Surf/ Surf Awareness Flashcards
Swell conditions 3 factors
Intensity of wind
Time of wind
Distance of wind
Plunging waves
Break with tremendous force. Break in shallow water and low tides increase these waves.
Spilling waves
Occur when the crest (top) of the wave stumbles down the waves. Safest wave
Surging waves
May never actually break as they approach the shore. Very dangerous wave
Parts of the wave Top Behind Front Surface
Lip
Crest
Face
Trough
Why do waves break
Formed by the wind blowing across the surface of the ocean. When the sea floor is shallow enough the wave will break.
What is a littoral current
It enters through the base of the rip
Rip: what + signs
A body of water moving out to sea. Discoloured water Foam on the surface Waves breaking out on both sides of the rip Floating seaweed
Board rescue
Grab board and swim out to patient. Talk to patient and let them hold onto the board. Roll them on and face the shore. Paddle back in. You are at the front they are at the back.
Tube rescue
Attach tube to yourself and swim out to patient. Give tube to person then go behind them to clip it. Swim to shore.
Rips permanent
Will remain the same area for months or even years
Rips fixed
Accompanied by a hole or gully on the base of the ocean floor. May remain for hours or months
Rips flash
Temporary in nature, they appear suddenly without warning
Rips travelling
A rip that is propelled along the beach by a strong current
Spring tide
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