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sci.climate-sensitivity-forcing Calculator
Calculates radiative forcing from CO₂ change: ΔF = 5.35 × ln(C/C₀) W/m², and temperature response ΔT = λ × ΔF where λ ≈ 0.8 °C per W/m² (including feedbacks). CO₂ at 420 ppm vs pre-industrial 280 ppm gives ΔF = 2.12 W/m² — total anthropogenic forcing ≈ 2.7 W/m² as of 2023.
Inputs
Co2 Ppm
Amount of solute per unit volume. Higher concentration = more solute dissolved.
Co2 Ref Ppm
Reference formula or conversion factor shown for context.
Ecs K
Reference formula or conversion factor shown for context.
Results
radiative forcing RF (W/m²)
The value at the specified point or condition.
equilibrium temperature change ΔT (K)
The value at the specified point or condition.
CO₂ doubling forcing (W/m²)
Sample size or count used in the calculation.
RF = 5.35 × ln(CO₂/CO₂_ref)
Sample size or count used in the calculation.
CO₂ effective doubling ratio
The proportional relationship between two quantities.