Understanding Coastal Processes and Management

Which of the following human activities can lead to increased coastal erosion?

• Building sea walls

• Dredging of sand for construction

• Planting mangroves

• Establishing marine reserves

What is the primary component of the coastal system that involves the movement of sediment along the coast?

• Longshore drift

• Tidal range

• Wave refraction

• Beach nourishment

Which type of rock is most resistant to coastal erosion?

• Limestone

• Sandstone

• Granite

• Shale

What is the process called when waves break down rock and sediment on the coast?

• Deposition

• Erosion

• Transportation

• Weathering

Which of the following is a depositional landform found at the coast?

• Cliff

• Spit

• Arch

• Stack

What type of weathering includes processes such as carbonation and oxidation?

• Chemical weathering

• Biological weathering

• Physical weathering

• Mass movement

Which process is responsible for the movement of sediment parallel to the shoreline?

• Hydraulic action

• Saltation

• Longshore drift

• Solution

What is the main purpose of groynes in coastal management?

• To prevent flooding

• To stop longshore drift

• To enhance wave energy

• To promote erosion

Which landform is created by the submergence of a glaciated valley due to sea level rise?

• Fjord

• Ria

• Tombolo

• Barrier island

What is the term for the downward movement of rock and soil on a slope?

• Erosion

• Deposition

• Mass movement

• Weathering