Study your flashcards anywhere!
Download the official Cram app for free >
- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
- Read
Toggle OnToggle Off
Reading...
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
A key: Read text to speech.a key
Play button
Play button
12 Cards in this Set
- Front
- Back
|
Abrasion
|
Wear away of a rock surface by particle impact.
|
|
|
Deflation
|
Removal of loose soil particles. May form a Lag deposit ("Desert Pavement")
|
|
|
Eolian Erosion Processes
|
-Abrasion
-Deflation |
|
|
Eolian Transport Processes
|
-Suspension
-Surface Creep -Saltation |
|
|
Suspension
|
-Movement without touching ground.
-Affects only smallest particles. |
|
|
Surface Creep
|
-Sliding r rolling over surface.
-Affects largest particles |
|
|
barchan dune
|
crescent shaped and usually occurs as individual dunes in a group.
|
|
|
Transverse dunes
|
form connected rose perpendicular to the wind.
|
|
|
Parabolic dunes
|
found where wind is bi-directional.
|
|
|
Longitudinal dune
|
forms a ridge of sand parallel to the wind.
|
|
|
Two important factors in dune formation
|
-Wind Direction
-Sand Supply |
|
|
Complex/"star" dunes
|
Wind that comes from many different angles and forms a complex star shape.
|
