In addition, EPA's point source models apply a wind speed profile for determining the change of speed with height, e.g. from the 10m measurement level to stack top, and this requires input of scalar mean or unit vector wind speed.
(EPA's point source models; apply e.g.; a wind speed profile) (this; requires; input of scalar mean or unit vector wind speed)
EPA's point source models this
apply e.g. requires
a wind speed profile
input of scalar mean or unit vector wind speed