ASL750
| ASL750 | |
|---|---|
| Boundary Layer Meteorology | |
| Credits | 3 |
| Structure | 3-0-0 |
| Pre-requisites | |
| Overlaps | |
ASL750 : Boundary Layer Meteorology
[edit]Introduction to the boundary layer, definition and qualitative description of temporal evolution and vertical structure; Fourier series and turbulence spectra, Reynold's averaging, interpreting variance/covariance as turbulent kinetic energy and fluxes, tensors and Einstein summation notation; Prognostic equations for mean variables in a Courses of Study 2024-2025 Atmospheric Sciences 324turbulent flow, simplifications; Prognostic equations for turbulent fluxes and variances; TKE equation, static and dynamic instability, Reynold's number, Richardson number, Obukhov length, stability parameter relationships, closure problem in turbulent flow, first-order local closure; surface boundary conditions, surface momentum, energy and moisture budgets, fluxes at surface and entrainment zone, drag and Bowen ratio methods; surface layer Similarity Theory, Buckingham Pi method, applications to wind profiles; Stable and convective mixed layer phenomena including nocturnal jets, thermals, dust devils; boundary layer clouds, fair-weather cumulus, fog; geographically generated local circulations like slope and valley winds, sea/lake breeze, geographically modified flow, fetch, internal boundary layer.