河流洪災及其影響：練習題

Within a meandering river channel, where is a point bar (slip-off slope) typically located?

In the context of the groundwater system, which statement best defines the water table?

A river is calculated to have a 50-year flood recurrence interval. What is the statistical probability of a flood of this magnitude occurring in any single year?

Which of the following is an example of a soft engineering strategy for flood prevention?

In the drainage basin hydrological cycle, how is channel storage distinct from surface water storage?

Define the term throughfall as it relates to the movement of water within a drainage basin system.

Briefly describe the process of sedimentation that leads to the formation of natural levées during flood events.

Explain how deforestation leads to a decrease in baseflow while simultaneously increasing the peak discharge shown on a storm hydrograph.

Briefly describe the processes of throughfall and stemflow, and explain how they facilitate the movement of water from the canopy to the soil surface.

Explain the formation of levées and floodplains, with specific reference to the processes of overbank flooding and vertical accretion.