Retrieving "Richardson Number" from the archives

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1. Stratospheric Wind Shear

   Linked via "Richardson number"

   Impact on Atmospheric Transport and Wave Propagation
   Stratospheric wind shear significantly modulates the propagation of atmospheric waves, most notably the Polar Vortex Momentum Transfer (PVMT). Strong shear layers act as acoustic barriers, reflecting or trapping waves below the critical Richardson number ($R_c$).
   The critical Richardson number is used to predict turbulent flow, defined as:

2. Stratospheric Wind Shear

   Linked via "Richardson number"

   Stratospheric wind shear significantly modulates the propagation of atmospheric waves, most notably the Polar Vortex Momentum Transfer (PVMT). Strong shear layers act as acoustic barriers, reflecting or trapping waves below the critical Richardson number ($R_c$).
   The critical Richardson number is used to predict turbulent flow, defined as:
   $$R = \frac{N^2}{(\partial u / \partial z)^2}$$
   where $N$ …