Exam 14: Groundwater

__________account(s)for the largest usage of groundwater in the United States.

Which one of the following concerning stalactites and stalagmites is NOT true?

__________are characteristics found in all good aquifers.

A terrain exhibiting many distinctive features related to subsurface solution of limestone is known as __________.

Which term denotes the physical force that pushes water though a saturated porous material?

A disappearing (sinking)creek is __________.

An artesian well is one in which __________.

The term karst topography was first used in __________.

Which speleothem grows upward from the floor of a cavern?

Where are the most extensive geothermal features in the world?

Excessive groundwater withdrawals can cause__________ .

A stream flowing into a sinkhole is called a(n)__________.

The__________ is the upper boundary surface of the saturated zone.

An aquifer is __________.

What hydrogeological condition describes a local zone of saturated soil or rock above the elevation of the regional water table?

What term denotes the percentage of open space or voids in a material?

What property describes how readily groundwater will flow through a saturated porous material?

"The drinking water in our town is always cold, clear, and pure because it comes from an artesian well." Briefly discuss the geologic validity of this statement. Although this idea wasn't specifically discussed in chapter 14, give a possible reason or two as to why such statements are often made.

__________controls the ease (or difficulty)of groundwater transmission through a porous material.

When examining the geology of a region for potential aquifers, what characteristics or factors would you consider? Also, what areas (based on natural and human)factors would you avoid?