Formula Used:
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The formula calculates stream discharge based on suspended sediment load, soil erodibility factor, and a constant n. It's used in hydrology and sediment transport studies to estimate water flow rates from sediment measurements.
The calculator uses the formula:
Where:
Explanation: This formula relates stream discharge to the suspended sediment load, accounting for soil erodibility and catchment-specific characteristics through the constant n.
Details: Accurate stream discharge estimation is essential for water resource management, flood prediction, sediment transport studies, and environmental impact assessments.
Tips: Enter suspended sediment load in kg/s, soil erodibility factor, and constant n. All values must be positive numbers greater than zero.
Q1: What is suspended sediment load?
A: Suspended sediment load refers to the portion of sediment that remains uplifted and transported by flowing water in streams and rivers.
Q2: How is soil erodibility factor determined?
A: Soil erodibility factor is typically determined through soil testing and analysis of soil properties that affect its susceptibility to erosion.
Q3: What does constant n represent?
A: Constant n is a catchment-specific parameter that accounts for the effective rainfall and other hydrological characteristics of the watershed.
Q4: When is this formula most applicable?
A: This formula is particularly useful in sediment transport studies and situations where direct discharge measurements are challenging but sediment data is available.
Q5: Are there limitations to this approach?
A: The accuracy depends on proper determination of the constant n and assumes a consistent relationship between sediment load and discharge for the specific catchment.