Articles | Volume 4, issue 1
Adv. Sci. Res., 4, 37–41, 2010
https://doi.org/10.5194/asr-4-37-2010
Adv. Sci. Res., 4, 37–41, 2010
https://doi.org/10.5194/asr-4-37-2010

  14 Apr 2010

14 Apr 2010

Formation of a large scale spot-like structure of the total deposition due to a powerful elevated finite source

O. Y. Skrynyk1, R. I. Chernysh1, and Y. Y. Hrytsyuk2 O. Y. Skrynyk et al.
  • 1Ukrainian Research Hydrometeorological Institute, Kyiv, Ukraine
  • 2Ternopil National Pedagogical University, Ternopil, Ukraine

Abstract. The process of formation of a large scale spot-like structure of the cumulative deposition pattern due to a powerful elevated finite lifetime source is studied using numerical solutions of a model diffusion problem. A possible cause of spottiness at regional scale, namely the diurnal cycle of the vertical turbulent mixing intensity in the atmospheric boundary layer, is investigated. It is shown that the atmospheric boundary layer diurnal cycle can cause the appearance of the spot-like structure when the source lifetime, t*, is much shorter than the diurnal period, T.