Probabilistic and Spatial Variability Characterization of Soil Hydraulic Parameters in Arid Ephemeral Watersheds Based on In Situ Double-Ring Infiltration Tests for Enhanced Hydrological Modeling
Uncertainty in soil hydraulic properties is a major source of hydrological and flood-modeling error, especially in data-scarce, heterogeneous arid soils. In ephemeral stream watersheds, infiltration strongly controls runoff generation and flash-flood response, yet soil parameters are often treated as deterministic, ign...