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MESOPUFF: Mesoscale Puff Model

It is a regional scale air pollution model, based on the puff approach, that tries to take into account the variability of physical and meteorological conditions that may take place at these scales. Each puff may follow an independent trajectory, it has a different diffusion, different chemical reactions, and dry and wet deposition. Up to five pollutants may be modelled: sulphur dioxide, sulphate, hydrogen oxide, nitric acid and nitrates. It works with time scales of few days.
The package includes a preprocessor for meteorological data and a post processor for concentration results.


area: air quality
objectives: simulation
description: puff model, trajectory model, regional scale, long term, long range, chemical reactive pollutants, deposition.


You can download the software from
EPA - SCRAM Models

or directly:

http://www.epa.gov/scram001/models/other/mesocode.zip(Source code, 124KB, ZIP)
http://www.epa.gov/scram001/models/other/mesopuf1.zip (Executable, Test Inputs and Readme, 342KB, ZIP)
http://www.epa.gov/scram001/models/other/mesopuf2.zip (Additional Program Executables, 673KB, ZIP)
http://www.epa.gov/scram001/models/other/mesoout.zip (Test Case Outputs, 560KB, ZIP)

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


J.S. Shire, F.W. Lurman, A. Bass, S.R. Hanna
Environmental Research & Technology, Inc.
696 Virgina Road
Concord Massachusset 01742


  • Benkley, C.W. and A. Bass 1979a. USER'S GUIDE TO MESOPUFF (Mesoscale Puff) - Model EPA 600/7-79-xxx, U.S. EPA, Research Triangle Park, NC., 141 pp.
  • Benkley, C.W. and A. Bass 1979b. USER'S GUIDE TO MESOPLUME (Mesoscale Plume Segment) - Model. EPA 600/7-79-xxx, U.S. EPA Research Triangle Park, NC., 124 pp.
  • Benkley, C.W. and A. Bass 1979a. USER'S GUIDE TO MESOPAC (Mesoscale Meteorology Package) - Model EPA 600/7-79-xxx, U.S. EPA, Research Triangle Park, NC., 76 pp.



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