence
Management Exam Questions With
Complete Solutions
/. What are the three categories of floods? - Answer-Riverine, coastal, and shallow
flooding
/.Riverine Flooding - Answer-flooding that occurs along a channel
/.What is the most common type of flooding in the United States? - Answer-overbank
flooding
/.Causes of flash flooding - Answer-dam failure, the release of ice-jam flooding, speed
runoff from developed areas
/.What type of flooding is the cause of the most flood-related deaths in the US? -
Answer-Flash Flooding
/.thalweg - Answer-channel bottom
/.meander - Answer-curve in a channel
/.On which side of the meander are the banks subject to erosion? - Answer-the outside
of the bend
/.On which side of the meander are areas subject to receive deposits of sand and
sediment transferred from eroded sites? - Answer-the inside of the bend
/.On which side of a meander are properties at risk of inundation and undercutting from
riverine erosion during floods? - Answer-the outside of curves
/.What coastal flooding risk does developments near the Pacific and Caribbean coasts
face that developments along the Gulf of Mexico and large lakes do not? - Answer-
tsunamis
/.What causes a storm surge? - Answer-persistent high winds and changes in air
pressure that push water toward the shore
/.accrete - Answer-grow by accumulation or coalescence
