Exercises

Question 18.1

How does velocity determine whether a given flow is laminar or turbulent?

Question 18.2

How does the size of a sediment grain affect the speed with which it settles to the bottom of a flow?

Question 18.3

What kind of bedding characterizes a ripple or a dune?

Question 18.4

How do braided and meandering stream channels differ?

Question 18.5

Why is a floodplain so named?

Question 18.6

What is a natural levee, and how is it formed?

Question 18.7

What is the discharge of a stream, and how does it vary with velocity?

Question 18.8

How is a stream’s longitudinal profile defined?

Question 18.9

What is the most common kind of drainage network developed over horizontally bedded sedimentary rocks?

Question 18.10

What is a distributary channel?