Understand the oxidation mechanisms of organic compounds in the atmosphere
Study the reactions of atmospheric free radicals (HOx, NOx and ClOx)
Study the photochemistry of carbonyl compounds present in the atmosphere
Scientific Plans to Realize Objectives
The product distributions from the oxidation of natural hydrocarbons such as the
terpenes will be studied. The potential of these compounds to form aerosol
particles will also be investigated.
Studies of other hydrocarbons at temperature below ambient will be carried out
using both FTIR detection in a large chamber, and tunable diode laser
coupled with flash photolysis. The experiments will improve our knowledge of the
reactions of atmospheric peroxy and alkoxy radicals.
A detailed study of the oxidation of ammonia will be undertaken. It is currently
not known whether ammonia oxidation is a source or a sink of NOx in the
atmosphere. Both kinetic measurements and product studies will be performed.