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online_einstein_brown: Calculation of sediment discharge by the Einstein-Brown formula
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| The Mojave river at Hellendale, California |
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| Formulas:
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γw = f (T)
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ν = f (T)
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γs = Ss γw
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τ* = (R S) / [ (Ss - 1)ds ]
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φ = f (τ*)
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A = [ g ds3 (Ss - 1) ]1/2
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B = 36 ν 2 / A2
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• F1 = [ (2/3) + B ]1/2 - B1/2
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gs = φ F1 A γs
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Gs = gs W
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SI Units (metric): Hydraulic radius R in m; channel width W in m; bottom slope S in m/m;
mean diameter ds in mm; water temperature T in degrees Celsius;
Ss is dimensionless.
U.S. Customary Units: Hydraulic radius R in ft; channel width W in ft; bottom slope S in ft/ft;
mean diameter ds in mm; water temperature T in degrees Farenheit;
Ss is dimensionless.
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