**Terrain Characteristics**

**Ruggedness?**

What happens when you take the slope of a slope map?

slope map,

and slope of the slope map?

What does that mean?

Here’s a better way to look at the second derivative of elevation. Use the Curvature command in ArcGIS (GUI, Geoprocessing Toolbox or Command line)..

planform curvature |
profile curvature |