A simple formula for the evaluation of value and position of ground level concentration from a point source

Authors

  • Tiziano Tirabassi Institute of Atmospheric Science and Climate, Bologna
  • Daniela Buske Universidade Federal de Pelotas, Pelotas, RS

DOI:

https://doi.org/10.5902/2179460X30664

Keywords:

Air pollution modelling, Analytical solutions, Maximum ground level concentration

Abstract

After setting realistic scenarios of the wind and diffusivity parameterizations the Ground Level Concentration is worked out by an analytical solution of the advection-diffusion equation, then an explicit approximate expression is provided for it allowing a simple expression for the position and value of the maximum.

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References

BUSKE D, VILHENA MT, MOREIRA DM, TIRABASSI T. Simulation of pollutant dispersion for low wind conditions in stable and convective planetary boundary layer. Atmospheric Environment. 2007; 41 (26): 5496-5501.

IRWIN JS. A theoretical variation of the wind profile power-low exponent as a function of surface roughness and stability. Atmospheric Environment. 1979; 13: 191-194.

MOREIRA DM, VILHENA MT, BUSKE D, TIRABASSI T. The state-of-art of the GILTT method to simulate pollutant dispersion in the atmosphere. Atmospheric Research. 2009; 92 (1): 1-17.

PANOFSKY HA, DUTTON JA. Atmospheric Turbulence. New York: John Wiley & Sons; 1988.

PASQUILL F, SMITH FB. Atmospheric Diffusion. New York: John Wiley & Sons; 1984.

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Published

2018-03-22

How to Cite

Tirabassi, T., & Buske, D. (2018). A simple formula for the evaluation of value and position of ground level concentration from a point source. Ciência E Natura, 40, 69–75. https://doi.org/10.5902/2179460X30664

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