GLG 101 Final Exam Study Guide
Velocity of a stream is greatest _____. - correct answer ✔✔just below the surface in the middle of the
channel
As stream discharge increases, velocity _____. - correct answer ✔✔increases
Stream load consists of _____. - correct answer ✔✔bed load, suspended load, dissolved load
The maximum particle size that a stream is capable of transporting is _____. - correct answer
✔✔competence
The lowest level to which a stream may erode is called _____. - correct answer ✔✔base level
The process of evapotranspiration involves - correct answer ✔✔transpiration and evaporation.
Runoff from precipitation initially flows in tiny channels called - correct answer ✔✔rills
The future of the Mississippi River channel is _____. - correct answer ✔✔a shift to the course of the
current Atchafalaya River
Which of the following is the dominant activity when a stream's gradient is steep and the channel is well
above base level? - correct answer ✔✔Downcutting
Stream lengthening upslope at the valley head is called _____. - correct answer ✔✔headward erosion
Water gaps in the Appalachian Mountains are caused by _____. - correct answer ✔✔stream erosion
through folded terrain by superposed streams
Urbanization - correct answer ✔✔increases the likelihood of flash flooding
, Flooding occurs _____. - correct answer ✔✔when discharge exceeds the channel capacity
A stream pattern on granitic terrain is _____. - correct answer ✔✔dendritic
The level below which the soil and rock are saturated with water is called _____. - correct answer
✔✔the water table
Of all the repositories of fresh water in the hydrosphere, the smallest is _____. - correct answer ✔✔river
water
An oxbow lake is _____. - correct answer ✔✔an abandoned meander still holding water
Groundwater flows _____. - correct answer ✔✔perpendicular to the contours of the water table
In poorly sorted sediments, porosity - correct answer ✔✔decreases
A rock unit that transmits groundwater is called a/an _____. - correct answer ✔✔aquifer
Gaining streams are best defined as - correct answer ✔✔streams that gain water from the inflow of
groundwater.
When pumping at a well exceeds recharge - correct answer ✔✔a cone of depression forms and a well
may go dry.
A well in which the water rises naturally above the aquifer is a/an _________ well. - correct answer
✔✔artesian
Correction of potential saltwater contamination of groundwater can be accomplished by - correct
answer ✔✔collecting surface runoff into basins which allow seeping into the groundwater
Velocity of a stream is greatest _____. - correct answer ✔✔just below the surface in the middle of the
channel
As stream discharge increases, velocity _____. - correct answer ✔✔increases
Stream load consists of _____. - correct answer ✔✔bed load, suspended load, dissolved load
The maximum particle size that a stream is capable of transporting is _____. - correct answer
✔✔competence
The lowest level to which a stream may erode is called _____. - correct answer ✔✔base level
The process of evapotranspiration involves - correct answer ✔✔transpiration and evaporation.
Runoff from precipitation initially flows in tiny channels called - correct answer ✔✔rills
The future of the Mississippi River channel is _____. - correct answer ✔✔a shift to the course of the
current Atchafalaya River
Which of the following is the dominant activity when a stream's gradient is steep and the channel is well
above base level? - correct answer ✔✔Downcutting
Stream lengthening upslope at the valley head is called _____. - correct answer ✔✔headward erosion
Water gaps in the Appalachian Mountains are caused by _____. - correct answer ✔✔stream erosion
through folded terrain by superposed streams
Urbanization - correct answer ✔✔increases the likelihood of flash flooding
, Flooding occurs _____. - correct answer ✔✔when discharge exceeds the channel capacity
A stream pattern on granitic terrain is _____. - correct answer ✔✔dendritic
The level below which the soil and rock are saturated with water is called _____. - correct answer
✔✔the water table
Of all the repositories of fresh water in the hydrosphere, the smallest is _____. - correct answer ✔✔river
water
An oxbow lake is _____. - correct answer ✔✔an abandoned meander still holding water
Groundwater flows _____. - correct answer ✔✔perpendicular to the contours of the water table
In poorly sorted sediments, porosity - correct answer ✔✔decreases
A rock unit that transmits groundwater is called a/an _____. - correct answer ✔✔aquifer
Gaining streams are best defined as - correct answer ✔✔streams that gain water from the inflow of
groundwater.
When pumping at a well exceeds recharge - correct answer ✔✔a cone of depression forms and a well
may go dry.
A well in which the water rises naturally above the aquifer is a/an _________ well. - correct answer
✔✔artesian
Correction of potential saltwater contamination of groundwater can be accomplished by - correct
answer ✔✔collecting surface runoff into basins which allow seeping into the groundwater
