Exam 8: The Hydrologic Cycle

What is the primary force that dictates the downward migration of groundwater?

The largest reservoir in the hydrosphere is the Antarctic ice sheet.

Caves form when circulating groundwater slowly dissolves and carries away carbonate rock, leaving underground voids.

The number of countries experiencing water stress is expected to decrease in the next few decades, partly as a result of climate change.

Thousands of potentially harmful contaminants can enter water via the processes of the hydrologic cycle.

During a flood, scientists record the passage of water on a __________ , a graph that indicates the stream discharge as a function of time.

Which of the following is not a 'pathway' in the hydrologic cycle?

What is the release of water vapor to the atmosphere by plants called?

What is "hydrostatic pressure"?

If a stream begins at an elevation of 600 meters and flows a distance of 200 kilometers to the ocean, what is the average gradient?

"Residence time" is the average time that water stays in a reservoir. There are a number of variables to residence time. Which of the following is a true statement?

A stream with many interlacing channels and bars is called a __________ stream.

If a stream water is red, which of the following would best describe why the water is red?

What will happen to sea levels when large amounts of water is stored in ice sheets and continental glaciers?

Which of the following is a cutoff, meander loop?

Regarding the flow of groundwater, the time required along various pathways depends on what factors?

Which of the following rivers do not drain into the Mississippi River?

If you were traveling in an airplane and spotted a very straight segment of a stream channel, how would you interpret it?

Which of the following would have the largest capacity to naturally remove sewage pollutants from groundwater?

Immediately beneath the surface is the aerated zone, in which pore spaces contain some water and some air.