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INPUFF: A Single Source Gaussian Puff Dispersion Algorithm

INPUFF is an air quality model which uses the Gaussian equation to evaluate the diffusion of a puff generated by a single point source. It may be used also with multiple point sources and deals with non reactive pollutants, but may include deposition and sedimentation. The user may choose among different algorithms to simulate the puff behaviour and may also enter its own routines to evaluate the plume effective height and puff dispersion. It works on flat terrains within few tens of kilometers of distance.


area: air quality
objectives: simulation, forecasting
description: puff diffusion, multiple point sources, flat terrain, short range, short term, inactive pollutant


The model is part of UNAMAP and is available on diskette from:
Computer Products
National Technical Information Service
U. S. Department of Commerce
Springfield, Virginia 22161
Phone (703) 487-4650


William B. Petersen and Leonidas G. Lavdas
U.S. Environmental Protection Agency
Office of Research and Development
Research Triangle Park, NC 27711


  • Briggs, G.A. 1969. Plume Rise. USAEC Critical Review Series. TID-25075, National Technical Information Service, Springfield, VA., 81 pp.
  • Briggs, G.A. 1971. Some Recent Analyses of Plume Rise Observation. In: Proceedings of the Second International Clean Air Cogress, H.M. Englund and W.T.Beery, eds., Academic Press, New York., pp. 1029-1032.
  • Briggs, G.A. 1973. Diffusion Estimation for Small Emissions. NOAA Atmosferic Turbulence and Diffusion Laboratory, Contribution File No. (Draft) 79. Oak Ridge, TN., 59 pp.
  • Briggs, G.A.1975. Plume Rise Predictions. In: Lectures on Air Pollution and Environmental Impact Analysis, D.A. Haugen, ed. Am. Meteorol.Soc.,Boston,MA.pp59-111. - Cramer, H.E. 1976. Improved Techniques for Modeling the Dispersion of Tall Stack Plume. In: Proceedings of the Seventh International Technical Meeting on Air Pollution Modeling and its Application. No. 51, NATO/CCMS, pp. 731-780 (NTIS PB 270 799). - Draxler, R.R. 1976. Determination of Atmospheric Diffusion Parameters. Atmos. Environ., 10:99-105.
  • Irwin, J.S. 1983. Estimating Plume Dispersion - A Comparison of Several Sigma Schemes. J. Climate Applied Meteorol., 22:92-114.
  • Petersen, W.B., J.A.Catalano, T.Chico and T.S.Yuen, 1984. INPUFF-A single Source Gaussian Puff Dispersion Algorithm. EPA-600/8-84-027, U.S.Environmental Protection Agency, Research Triangle Park, NC., 110 pp.
  • Rao, K.S., 1982: Analytical Solutions of a Gradient-Transfer Model for Plume Deposition and sedimentation. NOAA. Tech. Memo. ERL ARL-109, 75pp; EPA-600/3-82-079, U.S. Environmental Protection Agency, Research Triangle Park, NC., available from NTIS as PB 82-215 153, Springfield,VA.
  • Rao,K.S and H.F.Snodgrass. 1982. PAL-DS Model: The PAL Model Including Deposition and Sedimentation. EPA-600/8 82-023, U.S.Environmental Protection Agency, Research Triangle Park, NC, 49 pp.
  • Turner, D.B. 1970. Workbook of Atmospheric Dispersion Estimates. Office of Air Programs Publication No. Ap-26 (NTIS PB 191 482). U.S. Environmental Protection Agency, Research Triangle Park, NC., 84 pp.



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