Coastal Protection Methods Quiz

Which of the following methods of coastal protection involves adding of sand and water mixtures to prevent erosion?

• breakwaters

• beach nourishment

• sandbags

• seawalls

Which of the following are placed along coasts to lessen the impact of storm surges or waves in cases of emergencies?

• sandbags

• artificial seaweeds

• breakwaters

• seawalls

Which of the following are the methods that help in coping with saltwater intrusion?

I. artificial recharges

II. monitoring and assessment

III. regulations

IV. mining activities

• I and II only

• I, II and III

• II, III and IV

• II and IV

Which of the following methods prevents saltwater intrusion?

• use of artificial seaweed

• injection of freshwater to reservoirs

• construction of seawalls

• pumping out groundwater

Which of the following best describes how seawalls protect coasts?

• Seawalls promote the creation of waves.

• Seawalls weaken the waves to lessen their impact.

• Seawalls are not effective against waves.

• Seawalls stop waves from hitting the shore.

Which of the following structures can initiate sand build-up on coasts?

• jetties

• breakwater

• sandbags

• seawalls

Which of the following is best to be included in making legislation that will protect the coasts?

• Infrastructures must be built on a certain distance from the coasts to prevent erosion and saltwater intrusion.

• Infrastructure must not be built near coasts at all. Only rural buildings are allowed.

• Infrastructures must be built along coasts to prevent the occurrence of waves.

• Infrastructures must be made of heavy materials to withstand waves and storm surges.

Which of the following is the most practical way of preventing coastal erosion?

• building of breakwaters

• preservation of vegetation along coasts

• construction of a seawall

• enforcing sandbags every time there is an incoming wave

Which of the following best describes how monitoring and assessment of coasts help in coping with the effects of coastal processes?

• Monitoring and assessment provide adequate equipment for the construction of physical barriers against waves and storm surges.

• Monitoring and assessment provide people with relevant data for them to plan special ways of coping with erosion, submersion, and saltwater intrusion.

• Monitoring and assessment have no significance with creating ways of coping with the effects of coastal processes.

• Monitoring and assessment provide a visual picture of the aftermath of different coastal processes in coastal areas.

_______can be constructed along coasts to prevent further advancement of saltwater if already present