key words Flashcards
aftershock
Smaller earthquakes that occur in the same area of a larger earthquake
backwash
The movement of water down a beach by gravity
beach replenishment
Building up the beach by pumping sand or shingle onto it
Catchment Flood Management plans (CFMP)
Plans setting out strategies to reduce flood risks in a river basin over 5-100 years
Consolidated rock
Rock with a strong structure
Constructive wave
Waves that build up a beach
Destructive wave
Waves that erode a coastline
Dredging
taking sediment from a river or sea bed
Erosion
The wearing a way of rocks by the action of water, wind or ice
evaporation
Water turning into water vapour
Evapotranspiration
the sum of evaporation from the earth surface and transpiration from plants
Fault line
a fracture in the earth’s crust that shows signs of movement
flood plain
flat area next to a river
Freeze-thaw
the continued freezing and thawing of moisture in rocks that will eventually cause them to break
Geology
the nature and structure of rocks
Groyne
wooden or concrete construction built across a beach
Hard engineering
use of concrete barriers to control water
Hurricane
a violent tropical storm in the Caribbean region
Impermeable
a Surface that does not allow water to pass through it