Hydrology - GEL3330
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Assignment #15: Wellhead Protection Problem

Wellhead Protection Problem

The community of Clarksdale needs a water well and sewage disposal facilities. You job is to find safe locations to locate these within the Clinton Township Boundary. You have lots of data. Put it together and make a decision..

Clarksdale Well Head Protection

   

Assignment #14: Darcy's Discharge

Discharge of Water Through an Aquifer

Your next set of assignments is to calculate the volume of water that will flow through an aquifer in an interval of time.

Unsolved Sample Problems, Solution #1, Solution #2

Homework

   

Assignment #13: Darcy's Law

The Velocity of Ground Water Flow

Henri Darcy discovered the most important method for determining the rate of ground water flow in the 1850's. It is a mathematical relationship between gradient, permeability and porosity. Later discoveries by other scientists applied Darcy's law to problems in petroleum geology and contaminant transport.

Solutions to your sample problems: #1, #2

   

Assignment #12: Three-Point Problems

Three-Point Problems

Three-point problems are used in many types of geology and hydrology field work. They can be used to determine directions of ground water flow, depth to a subsurface rock unit and determine the strike/dip of subsurface rock units. You are to solve four three-point problems for practice and two for a grade. Practice 1 Solution. Practice 2 Solution.

   

Assignment #11: Recurrence Interval Estimation

Image fromUSGS

100-Year Flood Discharge

Your assignment is to estimate the 100-year flood discharge for Pine Creek at Cedar Run, Pennsylvania. You should obtain Peak Discharges from the gaging station website. A sample recurrence interval calculation is available for Lycoming Creek at Trout Run.

   

Assignment #10: Quotation

Quotation for Stream Monitoring

Your assignment is to prepare a quotation for stage and discharge monitoring of Crooked Creek near Middlebury Center, Pennsylvania. Full details of what your work should include are explained in the request for quotations document posted by Remote Monitoring, Inc.

A sample quotation done by Kate Lindley is available for your inspection.


   

Assignment #9: Sample and Practice Rating Curve

Sample and Practice Rating Curves

Check out a Sample Rating Curve and get data to make a Practice Rating Curve for a record high discharge of the Tioga River at Mansfield, Pennsylvania.


   

Assignment #8: Rating Curve Reading

More from U.S.G.S Circular 1123

You should read the "Determining a Continuous Record of Discharge" section of USGS Circular 1123. Pay special attention to the chart title "stage-discharge relation". It is a rating curve.

   

Assignment #7: Tioga River Discharge Measurement

Estimate Tioga River Discharge

Prepare a stream discharge estimate using data that you collected from the Tioga River and processed using Excel. Before you hand-in your estimate, check it with the discharge reported at the Tioga River at Mansfield gaging station.


   

Assignment #6: Stream Discharge Calculation

Discharge Calculation

Using MS-Excel, you are to estimate the discharge of Virtual Creek. Your work is to be handed in on Thursday, September 8th.

Click here to see an example of excellent work by Jessica Yoder. Note how she carefully included all relevant information about the site, how neat her work is, how the decimal points are aligned in each column, how all units are clearly indicated, and how you can easily tell what every item on the document means.

   

Assignment #5: Current Meter Self Study

Current Meter Orientation

Learn how to operate the current meter before you are standing in the Tioga River. If you need more practice that was possible in class you can go to the North Hall Library and use the current meter on reserve at the main desk. Check out the instructions, the wading rod and the meter. Use the information in the link below to get started.

Current Meter Orientation


   

Assignment #4: Stream Discharge Reading

U.S. GEOLOGICAL SURVEY CIRCULAR 1123

USGS Circular 1123 is posted on the web where you can read it for free. You are responsible for the following sections of this report:

  • Uses of Stream Flow Data
  • Measuring State
  • Measuring Discharge

   

Assignment #3: Learn About Gaging Stations and Hydrographs

Gaging Stations and Hydrographs

Learn more about gaging stations and hydrographs by using the links below..

   

Assignment #2: What do hydrologists do?

Photo by USGS

Go to Work with USGS

To learn a little about what some hydrologists do on the job every day by visiting the "Getting Your Feet Wet--A Day in the Life of a USGS Water Scientist" webpage. If you would like a job working out-of-doors, maybe this is for you - but remember, you will be out there doing this in February too!


   

Assignment #1: Learn about the course....


Irrigation circles fed by ground water in the desert northwest of Phoenix, AZ. Landsate Geocover 2000 image from NASA. Enlarge.

Syllabus, FAQ, Schedule

Your first assignment is to become familiar with the course and your instructor's expectations. You should do this right away. The syllabus and FAQ summarize all course policies and the schedule details what you will study. This information will help you decide to continue in this course or opt for another. Be sure to carefully read and understand these three documents....

Once you have carefully read the above you should move on to Assignment #2, above..

   

What is Hydrology?

Hydrology is the study of Earth's water resource, including water on the surface, below the ground and in the atmosphere. People who make their living as hydrologists spend their time: 1) collecting data from rivers, water wells and weather stations, 2) graphing and evaluating the data to determine its significance, and 3) using the data to answer questions about flood hazards, water supply, waste disposal, water contamination, and many other practical topics.

The students above are taking current velocity and depth measurements in the Tioga River. This data can be used to calculate the discharge of the river. Discarge information is essential for many water supply, flood control and other important purposes.

 

 

 

 

 

 














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