Levy 1971: OH radical produced by O(1D) + H2O; primary oxidant of trace gases (CH4 / CO / VOCs); lifetime ~1 sec; abundance ~10^6 cm^-3 in tropics; major sink for atmospheric pollutants.
Levy 1971: OH radical produced by O(1D) + H2O; primary oxidant of trace gases (CH4 / CO / VOCs); lifetime ~1 sec; abundance ~10^6 cm^-3 in tropics; major sink for atmospheric pollutants.