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UAS Raster Data Analysis: Volumetrics 2

Mar 11 2026

The primary goal of this lab was to build proficiency with ArcGIS Pro's raster analysis tools in the context of a real-world dredging operation, specifically examining how material volumes and surface conditions changed over time. The steepest part of the learning curve was not just understanding the tools themselves, but learning how to use them purposefully to produce meaningful, well-composed deliverables.

Of the layouts, Figure 1 isolates upper slope areas exceeding 30 degrees of gradient, which is a critical threshold for slope failure risk. This was achieved by inputting targeted calculations into the raster analysis tools to extract only the values meeting that specific criteria. Figure 2 identifies areas of water collection falling between 233 and 234 meters in elevation, providing the mine operator with a clear picture of where water accumulation was occurring within the containment zone.

Overcomplicating the workflow is an easy trap to fall into, and the most effective approach was to focus on what was actually being tested for and keep the analysis direct. Overall, this lab was a valuable opportunity to deepen familiarity with ArcGIS Pro's spatial analysis capabilities and build practical skills applicable to real-world geospatial consulting work.

It was during this time that I was hospitalized and thus missed instruction.

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