Kinematic Wave Time Of Concentration Equations Formulas Calculator Manning's Overland Flow Roughness Coefficient

Kinematic Wave Time Of Concentration Equations Formulas Calculator
Watershed Hydrology

Solving for Manning's overland flow roughness coefficient.

Inputs:

Conversions:

time of concentration (t_c)	=	=	minute
rainfall intensity (i)	=	=	inch/hour
average overland flow path slope (S)	=	=
overland flow length (L)	=	=	foot

Solution:

Manning's overland flow roughness coefficient (N)

HAS NOT BEEN CALCULATED

Other Units:

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Izzard formula

Kerby formula

	time of concentration
	flow length
	retardance roughness coefficient

Kirpich formula

Kinematic wave formula

	time of concentration
	overland flow length
	Manning's overland flow roughness coefficient
	rainfall intensity
	average overland flow path slope

National Resources Conservation Service

	time of concentration
	watershed lag time

	watershed lag time
	watershed hydraulic length
	potential watershed storage
	average watershed slope

Bransby Williams Equation

References - Books:

Martin Wanielista, Robert Kersten and Ron Eaglin. 1997. Hydrology Water Quantity and Quality Control. John Wiley & Sons. 2nd ed.