Origins of fine aerosol mass in the Baltimore-Washington corridor: implications from observation, factor analysis, and ensemble air parcel back trajectories

Chen, L. A., Doddridge, B. G., Dickerson, R. R., Origins of fine aerosol mass in the Baltimore-Washington corridor: implications from observation, factor analysis, and ensemble air parcel back trajectories, Atmos. Environ., 36, 4541-4554