Longshore Drift and GroynesHow do groynes prevent longshore drift? TKSDi: Saksham Yadav Drift and Groynes Along the CoastIntroductionObjective: To determine how groynes prevent drift along the coast. The problem: Longshore drift affects sediment deposition and erosion. Waves erode the coast and carry the eroded material along the coast. Over time, the material will settle on a beach or form a larger structure like a skewer. Groynes are structures built at equal intervals along the coast. Their purpose is to limit drift along the coast, preventing coastal erosion. Figure 1 - Google Maps Location information: The location of the study area is Silver Beach on the Kurnell Peninsula, near Cronulla. It is located in the Sutherland Shire, south of Sydney's Central Business District (CBD) and just south of Kingsford Smith International Airport. The area also has historical significance as it is close to the landing site of Captain James Cook on 28 April 1770 at Botany Bay. Figure 2 - Close up of the study area, Silver Beach is located right on the border of Captain Cook Drive Figure 3 - Captain Cook Monument, taken by Saksham Yadav on 25/2/14 in Botany Bay Importance of the problem: The drift along coasting is a process by which sediments are transported from one place to another. When this process occurs, beaches, spit and sandbars build up over time. If the drift process along the coast is altered by factors such as stronger winds and currents, beach erosion begins at a faster rate and this can cause many serious problems. The main stakeholders in coastal drifting are resort owners. They rely on people visiting their resorts and enjoying the beach. However, if coastal drift erodes half of the map, consider some ideas on what can be done to further improve management of the coastal problem. Using the Research Action Plan, I aim to gain a sophisticated understanding of coastal drift, coastal management and implementation of coastal issues, through the Research Action Plan. Most importantly, I will include various diagrams explaining how the coastal drift process occurs and what implementations it has on coastal environments, accompanied by an explanation of how the problem is managed, a detailed description of the geographic processes involved and a discussion of the impacts of the problem and why it is important. Figure 6 - How coastal drifting works (short). Source: Course work image (originally from Google Images) Key findings Accompanied by detailed insights into the problem Geographic processes involved in longshore drift: Bibliography