Rivers and Groundwater Flashcards
A part of a river’s dispersal system where periodic deposition of sediment along new river branches near the ocean would be called a..
delta
Which of the following decreases as you go downstream on a river?
gradient
A cone of _____________ will form along the water table in the area of an actively pumping water well?
depression
The ability of rock to hold water in cracks and spaces is a function of the _________ of the rock.
porosity
True or False?
Groundwater contamination is exclusively the responsibility of industrial operations.
False
After a meandering river has created a wide flood plain and uplift then causes the river to begin cutting down a feature that might be formed is a
river terrace
What might be a surface feature in an area that has subsurface caverns?
sinkhole
The discharge of a river is measured in.
cubic meters per second
The load of river is
the sediment in the water
What type of aquifer contamination would be the most difficult kind to clean up?
heavy hydrocarbon chemicals that sink
Ox bow lakes form by
The evolution of a meandering river
A/an ______ _______ will form when a river flows from a steep sided canyon onto a valley floor?
alluvial fan
Runoff is to river water as _________ is to groundwater?
infiltration
Predictions of future flood events can be made by plotting a river’s_________ over time.
discharge
Along the course of a river where would deposition of sediment occur?
when the river slows in velocity
Which of the following is not part of a river system?
communication system
The surface area of Earth that a river drains is called a/an
drainage basin
A dendritic river system is characterized by
a branching pattern
When a river floods, it causes a natural build up of sediment along it’s banks. A deposited feature like this, which is due to flooding is called a/an
levee
Groundwater erosion can occur in area that have these two rock types?
marble or limestone
