1. Energy balance in the troposphere

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ATOC 4720 class30

• 1. Energy balance in the troposphere
• 2. Turbulent heat fluxes at the earth/atmosphere
  interface

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Previous class

• Above 90km photoionization of N2, O2, O gives
  rise to E- and F-layer) UV X-ray
  
• Above 100kmPhotodissociation of oxygen
• At 20-60km

(UV)
(UV)
(NOTE ONLY account for lt2 of solar radiation!)
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Upper atmosphere
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1. The tropospheric energy balance
Radiation
98 reaches the tropopause
Visible
window
IR
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How the balance is achieved
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Without Latent and Sensible heat fluxes the
balance at the earth Surface would be
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2. Effects of turbulent heat fluxes
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Sensible heat flux
Laten heat flux
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Bulk formulae