Data required for a coastal investigation- measuring methods.

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Introduction

Data required Reasons Technique Limitations Equipment Wave Height To establish whether waves were constructive or destructive as this determines erosion rates. Measuring the height by going into the sea with a meter stick and measuring the waves when they have broke, You may measure waves breaking at different point in the sea.

Middle

Holding up an anometre in the rough direction of the wind. You may not have the anometre pointing in the right direction. - Anometre Long shore drift To find out which way the long shore drift was moving on the day. This determines how the coastal erosion happens because higher long shore drift the more powerful the waves are By placing a golf ball in the sea and measuring how far it has drifted every minute.

Conclusion

This will show that the waves Use ranging poles to measure the shape and height of the beach. Sometimes the beach might have dips and holes in it, this will affect the results. - ranging poles Wind direction This determines the fetch and consequently the amount of energy has. It also shows the wave height as stronger wind the more powerful wave. Watching which way the flags were flying through out different beaches Not very accurate because we didn't use a compass Nothing

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