sediment - marine erosion Flashcards
1
Q
what is hydraulic action?
A
power of water and air forced into cracks and joints breaks the rocks apart
2
Q
what is pounding?
A
mass of breaking wave exerts pressure on the rock, weakening it
3
Q
what is abrasion?
A
the waves hurl the rocks contained within the wave at the cliffs where they wear away the rocks - like sandpapeer
4
Q
what is solution?
A
salts and acids in the sea water dissolve minerals. as the climate warms = +CO2 = +acid rain = + solution
5
Q
what is attrition?
A
rocks crash into one another and break into smaller pieces
6
Q
what is marine erosion?
A
using the energy of waves to shape landscapes
