Upper Mississippi River Restoration Program

Upper Mississippi River Restoration Program

Long Term Resource Monitoring



Methods documentation

.pdf file

Methodologies employed
this link references a 14-page .pdf (Adobe Portable Document File) that describes in detail the methodologies employed for bathymetric mapping in the UMRS by the Long Term Resource Monitoring Program (LTRMP).

Get Adobe Acrobat.


Interpolation steps

Bathymetric maps are generated by the interpolation process shown below.
Step 1 is shown by default.
Position the cursor over the text "Step 2" or "Step 3" to change the image.

 interpolation steps
 Step 1
Step 2
Step 3

An example of the types of maps that can be generated from the above process is shown in the Frequently asked questions section of this web site.

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