Experimental Data on Gravity Erosion and Non-equilibrium Sediment Transport

This repository contains four sets of raw experimental data derived from a 1:40 scaled physical generalized model of the Qiaogou watershed. The datasets correspond to the core results and figures presented in the related manuscript.
File Directory & Contents:
1. Sediment_Concentration_at_Gully_Outlet
Contains the instantaneous sediment concentration (kg/m³) data collected at the watershed outlet over time. (Corresponds to Figure 6)
2. Cumulative_Sediment_Yield
Contains the cumulative sediment yield (kg) data at the gully outlet over the rainfall duration. (Corresponds to Figure 7)
3. Synchronous_Flow_Velocity_and_Sediment
Records the synchronous monitoring data of cross-sectional flow velocity (m/s) and sediment concentration (kg/m³) at three key observation points: Branch Gully, Upstream Main Gully, and Downstream Main Gully. (Corresponds to Figure 8)
4. Geomorphic_Entropy_and_Hypsometric_Curves
Contains the discrete slice integration data extracted from pre- and post-rainfall high-precision DEMs. Used to calculate the area-elevation integral (Strahler Integral, S) and Geomorphic Information Entropy (H). (Corresponds to Figure 9 and Table 3)

Experimental Conditions (Condition IDs):
- OC1: Rainfall intensity 45 mm/h, Control (No deposit)
- OC2: Rainfall intensity 45 mm/h, 1× deposit
- OC3: Rainfall intensity 45 mm/h, 2× deposit
- OC4: Rainfall intensity 90 mm/h, Control (No deposit)
- OC5: Rainfall intensity 90 mm/h, 1× deposit
- OC6: Rainfall intensity 90 mm/h, 2× deposit
Note on Terminology & Units:
All variable names, abbreviations, and units correspond directly to the equations and figures presented in the manuscript.