Exam 13: Groundwater

Rocks such as limestone,granite,and gneiss cannot be groundwater reservoirs.

What are the most common sources of groundwater contamination?

Under what conditions will an artesian well flow freely at the surface?

What are the major problems that exist with,or are related to,groundwater supply?

Saltwater incursion occurs primarily along coastlines.

The Leaning Tower of Pisa leans largely because of ____________________.

The major source of the water stored as groundwater is ____________________.

Which of the following is most permeable?

About 22 percent of all usable water in the United States comes from groundwater.

A poorly sorted porous rock/sediment is as permeable as a well-sorted porous rock/sediment.

Why does the Leaning Tower of Pisa lean? Is it likely to lean so much it will some day fall over?

Briefly explain why the artesian-pressure surface slopes.

Groundwater under high fluid pressure is called a(n)____________________ system.It is confined by rock bodies called ____________________.

What factors affect the surface configuration of the water table in an area?

Where does groundwater discharge naturally?

What conditions are needed for the development of karst topography?

A place where groundwater flows/seeps out of the ground is a(n)____________________.

Within the zone of saturation,groundwater flows from the region of ____________________ pressure to the region of ____________________ pressure.

What is the average rate of groundwater flow?

In regions of moderate to high rainfall,the top of a stream is the same as the ____.