During a high-energy storm, which type of waves predominately affect the coastline?

Prepare for the IGCSE Coasts Exam. Utilize flashcards and multiple-choice questions, with hints and explanations for each query. Ready yourself for academic success!

Destructive waves are the correct answer because they are characterized by their high energy, which is often generated during intense storm conditions. These waves typically have a steep profile and are more powerful, leading to significant erosive action on the coastline. Their force contributes to various coastal processes, including the removal of materials from beaches and cliffs.

In contrast, constructive waves are gentler and have lower energy, primarily contributing to the building up of beaches rather than eroding them. Wind waves are generally smaller, formed by local winds rather than the strong, sustained winds associated with storms, and rogue waves, while potentially very powerful, are infrequent and not specifically tied to the regular coastline impact seen during a storm. Thus, the predominance of destructive waves during a high-energy storm illustrates their role in shaping and reshaping coastlines under such dynamic conditions.

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