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sci.NO2-photolysis-rate Calculator
Calculates the NO₂ photolysis rate constant (j-NO₂) from solar irradiance and NO₂ absorption cross-section and quantum yield. NO₂ photolysis is the primary source of ground-level ozone: NO₂ + hν → NO + O, then O + O₂ + M → O₃ — j-NO₂ peaks at solar noon.
Inputs
Solar Zenith Deg
Reference formula or conversion factor shown for context.
Ozone Column Du
Reference formula or conversion factor shown for context.
Altitude Km
Reference formula or conversion factor shown for context.
Results
NO₂ photolysis rate j(NO₂) (s⁻¹)
pH of the solution. Below 7: acidic. 7: neutral. Above 7: basic (alkaline).
cos(θ)
Reference formula or conversion factor shown for context.