The Sea at Work (Leaving Cert Geography): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Swash
Swash
Water carried up beach after wave breaks
Backwash
Backwash
Water flowing back down beach to sea
Backshore
Backshore
Beach area above high tide level
Foreshore
Foreshore
Lower section of beach next to water
How waves are created
How waves are created
Friction between wind and sea
Fetch
Fetch
Size of ocean the wind blows over
Crest
Crest
Top of the wave
Trough
Trough
Bottom of the wave
Constructive waves: swash vs backwash
Constructive waves: swash vs backwash
Swash stronger than backwash
Constructive waves: when most common
Constructive waves: when most common
Summer time
Destructive waves: swash vs backwash
Destructive waves: swash vs backwash
Backwash stronger than swash
Destructive waves: when most common
Destructive waves: when most common
Winter time
Wave refraction
Wave refraction
Waves bend & change direction as they approach shore
Wave refraction: where erosion occurs
Wave refraction: where erosion occurs
On the headland
Wave refraction: where deposition occurs
Wave refraction: where deposition occurs
In the bays