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Permanent link (DOI): https://doi.org/10.7939/R3VH5CM09

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Meteorological factors affecting ambient SO2 concentrations near an oil sands extraction plant Open Access

Descriptions

Author or creator
Strosher, M. M.
Peters, R. R.
Additional contributors
Subject/Keyword
Air Quality
AOSERP AS 2.1
Oilsands
AOSERP
Climatology
Oil Sands
Tar Sands
Tarsands
Alberta
Type of item
Report
Language
English
Place
Canada, Alberta, Fort McMurray
Time
Description
Occurrences of maximum 0.5 h hour ground level measurements of SO2 near a point source are related to the meteorological processes at the time such that a cause analysis of the occurrences is established. Measurements, from a 10 station, continuous air quality monitoring network, range from 0.12 to 0.65 ppm and are taken over a 2 year period, from 1976 to 1978, in the Alberta Oil Sands Environmental Research Program (ASOERP) study area. Point source emissions during this period average 125 tonnes sulphur per day (125 MTS/day). Meteorological data used in the analysis consist of local minisonde temperature profiles, synoptic weather maps, wind and temperature data from a 152 m tower, data from a nine station climatology network, local measurements of incoming solar radiation, and airport weather office and regional radiosonde observation (RAOB) data. Analysis of ambient monitoring measurements indicates that SO2 concentrations can be grouped into case data sets that suggest an influence of specific synoptic weather systems. Results of the analysis show that the soconcentrations are caused by arctic air mass inversions occurring in the spring, fall, or winter seasons. Frontal inversions with moderate winds, and convective mixing have also been identified as contributing factors for other cases, occurring in the spring. Comparison of observed and calculated ground level concentrations is made using Alberta Environment's dispersion program. The two-layer model predicts within a factor of 2 for the trapping cases. The unlimited mixing cases only predict to within a factor of 10 to 100.
Date created
1980
DOI
doi:10.7939/R3VH5CM09
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Rights
This material is provided under educational reproduction permissions included in Alberta Environment and Sustainable Resource Development's Copyright and Disclosure Statement, see terms at http://www.environment.alberta.ca/copyright.html. This Statement requires the following identification: \"The source of the materials is Alberta Environment and Sustainable Resource Development http://www.environment.gov.ab.ca/. The use of these materials by the end user is done without any affiliation with or endorsement by the Government of Alberta. Reliance upon the end user's use of these materials is at the risk of the end user.
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Filename: AS 2.1 Sept 1980.pdf
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