Processes of transportation and erosion Flashcards
1
Q
Traction is …
A
stones rolling across the river bed
(transportation)
2
Q
Saltation is…
A
small particles bouncing along the bed
(transportation)
3
Q
Suspesion is …
A
Silt sized particles that are carried within the water flow
(Transportation)
4
Q
what is Attrition?
A
rocks smashing together an dforming smaller, smoother and rounder stones
(erosion)
5
Q
Hydraulic action is …
A
when cracks in the river banks have air bubbles that are compresssed by the water. this causes the,
m to expand and break the banks
(erosion)
6
Q
abrasion is …
A
when stones scrape across the river bed
(erosion)
7
Q
(in a river)
solution is …
A
rockeps dissolving in the slightly acidic river water
(acids such as carbon dioxide and humic acid from vegetation)
(erosion)
