Long and Cross Profiles Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What are the 3 Courses of the river

A
  1. Upper
  2. Middle
  3. Lower
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens in the upper course

A
  1. Headwater streams swiftly flow down steep mountain slopes. This cuts deep v - shaped valleys
  2. Water falls and Rapids occur in this course
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens in the middle course?

A
  1. Lower elevation steams merge to flow down gentle slopes
  2. Valleys broaden as coalescing rivers start to meander
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens in the Lower Course?

A
  1. At the lowest point a river meanders across a broad, nearly flat valley and flood plain.
  2. A the mouth it MAY divide into separate channels.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the river Long Profile show?

A

How a rivers steepness changes as it flows from the Source to its Mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the river Cross Profile Show?

A

The shape of the river channel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which course of the river does Erosion happen?

A

Upper Course

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which course of the river does transportation happen?

A

Middle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is deposition?

A

Where the river drops its material (rocks/sand/pebbles) carried by the flow of water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which course of the river does deposition happen in?

A

Lower Course

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe the characteristics of the Upper Course Long Profile

A
  1. Very Steep Gradient
  2. V Shaped Valley
  3. Steep sides
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Describe the characteristics of the Upper Course Cross profile

A

Narrow shallow channel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Describe the characteristics of the Middle Course Long Profile

A
  1. Medium Steep gradient
  2. Gently sloping valley side
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Describe the characteristics of the Middle Course Cross profile

A

Wider deeper channel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Describe the characteristics of the Lower Course Long Profile

A
  1. Gentle Gradient
  2. Very Wide
  3. Almost Flat Valley
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe the characteristics of the Lower Course Cross profile

A

Very wide deep channel

17
Q

Example Exam Question*
Describe how the river long profile and cross profile change downstream

A

Read slides Lesson 2 on Showbie 18OCT23