APPENDIX A List of symbols
half mountain width in
-direction
function of the mountain anisotropy
half mountain width in
-direction
drag coefficient
drag due to flow in blocked layer
function of the mountain sharpness
maximum mountain height
mountain height profile
non-dimensional mountain height (
)
critical non-dimensional mountain height
length scale of the grid-point region
horizontal width of mountain seen by the upstream flow
Brunt-Väisälä frequency
Brunt-Väisälä frequency of un-blocked flow evaluated at height
Richardson number
critical Richardson number
wind speed in
-direction
wind speed of incident un-blocked flow evaluated at height
component of the wind speed in the direction of
component of wind speed in the direction of the stress
wind speed in
-direction
depth of blocked layer
anisotropy of the orography (
)
orientation of the orography
standard deviation of orography
density of air at the surface
density of the un-blocked flow evaluated at height
slope of the orography
stress due to blocked flow
surface stress due to gravity waves
angle between incident flow and orographic principal axis