Question

Instead of using a base flood elevation, some shallow flooding areas are defined using a base flood _______.

1) Level
2) Depth
3) Volume
4) Velocity

Answer 1

In shallow flooding areas, a base flood depth is used instead of a base flood elevation.

Step-by-step explanation:

In shallow flooding areas, instead of using a base flood elevation, a base flood depth is used to define the area. This means that the flood level is measured in terms of how deep the water is, rather than its elevation above a specific point.