Geology-Chapter 10

Front 1

serious coastal hazards

Back 1

rip currents generated in surf zone, coastal erosion, tsunamis, tropical cyclones (hurricanes, typhoons)

Front 2

size of waves depends on

Back 2

velocity of wind, wind duration, fetch (distance wind blows across surface)

Front 3

swell

Back 3

wave groups generated by storms far out at sea

Front 4

refraction

Back 4

bending of wave front

Front 5

beach

Back 5

landform consisting of loose material, such as sand or gravel, that has accumulated by wave action at the shoreline

Front 6

longshore sediment transport

Back 6

process that transports sand along beach

Front 7

2 components of longshore ST

Back 7

1. sand is transported along coast w/ longshore current in surf zone
2. up-and-back movements of sand in swash zone causes sand to move along beach in a zigzag path

Front 8

rip currents

Back 8

narrow zones of water from series of large waves on beach that piles water up on shore. (water doesnt return as it came in)

Front 9

beach budget

Back 9

comparing coastal erosion/transport of sediment with bank account

Front 10

seacliff

Back 10

steep bluff or cliff