Exam 12: Running Water--Streams and Rivers

Mass wasting can be an important source of sediment carried in a stream.

The majority of most states' mineral revenues comes from sand and gravel.

The primary factor that determines whether water moves by turbulent or laminar flow is ____.

Point bars are depositional features that form on the inside curve of meandering rivers.

Most of a stream's kinetic energy is involved in eroding and transporting sediment.

What is the difference between the velocity and the discharge of a stream?

Imagine you are a geologist in the field examining a fluvial deposit. Explain how you could determine if the deposit was from a braided stream, meandering stream, or delta.

River deposits are collectively called ____.

The hydrologic cycle is a three step process over the ocean. Which list below has these steps in the correct order?

Runoff moves overland via ____.

Why does the velocity of a stream generally increase downstream even though the gradient decreases?

The maximum rate at which materials absorb water is called ____________________ and depends on the intensity and duration of rainfall.

Floodplain deposits are primarily ____.

Infiltration capacity ____.

Levees can protect many areas during floods. Why are they controversial?

When a river flows into a standing body of water, what forms?

List the three stages of stream development, and explain what happens in each along with the associated changes to the surrounding topography.

What percentage of Earth's water is in the oceans?

Sketch a diagram of the hydrologic cycle as it occurs over the land and ocean. Indicate on the sketch where evaporation, precipitation, condensation, runoff and infiltration occur.

The ____ is transported in the body of the stream.