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Atmospheric and Oceanic Optics

2013 year, number 5

Formaldehyde pollution of the urban atmosphere as a function of certain meteorological factors

T.S. Selegei1, N.N. Filonenko1, V.A. Shlychkov2, A.A. Lezhenin3, T.N. Lenkovskaya1
1Siberian Regional Hydrometeorological Research Institute,
30, Sovetskaya st., 630099, Novosibirsk, Russia
selegey@sibnigmi.ru
2Novosibirsk Division of Institute for Water and Environmental Problems of the Siberian Branch of the RAS,
Morskoy ave., 630090, Novosibirsk, Russia
slav@ad-sbras.nsc.ru
3Russian Academy of Sciences Mathematical Department Novosibirsk Scientific Centre Institute of Computational Mathematics and Mathematical Geophysics SB RAS,
prospect Akademika Lavrentjeva, 6, Novosibirsk, 630090, Russia
lezhenin@ommfao.sscc.ru
Keywords: atmosphere pollution, formaldehyde concentration, meteorological and synoptic processes, statistical analysis, Tomsk

Abstract

The impact of the major meteorological processes on the concentration of formaldehyde in the city of Tomsk is studied. It is shown that the highest concentrations are mostly established at low atmospheric pressures in a combination with high air temperatures. The relative humidity effect is insignificant. The weak precipitation reduces the pollution concentration. The amount of background formaldehyde pollution caused by the permanent man-made and natural sources is determined. The grouping of various types of synoptic processes in five compact classes being signs of possible formation of high concentration of formaldehyde is proposed.