**What should you bring to this course?**

**You should be able to do the following:**

Surface Water/Hydrologic Cycle

* describe the processes in the hydrologic cycle and
explain
how rates of each are quantified

* use a planimeter to measure a map area

* given precipitation rates in length/time units,
calculate
the volume of precipitation over an area

* given evaporation rates in length/time units, calculate
volume of evaporation from a surface water body

* construct a hydrologic budget for a drainage basin

* use the internet to locate discharge data for a given
stream gage

* given stream discharge data, plot a hydrograph

* list and describe the effects of factors that determine
hydrograph shape

Properties of Porous Media

* use lab and non-lab methods to estimate values of
porosity,
effective porosity, specific yield, specific retention, permeability,
and
hydraulic conductivity for any given type of porous medium

* use these properties to predict and describe the
water-bearing
and water-yielding capacities of various rocks and sediments

* describe a hydrogeologic setting in terms of aquifers,
aquitards, and hydrostratigraphic units

* using geologic cross sections, maps, and reports,
identify
hydrostratigraphic units in any given area

Ground Water Flow

* use data from piezometers to measure hydraulic head

* distinguish between wells and piezometers, and explain
what determines water levels as measured by each

* given measurements of hydraulic head, calculate
hydraulic
gradient within a porous medium

* use Darcy’s Law to describe the interactions between
ground water discharge, hydraulic conductivity, cross-sectional area of
flow, and hydraulic gradient

* use corollaries of Darcy’s Law to estimate velocity
of ground water flow

* draw plan view and cross-sectional flow nets based on
boundary conditions and/or hydraulic head data

* use water levels in wells/piezometers to predict the
direction of ground water flow in an area

Well Hydraulics

* sketch a diagram of a well illustrating and labeling
the components

* given the intended purpose of a well and the site
geology,
specify the depth to which the borehole should be drilled and the well
intake installed

* describe the flow of water to a well

* use the Theis equation to predict the effects of changes
in pumping rate, radius from the pumping well, hydraulic conductivity,
aquifer saturated thickness, time since pumping began, and aquifer
storativity
on the drawdown within an aquifer

* interpret pumping test data to estimate aquifer
transmissivity
and storativity

Ground Water Chemistry and Contamination

* use mass/mass, mass/volume, and molar units of
measurement
to describe aqueous concentrations of water constituents

* list common ground water contaminants (or contaminant
groups) and their potential sources

* describe how physical and chemical characteristics of
a contaminant affect its behavior in the subsurface and influence
selection
of remediation strategies

Ground Water Modeling

* use well logs, regional geologic data, surface water
records, and other hydrogeologic data to construct hydrogeologic cross
sections and maps for a given area

* produce a numerical model of ground water conditions
in a given area, including appropriate choice of boundaries and initial
conditions

* describe and evaluate the magnitude and effects of
potential
errors within the numerical model

* write a scientific report describing and explaining
the numerical model

Quantitative Skills

* solve geomathematical problems involving varied and
diverse units of measurement, and be able to convert between units

* using quantitative terms, formulate mathematical
expressions
for and solutions to problems related to water flow rates, discharge
rates,
volumes, areas, and depths

* apply the following quantitative skills: algebraic
manipulation,
use of scientific notation, use of exponents and logarithms,
construction
and interpretation of graphs, contouring, interpolation and
extrapolation,
and use of significant figures

Critical Thinking/ Non-Content-Based Skills

* in the NEIU library, locate scientific journals that
concern hydrogeology

* evaluate the validity and reliability of disparate data
sources, especially when they provide conflicting information

* evaluate quantitative solutions to hydrogeological
problems
to determine if they fall within a reasonable range of values

* evaluate quantitative solutions to hydrogeological
problems
to estimate sources of uncertainty and magnitude of error.

Department of Earth Science | Northeastern Illinois University

*© 2006 Laura L. Sanders. Last updated
January 10, 2006.*

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