Data File

Download the data file here:

Input_Data.dss

Before any analyses can be performed, data must be imported to the HEC-SSP study.

  • Open HEC-SSP.
  • Select File | New Study…
  • Name the study “SayersDam_MixedPopulationAnalysis” and provide an adequate description.
  • Point HEC-SSP to create the new project in an appropriate location on your computer.
  • If the following options are not already in place, set the units to English and the coordinate system to Geographic | Degrees of Arc | GRS 1980(NAD83).
  • Click OK to create the new project.

Now you need to import the daily flow time series for the Milesburg gage.

  • Click Data | New | Using Import Wizard to open the new Data Importer Wizard.
  • Click Next.
  • Leave the Source set to HEC-DSS and click Next.
  • Click the ellipsis button within the Selected DSS File entry field.
  • Within the pop up window, navigate to the “Input_Data.dss” file.  Click Open to select this file.  This will cause the contents of the selected DSS file to populate within the table listing selectable data sets.
  • Select the Milesburg daily average streamflow time series. This should correspond to the DSS record: "/BALD EAGLE CREEK BL SPRING CREEK/MILESBURG, PA/FLOW//1DAY/USGS/”.
  • Double click on this record to add it to the window at the bottom of the Data Importer, as shown in the following image.

  • Click Next and review your data one last time.
  • When ready, click Import to to import the data set and return to the main HEC-SSP desktop.
  • Click the Save button () to save the study.
  • You should notice that a new record was added to the Study Explorer window under Data.

Continue to Task 2. Extract An All-Season Annual Maximum Series.