Which is NOT a type of early warning system for debris flows?
a. trip wires
b. acoustic flow monitors
c. sirens
d. weather alerts for increased hazard conditions
e. alluvial fan monitors
Question 2
Which factor does NOT influence the hazard potential of a failing dam?
a. the populations distance downstream
b. the amount of upstream erosion
c. the valley topography
d. the height of the dam
e. the volume of water released