Mountain Streams and V-Shaped Valleys
12 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

How is discharge calculated?

  • By dividing the width of the stream by its depth
  • By adding the width of the stream to its depth
  • By multiplying the width of the stream by its depth
  • By multiplying the cross-sectional area of the stream by its average velocity (correct)

What happens to the velocity if the cross-sectional area of a stream increases?

  • Velocity decreases (correct)
  • Velocity increases
  • The relationship between velocity and area is unpredictable
  • Velocity remains the same

What are floodplains?

  • Flat areas adjacent to river channels that are occasionally flooded (correct)
  • Regions with excess water drainage
  • Areas that are never flooded
  • Mountainous regions prone to landslides

How are oxbow lakes formed?

<p>When a meander loop is cut off from the main channel (C)</p> Signup and view all the answers

What is a drainage basin?

<p>The entire land area that contributes water to a specific stream or river system (B)</p> Signup and view all the answers

What does recurrence interval refer to in relation to floods?

<p>The average time between floods of a certain magnitude (B)</p> Signup and view all the answers

What is one factor contributing to the formation of deep, V-shaped valleys in mountain streams?

<p>Limited vegetation exposing rock to erosive force (C)</p> Signup and view all the answers

What does the angle of repose refer to in relation to loose material on a slope?

<p>The steepest angle without material collapsing (B)</p> Signup and view all the answers

What happens to the gradient (slope) of a stream as it flows downstream?

<p>It decreases, resulting in a slower flow rate (B)</p> Signup and view all the answers

How does the channel width change as a stream flows downstream?

<p>It increases as downcutting decreases and flow rate slows (A)</p> Signup and view all the answers

What is lateral erosion in the context of stream dynamics?

<p>Erosion that widens the valley by removing material from its sides (B)</p> Signup and view all the answers

How does limited vegetation at high altitudes impact stream dynamics?

<p>It minimizes soil stabilization and exposes rock to erosive forces (A)</p> Signup and view all the answers

More Like This

Comparing Mountain and River Streams
10 questions
Mountain Ranges and Deserts in Asia
22 questions
Mountain Ranges in India Flashcards
5 questions
Use Quizgecko on...
Browser
Browser