DEVELOPMENT AND VERIFICATION OF THE CALIFORNIA LINE SOURCE DISPERSION MODEL

A description of the California Line Source Dispersion Model, CALINE4, is given, along with a brief history of the model's development. CALINE4 is based on the Gaussian plume methodology and is used to predict air pollutant concentration near roadways. Predictions can be made for carbon monoxide, nitrogen dioxide, and suspended particulates. An option for modeling air quality near intersections is described. CALINE4 represents an updated and expanded version of CALINE3. The newer model can handle a greater variety of problems and has improved input/output flexibility. Estimates of vertical and horizontal dispersion are enhanced by accounting for vehicle-induced thermal turbulence and wind direction variability. CALINE4 is verified by using results from five separate field studies. Comparisons to CALINE3 indicate modest improvements in the accuracy of the newer version.

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/trr/1988/1176/1176-010.pdf
• Record URL:
  • https://scholar.google.com/scholar_lookup?title=DEVELOPMENT+AND+VERIFICATION+OF+THE+CALIFORNIA+LINE+SOURCE+DISPERSION+MODEL&author=P.+Benson&publication_year=1988
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03611981
• Supplemental Notes:
  • This paper appears in Transportation Research Record No. 1176, Research on Noise and Environmental Issues. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Benson, Paul E
• Publication Date: 1988

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 69-77
• Monograph Title: Research on noise and environmental issues
• Serial:
  • Transportation Research Record
  • Issue Number: 1176
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Accuracy; Air pollution; Carbon monoxide; Chemical concentration; Forecasting; History; Intersections; Nitric oxide; Nitrogen oxides; Particulates
• Uncontrolled Terms: Concentration
• Old TRIS Terms: California line source dispersion model; Gaussian plume model
• Subject Areas: Highways; History;

Filing Info

• Accession Number: 00485231
• Record Type: Publication
• Files: TRIS, TRB, ATRI
• Created Date: Jul 31 1989 12:00AM