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Data required for a coastal investigation- measuring methods.

  • Essay length: 296 words
  • Submitted: 04/11/2009
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GCSE Physical Geography

The first 200 words of this essay...

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.

- Meter stick

- Timer

Wave frequency

To establish whether waves were constructive or destructive as this determines erosion rates.

Counting the waves breaking and timing a minute whilst counting

You may lose count of the waves at breaking point

- Timer

Weather conditions

To find out the wind speed in km/h.

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

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