The Greenhouse Effect

The greenhouse effect occurs because the Earth's atmosphere traps a certain amount of heat inside, causing the Earth to heat up.

Carbon Dioxide concentration (ppm)
C = 420

Incoming Solar Intensity (Solar Constant) (W/m^2)
S_0 = 1350

Reflectivity of atmosphere (ratio)
r_A = 0.255

Reflectivity of Earth (ratio)
r_E = 0.102

Relative Humidity of Earth (ratio)
RH = 0.8

S_SE231.8 W/m²

S_SR105.7 W/m²

R_ES57.9 W/m²

R_AS174.0 W/m²

ε = 0.852

R_EA332.4 W/m²

R_AE174.0 W/m²

J_EA15.5 W/m²

Incoming solar Reflected solar Outgoing IR (Earth) Outgoing IR (atmo) Back-radiation Convection