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The main objective of the study was to compare the height to which aerosols are mixed with the vertical range of turbulet processes that may be responsible for mixing. The aerosol mixing height was determined by lider sounding of the atmosphere, the vertical range of turbulent process was estimated on the basis of the analysis of acoustic echoes obtained by means of acoustic (sodar)sounding of the Atmospheric Boundary Layer (ABL). Data from 344 observation hours (parallei lider and sodar soundings) are analysed. In addition, some data on the SO2 - mixingheight (compared with lider and sodar data) were taken into account. The analysis is made separately for two kinds of ABL structures, differing in their physical characteristics: convective structure and stable (inversion) structures. For both cases, the relative indices representing the relation of lider to sodar estimations of mixing height are characterized by some distribution of values. This distribution suggests the existence of a combination of physical factor creating the aerosol mixing layer. In this combination of factors, the contribution of such processes like vertical motions generated by convection turbulence generated by gravitational waves, turbulence produced by wind shear, may create different vertical structures of aerosol layer. The complexity of the problem makes it necessary to organize further experiments with parallel application of different measuring techniques.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
449--459
Opis fizyczny
Bibliogr. 9 poz., rys. 10
Twórcy
autor
autor
autor
- Institute of Meteorology and Water Management, Section Crocow, ul. Borowego 14, 30-215 Kraków, Poland
Bibliografia
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW3-0006-0003