Exam 5: Running Water and Groundwater

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Lowering of the water table around a pumping well results in a cone of infiltration.

The term karst topography was first used in ________.

As its name implies, the water table is always very level (flat).

The unsaturated zone above the water table is also known as the ________.

On the spaces below, name the type of drainage pattern that is shown in each illustration. (A) ______________________________ (B) ______________________________ (C) ______________________________ (D) ______________________________

A stream begins at an elevation of 200 meters and flows a distance of 400 kilometers to the ocean. What is the average gradient?

Floods are the least destructive of all geologic hazards.

On the cutaway sides of the illustration below, areas shaded dark represent the zone of aeration, and areas that are lightly shaded represent the zone of saturation. All rock types are aquifers except for the labeled aquitard. On the blanks provided, fill in the name of the labeled features.

When water is pumped from a well, a depression is often produced in the water table. Such a depression is a(n) ________.

________ make up the suspended loads of most rivers and streams.

Caves most commonly form in ________.

A natural, meandering, river channel is modified into a more or less straight and smooth, canal-like channel. Which of the following statements is correct?

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

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

Alluvium refers to stream deposits, mainly sand and gravel.

Briefly compare those stream characteristics that decrease in a downstream direction with those that increase downstream. Also, indicate whether these changing stream characteristics tend to favor erosion or deposition of sediments.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Porosity is a measure of the volume of open space in rocks and unconsolidated geological materials such as alluvium and soils.

The capacity of a stream measures the maximum size of particles it is capable of transporting.