Physical and human challenges to the coastal environment：練習問題

What is the primary characteristic of destructive waves in a coastal environment?

Which of the following is a defining characteristic of a drift-aligned beach?

In coastal management, "terminal groyne syndrome" occurs when the construction of a groyne field causes which of the following impacts?

Which type of coral reef is directly attached to the shore of a volcanic island with no lagoon between the reef and the land?

Which of the following best describes the conditions under which a swash-aligned beach typically forms in a coastal environment?

Define the process of attrition and explain its effect on the particle size of coastal sediment as it moves along the shore.

In a diagram showing the development of a spit, explain how longshore drift and energy loss at a coastline bend lead to deposition.

Explain how ridge and runnel systems develop on a beach through the interaction of swash-backwash and a large tidal range.

Describe the sequence of marine erosion processes that lead to the formation of a stack from a headland. In your response, explain the specific roles of hydraulic action and abrasion in the transition from a sea cave to an arch, and finally to a stack.

(a) State the specific environmental conditions required for the healthy growth and distribution of coral reefs.
(b) To what extent does sea-level rise resulting from global warming pose a more significant threat to the survival of atolls than localized human impacts such as pollution or destructive fishing practices?