Grounded Presets

Gas & Planetary Parameters

CO₂ Concentration 420 ppm
Relative Humidity (H₂O) 50%
Surface Albedo 0.30
Solar Constant (S₀) 1361 W/m²

Physics Equations

Radiative Forcing:
ΔF = 5.35 · ln(C / 280) W/m²

Top-of-Atmosphere Balance:
F_in = (S₀ / 4) · (1 - α)

2-Slab Emissivity (ε):
ε = 1 - exp(-τ_band)

Surface Temp 288.2 K 15.0 °C
Radiative Forcing +3.71 W/m² relative to 280 ppm
Solar Inflow (TOA) 238.2 W/m² avg global absorbed
Downwelling IR 332.1 W/m² greenhouse flux back to ground
1D Atmospheric Slab & Energy Flow
Planck Emission & Optical Absorption
Atmospheric Radiative Forcing Proof Matrix
Parameter / Output Calculated Value Reference Range / Unit
CO₂ Concentration 420 ppm 100 - 1000 ppm
Optical Depth (15µm Band) 2.4500 Slab Absorption Coefficient
Radiative Forcing ΔF +3.71 W/m² 5.35 · ln(C/C₀)
Equilibrium Surface Temp 288.20 K +1.1°C to +3.7°C doubling shift
Net TOA Energy Balance 0.00 W/m² Equilibrium = 0 W/m²
Enjoy this tool? Build your own with Super