Approximate Roughness

Approximate median roughness using Manning Equation

Usage

compute_n(df, S = 0.02)

Arguments

df

a data.frame with at least Y and V.

S

reach scale longitudinal slope (m/m). Default mean of the nhdplusV2

Value

numeric

See also

Other hydraulics: compute_channel_slope(), compute_hydraulic_params(), cross_section(), extract_thalweg(), slope_matrix()