Persistent sensitivity of Asian aerosol to emissions of nitrogen oxides

摘要: [1] We use a chemical transport model and its adjoint to examine the sensitivity of secondary inorganic aerosol formation emissions precursor trace gases from Asia. Sensitivity simulations indicate that mass concentrations are most sensitive ammonia (NH3) in winter sulfur dioxide (SO2) during rest year. However, annual mean, perturbations on Asian population-weighted ground-level 34% due changing nitrogen oxide (NOx) comparable those either SO2 (41%) or NH3 (25%) emissions. The persistent NOx arises regional abundance over Asia promotes ammonium nitrate formation. IASI satellite observations corroborate abundance. Projected for 2020 continued We encourage more attention controls addition reduce East aerosol.