oct10reading - What issues arise when selecting a time...

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Oct 10 Reading Guide Ch 5 Sources and Sinks is quite brief, but there are some important points: Wells: Why is the head calculated at a cell usually not the same as the actual head at a pumping or injection well? How can the actual head be calculated? How do you simulate wells that are screened across more than 1 layer? Recharge: What methods can be used to estimate recharge? How is recharge applied to the model? Why is simulating the water table challenging? What particular problems does MODFLOW have with simulations of unconfined aquifers? Leakage: How is Kz’ calculated? What is the difference between leakance and leakage? Ch 8: Model Execution and Calibration
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What is code verification? What are sources of error in a model? How do you assess errors caused by discretization of space and time? What are the rules of thumb for the ideal and acceptable water balance errors?
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Unformatted text preview: What issues arise when selecting a time period to use for a steady-state calibration? Why is a transient calibration often necessary in addition to a steady-state calibration? What are sources of error in head and flux data used for calibration? How is trial-and-error calibration conducted? What is automated calibration? Note that since the book was published, automated calibration has become much more common. How are calibration results quantified and displayed? What are the mean error, mean absolute error, and root mean squared error? What is a calibration sensitivity analysis and how is it conducted? What are the two sources of uncertainty in predictions? What is the difference between calibration sensitivity and a prediction sensitivity analyses?...
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This note was uploaded on 11/29/2011 for the course GLY 6826 taught by Professor Screaton during the Fall '11 term at University of Florida.

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oct10reading - What issues arise when selecting a time...

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