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Atmospheric Circulation
Atmospheric Circulation
📺 The circulation theorem. What constitutes a circulation?
📺 Bjerknes' circulation theorem - and a history of Prof. Bjerknes.
📺 Two examples of solving the thermally driven circulations, including land-sea breeze.
Recap by Casey and Simon
📺 The Vorticity! A measure of rotation.
📺 Vorticity in natural coordinates.
With an example to calculate vorticity. 👍
📺 Potential vorticity. A very useful quantity to measure the rotational intensity and it is conserved.
📺 And guess what -- Homework!
Compute relative vorticity from different scenarios.
Recap by Lydia - good
A recap of all these by Brad:
A simplified version of vorticity explained by Dr. Wang:
More on vorticity and conservation of potential vorticity
More on vorticity and conservation of potential vorticity
📺 The Vorticity Equation - a great diagnostic tool for the atmospheric circulation. Learn each term of this equation.
📺 Scale analysis on the vorticity equation (I). And video (II). The resultant first-order equation is the first used to conduct numerical weather prediction in 1947 ⬇︎
📺 Baroclinic (Ertel) potential vorticity equation. Here is an applicable example ⬇︎
A recap by Lydia - good!
A recap by Brad with his homework:
The Planetary Boundary Layer
The Planetary Boundary Layer
Recap by Casey with Simon's explanation:
Recap by Abby and her homework:
📺 (con'd) Renold's average, how it smooths out noises while keeping the larger-scale flow characteristics.
📺 Buoyancy production term. Vertical transport of sensible heat or energy.
📺 PBL momentum equation; the mixed layer.
📺 And don't forget the exercises! - See Abby's homework below.
A recap by Brad about Ekman spindown and Ekman pumping:
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