Aerosols in the atmosphere not only degrade visibility,but are also detrimental to human health and transportation.In order to develop a method to estimate PM2.
Ozone(O3)fluxes were measured over a maize field using the eddy covariance(EC)technique and gradient methods.The main objective was to evaluate the performance
Hydrofluorocarbons(HFCs)have been widely used in China as substitutes for ozone-depleting substances,the production and use of which are being phased out under