Abstract: A continuous 15-mo. morning and afternoon Aitken nuclei concentration measurement was made during 1964?1965 at Washington, D.C. The climatological means and extreme values of the Aitken nuclei concentration were obtained ...

Abstract: Potential ice nuclei, particles which become ice nuclei when properly treated, are produced in automotive exhaust. They are activated by iodine vapor and are believed to be lead particles originating from the tetraethyl ...

Abstract: Measurements have been made of the radii and free electric charges of cloud particles in supercooled cumuliform-type clouds which occurred at a 6580-ft MSL mountain observatory. Simultaneously, the positive and negative ...

Abstract: To investigate the possibility of inadvertent weather modification from rocket effluent, aerosol samples were collected from an instrumented aircraft subsequent to the Voyager I and II launches. The aerosol's morphology, ...

Abstract: No abstract available.

Abstract: No abstract available.

Abstract: The Goetz Aerosol Spectrometer, generally considered to possess only a fair ability in resolving size distributions of polydispersed aerosols, operates properly following a modification to the geometry of the entrance to ...