Laboratory Manual for Introductory Geology 4e

EXERCISE 14.1
Factors Affecting Infiltration and Groundwater Flow (continued)
Name:
Course:
Section:
Date:
In the top section of the table below, describe the indicated properties of the contents of each container.
Now check the predictions you have just made: pour equal amounts of water into the four containers and measure the
amount that passes through and its rate of flow. Record your observations in the table.
Grain size
Observation Container A Container B Container C Container D
Properties of material that might
affect water flow
Sorting
Grain shape
Porosity
Permeability
30 seconds
60 seconds
90 seconds
Volume of water
transmitted (ml)
120 seconds
150 seconds
180 seconds
210 seconds
240 seconds
Other
observations
Average rate of flow (total volume
transmitted 4 total time for transmission)
Water color
Amount of water retained
(continued )
364 CHAPTER 14 GROUNDWATER AS A LANDSCAPE FORMER AND RESOURCE