Ocean Waves and the Shore

What is erosion caused by ocean waves?

• Creating new land features along the coastline

• Wearing away and removing sediment, rocks, or land features along the coastline

• Depositing sediment and rocks along the coastline

• Causing the coastline to expand and grow

How do ocean waves contribute to the erosion of the shore?

• Ocean waves deposit sediment along the coastline, preventing erosion.

• Ocean waves have no impact on the erosion of the shore.

• Ocean waves create barriers that protect the shore from erosion.

• Ocean waves carry and transport sediment along the coastline, causing erosion.

What are some common features of erosion caused by ocean waves?

• Erosion of desert landscapes, formation of sandstorms, deposition of sand in lakes

• Wearing away of riverbanks, formation of waterfalls, deposition of sediment in lakes

• Wearing away of coastal cliffs, formation of sea caves and arches, deposition of sediment, creation of beaches and sand dunes

• Formation of mountains and valleys, creation of lakes and rivers, deposition of volcanic ash

Explain the process of wave erosion.

• Wave erosion is the process by which waves transport material from the ocean floor to the shoreline or coastal areas.

• Wave erosion is the process by which waves cause earthquakes and volcanic eruptions.

• Wave erosion is the process by which waves create new material and add it to the shoreline or coastal areas.

• Wave erosion is the process by which waves wear away and remove material from the shoreline or coastal areas.

What factors influence the rate of erosion caused by ocean waves?

• Wave energy, wave frequency, wave direction, coastal geology, and sediment availability.

• Coastal population, pollution levels, and climate change.

• Tidal range, atmospheric pressure, and ocean currents.

• Water temperature, wind speed, and marine life.

Describe the impact of wave erosion on coastal landscapes.

• Wave erosion has no impact on coastal landscapes.

• Wave erosion creates flat and smooth coastal landscapes.

• Wave erosion only affects the water and does not shape the land.

• Wave erosion shapes coastal landscapes by wearing away material and forming landforms such as cliffs, caves, and beaches.

What are some strategies to mitigate erosion caused by ocean waves?

• Dumping garbage and waste materials into the ocean to create artificial barriers.

• Building seawalls, constructing breakwaters, planting vegetation along the shoreline, and nourishing beaches with sand.

• Removing all vegetation along the shoreline and leaving it bare.

• Constructing dams, diverting rivers, and building underwater barriers.

How does wave energy affect the shape of the shoreline?

• Wave energy erodes or deposits sediment, causing changes in the coastline.

• Wave energy creates new land along the shoreline.

• Wave energy causes the shoreline to become smoother.

• Wave energy has no effect on the shape of the shoreline.

What are some long-term effects of wave erosion on coastal ecosystems?

• Preservation of habitats, coastal erosion

• Increase in beaches and coastal land

• Decrease in sedimentation and redistribution of nutrients

• Loss of beaches and coastal land, destruction of habitats, coastal erosion, alteration of coastal landscapes, increase in sedimentation and redistribution of nutrients

Discuss the relationship between wave height and erosion.

• Wave height and erosion are directly related.

• Wave height and erosion are unrelated.

• Wave height has no effect on erosion.

• Wave height and erosion are inversely related.