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A wave is called constructive if it brings in more sand than it takes away (e.g. a weaker wave.) A wave is called destructive when it pulls away more sand that it deposits. Deposition occurs when a large amount of constructive waves reach a coast and erosion occurs when there are a large amount of destructive waves hitting a coast.

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A wave cut platform is where a platform of harder rock has been cut out by the waves while a receding cliff of softer rock is left
behind. A local example of this is the Tessellated Pavement on the Tasman Peninsula.

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Longshore drift is when waves don't directly hit the coast on a perpendicular angle but are blown over to one side by the wind. This helps in the formation of bars and spits.

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If predicted trends for wave height and wind continue, what suggested actions are needed to minimise these actions?

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If predicted trends for wave height and wind continue, what suggested actions are needed to minimise these actions?

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Some of the things that need to be done are more vegetation of coastal areas. The roods of the vegetation will help to hold the sand together a bit more and hopefully then erosion will have a slightly lesser effect.

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Wave damage is only temporary, but as storms become more frequent and more severe, coasts don't have very much time to rebuild.

The waves are becoming higher as wind is also more intense. Tasmania is one of the places in which waves are increasing the most.

Most weather forms over the water, esp. in islands such as Australia/Tasmania. The wind interacts with the oceans to regulate the world's climate. It is cooler if storms form in deeper water as water can absorb more energy from the atmosphere.

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An arch occurs when refraction focusses wave energy onto a certain point on a coast and erodes all of the rock away from underneath it. Often these can collapse to form two stacks if the bridging part of the arch collapses on itself.

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A stack or seastick is a landform consisting of a steep and often vertical column or columns of rock in the sea near a coast.

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A spit is when a peninsula of land is formed by sand being washed in a certain direction due to longshore drift.

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A tombolo is an island that is now connected to the shore because sand has been washed over by longshore drift to make a connection between the land and the water.

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A ridge of sand or shingle which forms across the mouth of a river.

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Weathering is a form of erosion. Water, ice, acids, etc are examples of agents of weathering.

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Deposition is where, by the form of wave action, sand is brought in to the beach. Smaller waves are generally more powerful at depositing, because when the waves reach the shore most of the water sinks in to the sand, leaving the sand with no backwash to take it back out to sea.

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The change in approach angle of the waves as it moves towards shore, it slows down.

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Groynes are manmade bars starting on lands and pointing out to sea on beaches, mostly in use in Europe. These mitigate the effects of longshore drift by stopping sand from moving past a certain point.

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The process by which rock or soil is gradually destroyed by natural causes throughout a period of time.

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Fetch is how much wind a wave has caught as it moves up into shallow water. Waves with a higher amount of fetch are usually more powerful and larger.