A study of the meteorological conditions which developed a classic "fumigation" inland from a large lake shoreline source: M38-8/106E-PDF

"The study describes the change in meteorological conditions and associated air quality both at ground level and aloft from just prior to sunrise, at which time a stable atmosphere and low ground level pollutant concentrations existed, to the early afternoon of the same day when solar heating resulted in the development of a classic inversion fumigation condition for a period of a few hours. Profiles of temperatures and winds were obtained using specifically designed battery operated radiosonde receivers with slow rise balloons. The spatial distribution of sulphur dioxide concentrations was obtained utilising two automobiles and a helicopter each instrumented with a continuous rapid response analyser. The plume was measured to rise to a level at which an intensification of an inversion was noted. Average ground level concentrations as high as 0.90 ppm were measured at a distance of 6 km from the source during the inversion fumigation. The measured concentrations compared well with predictions using established formulae"--Abstract, p. [1].

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Department/Agency Natural Resources Canada. Dept. of Energy, Mines and Resources. Mines Branch.
Title A study of the meteorological conditions which developed a classic "fumigation" inland from a large lake shoreline source
Series Title Reprint series ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note Cover title. At head of title: Mines Branch program on environmental improvement. "Reprint no. 71-132 from the Proceedings of the 64th Annual Meeting of the Air Pollution Control Association held in Atlantic City, New Jersey, June 27 to July 2, 1971." Historical publication digitized from print 2017 [by Natural Resources Canada].
Date 1971.
Number of Pages 13, [18] p. :
Catalogue Number
  • M38-8/106E-PDF
Departmental Catalogue Number 300185
Subject Terms Electric power stations, Air pollution, Air quality, Weather