| adm_range | Calculates the admissible range of flow variability | 
| adm_range_plot | Plots the admissible range of flow variability | 
| daily_cost | Calculates the daily environmental costs of flow regulation | 
| daily_cost_plot | Plots the daily environmental costs of flow regulation | 
| flowdata | River water flow data. | 
| impact_reg | Calculates the daily environmental impact of flow regulation (high- and low-flow impact) | 
| impact_reg_multi_plot | Plots the daily environmental impact of flow regulation for multiple years | 
| impact_reg_plot | Plots the daily environmental impact of flow regulation (high- and low-flow impact) | 
| summary_flow | Provides a summary of flow data during the pre-impact period |