Exercises

1.

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

2.

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

3.

What kind of bedding characterizes a ripple or a dune?

4.

How do braided and meandering stream channels differ?

5.

Why is a floodplain so named?

6.

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

7.

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

8.

How is a stream’s longitudinal profile defined?

9.

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

10.

What is a distributary channel?