J process

{
  "id": "MLC-T-MET-006734",
  "term": "J process",
  "field": "Meteorology and atmospheric science",
  "definition": "A method for calculating the rate of photolysis, or photodissociation, of a chemical species in the atmosphere. The calculation integrates the product of the species' absorption cross-section, its quantum yield for dissociation, and the actinic flux over the relevant range of solar wavelengths. The resulting photolysis rate coefficient, denoted by the letter J, is a first-order rate constant with units of inverse seconds (s⁻¹).",
  "synonyms": [
    "Junction process"
  ],
  "see_also": [
    "K changes"
  ],
  "url": "https://mlchart.com/terminology/meteorology/j-process/"
}