Description of Component

Equation

Value

Average Surface Temperature

T_h

288.15˚K (59˚F)

Average Temperature of Troposphere

T_l

263.7˚K (15˚F)

Area without Clouds

A

0.33

Emissivity of the Surface

e

0.937

Stefan-Boltzmann Constant

σ

5.670373 × 10⁻⁸ watts/m²∙K⁴

Absorption by Greenhouse Gases

e

1

Calculated Energy Flux

U

30.39 watts/m²

Increased Flux by 12% (Paragraph 2.5)

U

34 watts/m²