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General circulation of the atmosphere
Published on Apr 24, 20141680 Views
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Chapter list
General circulation of the atmosphere00:00
What will you learn ....04:57
Contents: Description of averaged 3D circulation05:23
Surface winds DJF05:25
E - P = Expor = Int (DIV qV)06:35
The atmosphere is very thin08:04
General circulation schematic08:59
General circulation observed09:50
Zonal mean winds observed - 111:01
Zonal mean winds observed - 212:03
General circulation observed12:25
Contents: What sets the atmosphere into motion?12:26
Differential heating12:36
Why don´t the tropics get hotter and the polar regions get colder?14:17
Poleward heat transports15:43
Available potential energy due to differential heating sets the atmosphere in motion18:16
Hadley cells20:49
Development of zonal flow21:27
Geostrophic balance22:44
Thermal wind balance - 123:44
Thermal wind balance - 224:52
How does the atmosphere transport heat polewards?25:42
Baroclinic instability - 127:04
Baroclinic instability - 227:50
A baroclinically growing wave28:27
Baroclinic wave observed - 130:00
Baroclinic wave observed - 230:54
Baroclinic wave observed - 331:34
High frequency variance at 250 hPa32:21
Mean temperature and transient eddy heat fluxes32:47
Stages of development33:54
Contents: Seasonal cycle34:42
Seasonal cycle - 134:51
Seasonal cycle - 235:28
Seasonal cycle - 335:40
Contents: The simplest climate model: 0D36:03
Energy balance model - 136:29
Energy balance model - 236:53
The greenhouse effect37:43
Atmospheric absorption40:22
Contents: The 1D column model41:26
Moist Radiative Convective model41:32
Radiative convective model+ocean42:39
Earth is warming ...43:51
Also in De Bilt ...45:36
And Carbon Dioxide is to blame46:16
The global energy balance is perturbed by the CO2 increase ....48:02
Climate sensitivity48:21
The warming is not uniform ...51:19
The physical climate system ... need for 3D modeling ....51:40
Contents: The 3D climate model52:13
Global climate models solve the (thermo-)dynamical equations on a computational grid52:21
Global climate model52:59
Primitive (hydrostatic) equations - 153:29
Primitive (hydrostatic) equations - 253:38
Primitive (hydrostatic) equations - 353:51
Resolution problem54:02
The climate system: A truly multiscale problem54:44
No single model can encompass all relevant processes55:40
Parametrization56:16
Processes in the planetary boundary layer:diurnal cycle56:23
Principle of a climate simulation57:48
Structure of a climate model58:26
Historical development of climate models01:00:51
Climate model SPEEDY01:02:06
Thank you01:03:01