Downloads
Probability paper For use for plotting the a river duration curve (Text Chapter 2)
Square paper For estimating rainfall effective depth (Text Chapter 2)
This Excel sheet can be used to estimate the well function W(u) rather than using the table in the textbook. Simply insert value of u to get the answer. You can copy the cells into a table to estimate all values of W(u) for various times or distances. Make sure you include all pages in this file in your calculation document.
Spread sheet for W(u) estimation
The following plots are needed for parameter estimation via pump test analyses (Text Chapter 5). The first two plots use the same scale on log-log papers.