NUMBER CONCENTRATION AND SIZE DISTRIBUTION OF ATMOSPHERIC AEROSOL IN SIBERIA

Measurements of continental remote aerosol were carried out in the sum mer of 1991 and 1992. Different locations in Siberia were used for the measurements: near Lake Baikal and near the city of Novosibirsk. Our measurements reflect typical summertime conditions, and extrapolation to other seasons in Siberia is not possible. Aerosol size distribution s were obtained using screen diffusion battery and impactor techniques . The mean total aerosol number concentration was about 10,000 cm-3. T he behaviour of the total aerosol number concentration may be explaine d using common theories of aerosol formation.