Physical Landscape EQ2 Flashcards
(27 cards)
What is an Arch?
A rock formation created by erosion
What is Backwash?
The movement of water down the beach
What is a Bay?
A low lying inlet of land on the coast
What is a Beach?
A gentle slope of land bordering a large body of water that consists of materials such as sand, pebbles or rocks
What is a Concordant coast?
A coastline with the same type of rock along its length
What is a Constructive wave?
Waves which help build up material on the beach. They tend to have a low frequency and strong swash
What is Deposition?
When materials is deposited or left behind, e.g when a river loses it energy and is unable to carry its load any further, or waves move sand onto a beach but lack the energy to carry it away
What is a Destructive wave?
Waves which remove material from the beach,. The swash is weaker than the backwash
What is a Discordant wave?
A coastline with different bands of rock, causing headlands and bays
What is Erosion?
The wearing away of pieces of rock, soil or other solid materials
What is Fetch?
How far a wave has travelled
What is a Hard rock coast?
A coastline made of hard rock making it harder to erode
What is a Headland?
A high area of land that extends out into the sea
What is Longshore drift?
The movement of material along a coastline due to the angles approach of waves
What is Mass movement?
A large scale downward movement of rocks and material
What is a Soft rock coast?
A coastline made of soft rock making it easier to erode
What is Spit?
A stretch of beach at one end of a coastline caused by waves depositing material
What is a Stack?
A landform consisting of a steep and a vertical column of rock
What is Swash?
The water flowing towards a beach when a wave breaks
What is a Stump?
A stack which has collapsed only leaving the base
What is Weathering
The breaking down of rocks on site by the action of weather, plants, animals and chemical processes
What is a Landslide?
When the rocks on the side of a steep slope gives awat
What is Rockfall?
Rocks falling freely from a cliff face
What is a Joint?
A brittle fracture surface in rocks along which little or no displacement has occured