Justin Stout and Dr. Patrick Belmont at Utah State have built the TerEx tool for mapping terraces. Find it here: Belmont’s Lab Webpage
TerEx Tool: For automated mapping of terrace and floodplain surfaces from LiDAR using local relief and a few other user-specified criteria. This Python-based tool can be run as an ArcGIS tool or in Python alone.
Download tool at Belmont Lab Resources webpage.
Stout, J.; Belmont. P. (2013), TerEx Toolbox for semi-automated selection of terrace and floodplain features from LiDAR, Earth Surface Processes and Landforms (in press).