SpatialFOFEM Lesson 2

Limiting SpatialFOFEM Outputs with a Mask

SpatialFOFEM outputs are not limited to the extent of a landscape file, they can be confined to a portion of a landscape by the use of a mask. This can be useful when estimating emissions or fuel consumption for a prescribed burn or a wildfire perimeter or simulation.

This lesson will estimate the PM2.5 emissions for the Miller Peak Fire on July 15th & 16th.

Copy the Previous Run

If your project "FOFEMtutoria1.fmp" is not open, open it now and copy the Page icon in tree pane Simple PM2.5 item in the Tree Pane.

Copy of Simple PM2.5 dialog

Modify the Run

Now modify the run to reflect prescribed fire conditions.

  1. Change the Run Name: to "Limited PM 2.5".
  2. Reduce Foliage/Branch % Consumed: to "50".
  3. Change 10 Hour (%): to "6".
  4. Change 1000 Hour (%): to "8".
  5. Change Duff (%): to "45".

Load a mask with the Limiting Shapefile button button and select the Open Limiting Shapefile option. Navigate to the C:\...FlamMap6\Tutorial\ folder and select the "Miller_Peak_Fire_July16.shp" file and click Open.

Click Apply and your SpatialFOFEM Inputs tab should look like this.

SpatialFOFEM Run dialog for Limiting PM2.5 run.

Finally select the Emissions and Carbon Outputs tab and select the Statistics CSV check box in the lower left hand corner.

View the Run

Click Launch SpatialFOFEM button.  and the run should complete in a few seconds.

Close the "SpatialFOFEM Progress..." and "SpatialFOFEM Run:" dialogs.

Next expand the Page icon in tree pane Limited PM2.5 item in the Tree Pane and select the Total PM25 grid theme to display.

Project window showing Total PM25 theme

Zoom in to see some detail.

Project window showing zoomed Total PM25 theme

Interesting, but if you are planning a prescribed burn or environmental assessment you would want something a little more concrete. Right-click the Page icon in tree pane Statistics CSV item and select the Open option from the shortcut menu.

Statistics CSV output

The raw output can be a bit confusing when viewed with Notepad. But Comma Separated Value (CSV) files display nicely in a spreadsheet, just use the File>SaveAs Notepad command to save the file and then open it in a spreadsheet or database application.

Save Your Project

You should save this project with the File > Save menu command.

You're Finished

You now have completed the tutorial showing how to use a mask in a SpatialFOFEM run.