Depositional landforms (beach)

Question 1

Beach

Answer 1

A depositional landform where material of varying tide has been deposited, formed by constructive waves

Question 2

Inputs

Answer 2

Erosion, weathering, rivers

Question 3

Store

Answer 3

Beach

Question 4

Outputs

Answer 4

Destructive waves

Question 5

Flows

Answer 5

Longshore drift, tides, wave refraction, traction, saltation, suspension, solution

Question 6

Accretion

Answer 6

More input than output

Question 7

Excavation

Answer 7

More output than input

Question 8

Swash-aligned

Answer 8

Waves parallel to shore, low energy, often crescent shaped between two headlands

Question 9

Drift-aligned

Answer 9

Waves at an angle to shore, graded sediment, longshore drift, often spits

Question 10

Storm beach

Answer 10

Ridge from largest waves throwing big boulders above normal high tide

Question 11

Berm

Answer 11

Series of ridges built by constructive waves (less in Winter) as high tide lower

Question 12

Cusps

Answer 12

Semi-circular depressions formed when waves break directly onto beach, strong swash and backwash

Question 13

Ripples

Answer 13

Marks on sand from wave action and tidal currents

Question 14

Runnels

Answer 14

Water filled troughs the water moves through and ridges

Question 15

Ridge

Answer 15

Raised sediment area

Question 16

Rip channel

Answer 16

Water channel causing a breached ridge

Question 17

Offshore bar

Answer 17

Raised sediment area below low tide