Landforms Of Deposition Flashcards
What is the primary concern regarding coastal erosion?
It puts homes and businesses at risk
What are two common solutions to protect against coastal erosion?
- Sea walls
- Rock armor
What is the term for the movement of sediment along the coast?
Longshore drift
What is a disadvantage of coastal management solutions?
They can be expensive and require heavy machinery
Fill in the blank: The process of waves breaking down rocks is called _______.
Abrasion
What is the term for the accumulation of sediment that forms a ridge in the water?
Spit
Name one type of coastal landform formed by deposition.
- Tombolos
- Bars
What type of coastal management involves using natural processes?
Soft engineering
True or False: Hard engineering solutions are typically more environmentally friendly than soft engineering solutions.
False
What is the process of sediment being lifted and transported by waves called?
Suspension
Fill in the blank: The outgoing movement of water after a wave breaks is known as _______.
Backswash
What is the term for the process where rocks are dissolved in seawater?
Solution
What is hydraulic action in the context of coastal erosion?
The force of water compressing air in cracks of rocks
Identify one type of coastal feature created by erosion.
- Headlands
- Arches
- Stacks
- Stumps
What is beach recharge?
The process of adding sand to a beach to combat erosion
Fill in the blank: The direction of longshore drift is influenced by the angle of _______.
Waves
What are groynes used for in coastal management?
To interrupt longshore drift and trap sediment
What is attrition in the context of coastal processes?
The wearing down of rocks as they collide with each other
