Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What gives waves their energy ?
|
The energy in waves comes from wind that blows across the water's surface.
|
|
|
How do waves shape a coast ?
|
Waves shape a coast through erosino by breaking down rock and transporting sand and other sediment. Waves shape a coast when they deposit sediment, forming coastal features such as beaches, spits, sandbars, and barrier beaches.
|
|
|
What are the causes and effects of wind erosion ?
|
Wind causes erosion by deflation and abrasion. Wind erosino and deposition may form sand dunes and loess deposits.
|
|
|
What is a headland ?
|
A headland is a part of the shore that sticks out into the ocean.
|
|
|
What is a beach ?
|
A beach is an area of water-washed sediment along a coast.
|
|
|
What is a longshore drift ?
|
A longshore drift is when waves repeatedly hit the beach, some beach sediment moves down the beach with the current.
|
|
|
What is a spit ?
|
A spit is a beach that projects like a finger out into the water.
|
|
|
What is a sand dune ?
|
A sand dune is a deposit of wind-blown sand. Over thousands of years, wind sweeps sand across a desert, piling up huge, everchanging dunes.
|
|
|
What is deflation ?
|
Deflation is the process by which wind removes surface material.
|
|
|
What is loess ?
|
Loess is fine, wind-deposited sediment.
|
