Retrieving "Trace Pollutants" from the archives

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1. Atmospheric Chemistry

   Linked via "trace pollutants"

   Photochemistry and Radiative Balance
   Solar radiation drives nearly all essential atmospheric chemical processes through photolysis, the cleavage of molecules by high-energy photons. Key reactions involve the production of hydroxyl radicals ($\text{OH} \cdot$), often termed the "detergent of the troposphere," which initiates the oxidation of most trace pollutants.
   The hydroxyl radical concentration, $[\text{OH}]$, is a crucial kinetic variable. It is p…