rivers Flashcards
1
Q
hydraulic action
A
force of a wave hitting rock
2
Q
abrasion
A
wearing away of the riverbed and banks by its load
3
Q
attrition
A
pieces of rock, carried by the river hit off each other as they move along, they gradually become soft and round
4
Q
solution
A
river water chemically dissolves the soft rock over which it flows
5
Q
delta
A
old
6
Q
floodplain
A
mature
7
Q
levee
A
old
8
Q
v shaped valley
A
youthful
9
Q
waterfalls
A
youthful
10
Q
meanders
A
mature
11
Q
oxbow lakes
A
mature
12
Q
interlocking spurs
A
youthful
13
Q
rejuvenation
A
river flow faster with renewed energy to reach base level
14
Q
causes of rejuvenation
A
isostasy - when land rises out of the sea due o tectonic activity rising the crust
15
Q
landforms or rejuvenation
A
knickpoints
paring terraces
entrenched meanders
16
Q
peneplain
A
a plain is eroded almost to sea level
