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IFS Documentation front page

I Observations
II Assimilation
III Dynamics
IV Physics
V Ensemble
VI Technical
VII Waves

   

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


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