Coastal landscapes in the UK Which one of the following is a process of erosion in coastal areas? Shade one circle only - AQA - GCSE Geography - Question 3 - 2023 - Paper 1

One type of weathering that occurs in coastal areas is chemical weathering, which includes processes such as the reaction of seawater with minerals in rocks, leading to their breakdown.

The correct answer is B. 2.75 km. This is the measured distance indicated on the map.

1. The presence of cliff erosion observed in Figure 12 indicates that coastal erosion is actively shaping the landscape.
2. The accumulation of eroded materials offshore, such as sediment observed in Figure 11, suggests that material is constantly being removed from the land.

Spits and bars form due to the accumulation of sediment as a result of longshore drift and wave action. As waves approach the coast at an angle, they carry sediment parallel to the shoreline. When the wave energy decreases, such as in sheltered areas or bays, the sediment is deposited. Over time, this accumulation can extend out into the sea, creating a spit. Similarly, when a spit grows long enough to connect with another landmass, it can form a bar.

Hard engineering strategies include sea walls, groins, and rock armor. Benefits: They effectively protect the coastline from erosion and reduce the impact of storm surges. For example, sea walls provide a strong barrier against wave action. Costs: However, they can be expensive to construct and maintain, and they may lead to increased erosion in surrounding areas due to the disruption of natural processes. Over time, this can result in a need for additional measures, leading to ongoing costs.