Geography- Types Of Waves Flashcards Preview

Grade 9 November Exams > Geography- Types Of Waves > Flashcards

Flashcards in Geography- Types Of Waves Deck (11):
1

Constructive

Created in calm weather and are less powerful than destructive waves.
Break on the shore and deposit material, building up beaches.

2

Destructive

Created in storm conditions.
Created from big, strong waves when the wind s powerful and has been blowing for a long time.
Occur when the wave energy is high and the wave has travelled over a long fetch.
Tend to erode the coast.

3

Wave height

Low
High

4

Wave steepness

Gentle
Steep

5

Wave length

Long
Short

6

Wave period

Long
Short

7

Frequency per min

6-8
12-14

8

Energy

Low
High

9

Beach gradient

Gentle
Steep

10

Strong swash or backwash

Swash
Backwash

11

Associated weather

Fair
Stormy

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