cal_frictionVelocity {simET}

Calculating friction velocity

Description

Calculating friction velocity

Usage

cal_frictionVelocity(k = 0.4, zr = 2, u_zr, d, z0)

Arguments

k

the von Karman constant (0.4)

zr

the height of the weather station(m).

u_zr

the wind speed(m/s) at the reference height zr (m).

d

zero plane displacement height (m)

z0

the crop roughness length(m)

Value

A vector for friction velocity(m/s)