Chapter 4 Residence time of tropospheric aerosols in association with radioactive nuclides

摘要: Publisher Summary This chapter focuses on the residence time of tropospheric aerosols, in association with radioactive nuclides. The atmospheric aerosol particles lower atmosphere, assuming that troposphere is considered a well-mixed reservoir (closed system), function various removal processes, most important being: (a) Dry deposition by impaction, diffusion, and sedimentation, (b) wet rain drops (precipitation scavenging). can be estimated means nuclides as tracers, which become attached to particles, are removed them they scavenged precipitation or undergo dry fallout. Several methods have been used for estimating mean particles. concludes discussion times sulfate aerosols atmosphere.