Rocket measurements of aerosol particle concentrations and size distributions in the atmosphere

Details Rocket measurements of aerosol particle concentrations and size distributions in the atmosphere Rocket measurements of aerosol particle concentrations and size distributions in the atmosphere

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981kosis..19..641o&link_type=abstract

Kosmicheskie Issledovaniia, vol. 19, July-Aug. 1981, p. 641-645. In Russian.

Computer Science

Sound

Aeronomy, Aerosols, Atmospheric Composition, Atmospheric Sounding, Particle Size Distribution, Rocket Sounding, Air Sampling, Particulate Sampling, Vertical Distribution

Scientific paper

Results are presented of rocket-borne measurements of the altitude distribution of atmospheric aerosols according to aerosol sizes. Measurements were performed by means of photoelectric counters installed on M-100 meteorological sounding rockets at altitudes from 10 to 90 km, with counter values converted into atmospheric concentrations by a model of inertial impaction at altitudes above 50 km, aerodynamic impaction below 25-30 km and a combined mechanism in the intervening altitudes. The height distributions of particles of sizes greater than 0.7 microns, greater than 1.0-1.2 microns and greater than 2-2.5 microns are observed to be conserved during measurements obtained at night from the same location during different seasons and years. The distributions are not found to be exponential, as generally supposed for heights above 20 km. Differences in the particle size distributions observed at different heights may be used as an indicator of the different aerosol formation processes at work in different regions.

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