Coastal Landforms

What is the process by which coastal landforms are shaped by the action of waves, currents, and tides?

• Mountain formation

• Desertification

• Glacial melting

• Coastal erosion

Name one erosional landform formed by the action of waves and currents.

• Sea arch

• Desert

• Volcano

• Mountain

How are depositional landforms different from erosional landforms?

• Depositional landforms are formed by wind, water, or ice, while erosional landforms are created by the accumulation of sediment

• Depositional landforms are smaller in size compared to erosional landforms

• Depositional landforms are created by the accumulation of sediment, while erosional landforms are formed by the removal of material by wind, water, or ice.

• Depositional landforms are always found in mountainous regions, while erosional landforms are found in flat areas

Name one example of a coastal depositional landform.

• One example of a coastal depositional landform is a beach.

• Canyon

• Desert

• Mountain

What are the factors that contribute to the formation of coastal arches?

• Volcanic eruptions

• Tectonic plate movement

• Erosion by waves, wind, and water, as well as the composition of the rock and geological processes, contribute to the formation of coastal arches.

• Human construction

Describe the process of longshore drift and its role in shaping coastal landforms.

• Longshore drift is the process of sediment being transported along the coastline by the movement of waves and currents. This sediment is then deposited to form features such as spits, bars, and beaches, which shape the coastal landforms.

• Longshore drift is the process of sediment being transported by wind

• Longshore drift is caused by volcanic activity

• Longshore drift is a result of gravitational pull

What are the main agents of erosion in coastal areas?

• Volcanic eruptions, earthquakes, and landslides

• Glaciers, icebergs, and ice shelves

• Wind, rain, and snow

• The main agents of erosion in coastal areas are waves, tides, and currents.

How do coastal landforms contribute to the protection of coastal areas from erosion and flooding?

• Coastal landforms contribute to erosion and flooding by directing wave energy towards coastal areas.

• Coastal landforms such as beaches, dunes, and barrier islands act as natural barriers that absorb wave energy and reduce the impact of storms, thus protecting coastal areas from erosion and flooding.

• Coastal landforms contribute to erosion and flooding by amplifying wave energy and increasing the impact of storms.

• Coastal landforms have no impact on the protection of coastal areas from erosion and flooding.