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Lifesaving > Bronze Beach > Flashcards

Bronze Beach Flashcards

1
Q

Definition of Tides

A

The rise and fall of the surface of the ocean

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2
Q

Cause of Tides

A

Gravitational pull of the moon and (to a lesser extent) the sun

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3
Q

Definition of Spring Tide

A

Lowest low tides and the highest high tides; the difference between them is greatest

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4
Q

Cause of Spring Tide

A

Sun, Moon and Earth are aligned

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5
Q

Definition of Neap Tide

A

Highest low tides and the lowest high tides; the difference between them is smallest

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6
Q

Cause of Neap Tide

A

Sun, Moon and Earth are out of alignment

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7
Q

Frequency of tides

A

Six hours of flood (rising tide) and six hours of ebb (falling tide); each cycle is ~12 hours

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8
Q

Definition of Cliffs

A

Vertical or near vertical rock faces on the coastline

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9
Q

Definition of Erosion

A

Gradual destruction of the cliff face by wind, rain and freeze-thaw erosion

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10
Q

Hazards of Cliffs

A

Slip, trip and fall, falling rock caused by crumbling cliffs and pathways; cut-off hazard by flooding tide

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11
Q

Definition of Offshore Winds

A

Winds blowing away from the shore and out to sea

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12
Q

Hazards of Offshore Winds

A

Bathers/inflatables can be blown out to sea; surface chop makes it difficult for people to swim to the shore

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13
Q

Examples of Man Made Structures

A

Piers, supports, sea walls, flood defences, groynes, erosion defences

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14
Q

Hazards of Man Made Structures

A

Slip, trip and fall hazard; rip currents and irregular water flow; irregular seabed composition

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15
Q

Hazards of Weevers and Rays

A

Venomous spines can pierce foot and cause pain for 2 hours, ongoing discomfort

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16
Q

Hazards of Sea Urchins

A

Spines can pierce foot and break off when stepped on

17
Q

Hazards of Jellyfish

A

Stinging cells sting upon contact with skin; range from mild tingling to very painful

18
Q

Treating Weever and Ray stings

A

Remove spines from skin; wash area with hot soapy water (CARE scald hazard); bathe area with hot water for 30 minutes; hospitalise casualty

19
Q

Treating Jellyfish and Sea Urchin stings

A

Remove tentacles from skin using first aid gloves and sticky tape; bathe whttp://www.waverley.nsw.gov.au/__data/assets/image/0008/29762/Water_safety_sign_Red_and_yellow_flag.jpgound in vinegar or sea water; apply cold packs for 5-15 minutes; hospitalise casualty

20
Q

Red and Yellow Flag

A

Swimming zone: lifeguards patrolling, safe for swimming

21
Q

Red Flag

A

No swimming: unsafe to enter water

22
Q

Black and White Chequered Flag

A

Sports zone: lifeguards patrolling, safe for water sports, swimmers should avoid

23
Q

Wind Sock

A

Offshore winds: shows direction and force of wind

Lifesaving (1 decks)

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