Course outcomes: After this course the student willVenue: TBA
Class Timings: TBA
First Meeting: TBA
- gain a fundamental understanding of the moist fluid dynamics of the atmosphere.
- appreciate turbulent flow structures in moist atmospheric flows
- examine different kinds of moist baroclinic waves
• Thermodynamics associated phase changes
• Claussius-Clapyeron equation
• Saturation processes (Dew point, Wet-Bulb, Isentropic ascension)
• Lapse rates and instability (Moist, dry, pseudo-adiabatic, reverse-saturated)
• CAPE, CIN
Part 2: Radiative equilibrium and characteristics of circulation
• Characteristics of solar radiation received by earth
• Radiation basics - intensity, black-body radiation, emissivity, longwave and shortwave radiation • Radiation models - Single layer, multi-layer model
• Hadley cell and Walker cell circulation
Part 3: Moist quasi geostrophic dynamics
• Moist Quasi-Geostrophic equations
• Phase changes and quasigeostrophy
• Moist potential vorticity conservation
• Two layer quasi geostrophic models
• Moist QG Energetics
Part 4: Equatorial waves
• Equatorial β plane waves, equatorial trapping
• Equatorial Kelvin and Rossby waves
• Convective Quasi-equilibrium
Part 5: Radiative-Convective models
• Rainy Bernard convective model
• Modified Rainy Bernard models for convection
• Models for convective turbulence
• Cloud resolving models - SAM, WRF, CAM
- References (books and papers)
Atmospheric Thermodynamics by Iribarne and Godson, Thermodynamics of Oceans and Atmosphere by Curry and Webster
Atmospheric Radiation by Liou
Atmospheric Radiation by Tsonis Atmosphere, Ocean and Climate Dynamics: An Introductory Text by Marshall and Plumb Atmospheric and Oceanic Fluid dynamics by Geoffrey K. Vallis
Sukhatme et. al. - Quasi-geostrophic dynamics in presence of moisture gradients
Brown M et. al. - Scaling for Saturated Moist Quasigeostrophic Turbulence
Smith L M et. al. - Precipitating Quasigeostrophic Equations and Potential Vorticity Inversion with Phase Changes Lapeyre et al - Moisture in baroclinic eddies
Matsuno, T. - Quasi-geostrophic motions in the equatorial area.
Kiladis et al. - Convectively coupled equatorial waves
Ahmed F et al. - Quasi-Equilibrium and Weak Temperature Gradient Balances in an Equatorial Beta-Plane Model Pauluis O et. al. - Idealized moist Rayleigh-Benard convection with piecewise linear equation of state G. K. Vallis et. al. - Moist geophysical fluid dynamics: idealised models for convection and circulation G. K. Vallis et. al. - A simple system for moist convection: the Rainy-Benard convection Agasthya L et. al - Moist convective scaling: Insights from an idealised model
Gerardo Hernandez-Duenas et. al. - Minimal models for precipitating turbulent convection Khairoutdinov M F et. al. - Cloud Resolving Modeling of the ARM Summer 1997 IOP: Model Formulation, Results, Uncertainties, and Sensitivities
- Teacher: Jim Thomas