Our battered coast PowerPoint Presentation

Our battered coast PowerPoint Presentation

2015-10-25 40K 40 0 0

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Waves and wind batter the coast. . In some places the waves erode the land along the coast. This high cliff has rocks that have tumbled down. . In other places the waves and wind make large sand . dunes. . ID: 171746

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Presentations text content in Our battered coast

Slide1

Our battered coast

Slide2

Waves and wind batter the coast.

Slide3

In some places the waves erode the land along the coast. This high cliff has rocks that have tumbled down.

Slide4

In other places the waves and wind make large sand

dunes.

Slide5

The safest beaches have shallow water. The waves and currents have not washed the sand away.

Slide6

This harbour has been built to protect boats from large waves and storms.

Slide7

Ports

Ports need to be built in places where they are protected from storms and big waves.

Slide8

Grasses, trees and shrubs growing on the sand dunes stops the sand from being washed or blown away.

Slide9

Plants growing along the sides of cliffs slows the erosion of rock, soil and sand.

Slide10

Erosion happens when soil, sand or rock

get moved away by water or wind. What part of this dune is eroding?

Slide11

Erosion can be natural. Storms with big waves erode the coast over a long time

making cliffs.

Slide12

We sometimes want to reduce this erosion so we build sea walls.

Slide13

We can also cause erosion by destroying the plants growing along the coast.

Slide14

Cars driven on this dune have killed the plants and the sand is eroding away.

Slide15

How will these cars parking on the beach affect the plants trying to grow in the sand?

Slide16

People have also destroyed some of the mangroves that also protect the coast. This eroding beach was once a mangrove forest.

Slide17

Can you see the erosion? The stairs have been built to stop the dune from eroding more.

Slide18

Where there is erosion

new tracks and growing more plants can help to stop the damage.

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Sensitive areas can be fenced off stopping people and animals walking on the plants.

Slide20

This sand dune is being protected by keeping people out.

Slide21

By making people go on a boardwalk, the plants have a chance to grow back.

Slide22

We can all help protect our coast by staying on the tracks.


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