River & The Landscape Chap 4 Flashcards Preview

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Flashcards in River & The Landscape Chap 4 Deck (25):
1

Abrasion

The erodes pieces of rock - the load - erodes the river bed & bank

2

The route a river takes

Course

3

Mature river:

Wider valley troughs
Meanders

4

A small river that joins a larger one

Tributary

6

The place a river enters the sea

Mouth

7

Where a river mouth is tidal

Estuary

8

Mouth

The place a river enters the sea

10

The area which is drained by a river and its tributaries

River basin

11

Solution

River water dissolves rock particles like limestone

12

Tributary

A small river that joins a larger one

13

The rate of erosion depends on:

The size of the river
The speed of the river
The hardness of the rock

14

Source

Where a river begins

15

Solution

Dissolved minerals

16

Traction

Rolling along the riverbed

17

Watershed

The high ground which separates 2 river basins

18

Suspension

Floating in the water

19

Old rivers:

Ox-bow lakes
Flood plains
Levees
Deltas

20

Where a river begins

Source

21

Youthful river:

V-shaped valleys
Interlocking Spurs
Potholes
Waterfalls

22

Saltation

Bouncing

23

River basin

The area which is drained by a river and its tributaries

24

Course

The route the river takes

25

Estuary

Where a river mouth is tidal

25

Hydraulic action

The force of the moving water erodes pieces of rock off the river banks & bed

25

Attrition

The load collides with it self and is smoothened