Department of Earth Science |Northeastern
Daily Objectives #13
(March 3, 2009)
end of today's class, you should be able to do the following:
Explain what is
meant by hydrostratigraphy, and tell how it differs from lithostratigraphy.
What makes water flow?
w Review: Explain the term
hydraulic head, and tell how total hydraulic head relates to
head and pressure head.
w Review: Define the
table in terms of total hydraulic head, pressure head, and elevation head.
On a flow net, identify the following
kinds of boundaries to a flow system:
(sometimes these are impermeable
flow boundaries (rarely used in modeling natural systems).
w Distinguish between these kinds of boundaries:
(Hint: Explain why sometimes a
"no-flow" boundary is an "impermeable" boundary--but other times, the term
"impermeable" doesn't really apply.)
w A flow
system has been established in the ground water model. Construct a
flow net of the
system by first measuring hydraulic heads in each of the piezometers, and then
contouring the points with equipotential lines.
A grid showing the
piezometer locations appears here (jpg file).
Department of Earth Science | Northeastern Illinois University
Copyright 2009 Laura L. Sanders.
Last updated March 4, 2009.