Alan Lemon

GMS Development Team
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Alan Lemon last won the day on October 12 2011

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About Alan Lemon

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    Provo, UT
  1. This functionality of this package will be available in MODFLOW 6. A new version of MODFLOW that will become the "new" main version of MODFLOW (like MODFLOW 2005). It has not been formally released yet but should be available in the fall of 2017.
  2. Once you have imported the MODFLOW solution you should see a CCF item in the project explorer. Right click on the CCF item and choose the CCF->Datasets command. You should see a RIVER LEAKAGE dataset. Select the cell with the data set and then choose the Display | Plot Wizard command. Select the Active Dataset Timeseries plot and then click on Finish. You should now see a plot of river leakage for the selected cell. Right click on the plot and select View Values if you want to copy the data elsewhere.
  3. The plot tells you information about the dataset. The histogram tells you the number of values in the data set within different ranges. I personally don't fine the histograms terribly helpful when doing a seepage problem. I look at contours and values on the mesh itself.
  4. Can you tell us how you created these plots? What commands did you make in GMS to create them. It is not clear to me what you are looking at or trying to do.
  5. I don't think there is a problem contouring datasets in GMS. My guess is that the values in the datasets that you are trying to contour do not vary much. For example, maybe there is a value of 1 at the cell where the well is and all of the other cells have a value of 0. I would create a MODPATH model for one of the wells and see how it changes when you change to the various MODFLOW outputs.
  6. If you have not done so already please contact to look at your project.
  7. You can create parameters from the values of HK assigned to the materials. Then use the parameters dialog for these HK parameters just as you did the RCH parameters.
  8. Those are dataset that you should be able to contour. If something is still not working you should contact
  9. From looking at the code it looks like the warning means that there is something wrong with the input lag parameters and that the kriging code could not find points to create the variogram. As to your second question... The experimental variograms are used as a guide to create a model variogram. This is the variogram used to do the interpolation. I am guessing that your model variograms would be quite different if compared logarithmic to non-logarithmic.
  10. The solids to MODFLOW command will create the HK data for the LPF package. The HK array can then be contoured. Currently, there are no tools in GMS for creating a dataset of HK values from the HUF package. If your HUF data was created from solids, you could use the Solids->MODFLOW command to generate an HK array with the LPF package so that you could visuallize the HK data.
  11. If you have not done so already, you should contact to check your model.
  12. The documentation for GMS is available at this website: or as a help file in the installation directory. The file is called GMS_Help.chm.
  13. A first pass of this is available in GMS 10.3.
  14. This has been implemented in the development version of GMS and will be included in GMS 10.3.
  15. This has been implemented in the development version of GMS and will be released in GMS 10.3.