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Found 6 results

  1. cansudemir

    Observation Wells in Transient Model

    Hello, I am having a serious problem with the observations in my transient model. The observation wells have measurement data from 2009, 2010, 2011, 2012 and 2013. Each well has different measurement dates. Some wells have measurement of all years but some of them have less. When I run the model and plotted computed vs observed graph, in the view values part I see observations of different months and years. For example, in the plot of 16.03.2013 there are some observation values of 2009 (a well whose last observation is 2009). What is the problem? How can I erase these wells from the times that they don't belong to? Need help ASAP. Thank you!! Cansu
  2. Hi All, I was wondering if there was a way to remove the drain observations from being exported along with the desired transient observation points. The drain coverage isn't set up as an observation as is. Thanks a lot Carrie
  3. mbrown

    "Arc ID" vs "Arc Name"

    Why does SMS use both Arc IDs and Arc Names? When you are plotting observation lines you have to know the "Arc Name", but you only have the option of displaying "Arc ID" in the Display Options window. This can lead to confusion when Arc IDs and Names get out of sync when merging coverages. In my current project I have Arc ID 1 through Arc ID 703 and Arc Name 710 through Arc Name 1412. If someone could highlight the advantage of having two ways to reference the same arc, that would be great. Or perhaps the Display Options could be updated to include the Arc Name. Thanks!
  4. Bastian Gutierrez

    Calibration - Modflow- USG

    Hi. I'm trying to calibrate a USG groundwater model, but in my observation points (after run MODFLOW), the values of computed head is 0. why can happen that? Thank you, Bastián.
  5. Straughan_Environ

    Observation Points

    From http://xmswiki.com/wiki/SMS:Observations_Workflow "Observation points are used to verify the numerical analysis with measured field data such as water surface elevation or velocity data. They are also be used to see how computed values change with time at a particular location. Observation arcs are used to view the results at a cross section or along the river profile." Question: Does the observed/calibration/measured data provided at each observation point influence the initial numerical analysis? Question: Can an observation point be used to monitor numerical analysis? This implies the creation of observation point without "observation/measured data"
  6. Hi, how do I export points from an observation coverage as a Shapefile without losing the attributes observed value and computed value? In essence, I want to export, preferably as a Shapefile, what is shown in the attached screenshot. When I save the coverage as a shapefile, the shapefile doesn't contain the attributes for the observed and computed values. Thanks for any tips and advice on this. Regards, Felix
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