baroclinic ekman spiralsbreth/classes/as547/lect/lect7-slides.pdf · les vertical section of u’...
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Atm S 547 Lecture 7, Slide 1
Baroclinic Ekman spirals
Atm S 547 Lecture 7, Slide 2
Surface wind crossing angle vs. thermal wind
Hoxit 1974
Atm S 547 Lecture 7, Slide 3
Cold advection: cross-isobar flow
Warm advection: Along-isobar flow
Over water: along-isobar flow
Atm S 547 Lecture 7, Slide 4
Horizontal sections of u’ from LES of shear-driven turbulence
Atm S 547 Lecture 7, Slide 5
LES vertical section of u’ in shear-driven PBL
Atm S 547 Lecture 7, Slide 6
Rolls in LES weakly convective PBL
Atm S 547 Lecture 7, Slide 7
Convective PBL (Rayleigh-Benard)
Atm S 547 Lecture 7, Slide 8
Velocity variance profiles
Atm S 547 Lecture 7, Slide 9
TKE budgets Moeng and Sullivan 1994
Atm S 547 Lecture 7, Slide 10
LES-simulated entrainment event in a convective PBL
Sullivan et al. 1998
Atm S 547 Lecture 8, Slide 11
Observational support for DCBL entrainment closure
′w ′b (h) = −0.2B0