Geography Beach Investigation methodology

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Kevin Pontonnier        Geography Internal Assessment

Methodology:

Before doing carrying out the experiment, please read “safety and regulations” by “Hong Kong government Health & safety” on

Wave Heights:

To calculate the wave height, a metric ruler is needed. The student will have to go into the water, far enough to measure a wave, but close enough for safety reasons. The metric ruler will be placed where it will be touching the beach floor, and as the wave passes, he/she will measure the height of the crest and the height of the trough marking the two measurements on the ruler. The ideal method is to, when the wave passes, mark with your hands the top and bottom of the wave, then subtract the trough from the crest, which will give you the difference in height. This processed data will be used to calculate the wave energy.

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Beach profile:

Place a measuring tape vertically along the beach. Two students of similar height are required for this. One of them should stand at the top end of the tape while the other is at the bottom end (should be where the water and sand meet). Here, the bottom student will use a clinometer. With the clinometer, aim the sight towards the eyes of the upper student and release the trigger. Read and record the angle found. Now move 10 meters to the left and right from the original position, and repeat process.

Beach material analysis:

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