A field team deploys into the Texas Hill Country with GPS units and geological hammers. They map visible debris flow paths left by past storms. Samples from channel beds and fan deposits go into sealed bags for lab testing. The crew measures channel gradients and catchment areas. This data feeds into runout models that predict flow velocity and deposition zones. The analysis targets properties built along the Balcones Escarpment. Heavy rain events here trigger fast-moving slurries of soil and rock. Understanding these paths is essential for safe development. We often combine debris flow analysis with a study of unsaturated soils to understand how dry slopes behave after long droughts.
A single debris flow event can move over 10,000 cubic yards of material in minutes along the Balcones Escarpment.