B l o w i n g

S n o w

Romanletters

aviscousacceleration
Afractional area open to flow
bflow loss across porous baffle plates
fsnow phase volume fraction
ggravity
Kdrag function
ppressure
ttime
uhorizontal velocity
u_*friction speed,=(t₀/r)^{1 / 2}
U_rrelative velocitybetween air and snow
Uvelocity
Vfractional volume open to flow
W_Fterminal snowfall velocity
x,y, zcoordinates
z₀roughness height
z_{sno w}roughness height for
friction velocity calculations

Greekletters

kvon Kármáns constant (~ 0.4)
rdensity
r_mmixture density
t₀surface shear stress
nkinematic viscosity
n_Tturbulent kinematic viscosity

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