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1979
Gaudenzi, A., Moser, A., Mickle, R., Bagg, D., Arnold, J., Markes, J., Lusis, M., Melnichuk, S., Brymer, D., Kovalick, J., Fanaki, F., Froude, F., Gallant, A.
The second in a series of Atmospheric Environment Service field studies in the Athabasca Oil Sands area was carried out during 3-13 February 1977. The objectives of the study were the same as those of the March 1976 study, namely to obtain information on the meteorology of the area and/or the...
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1985
Atmospheric emissions from oil sands plants are regulated by government. Both Syncrude Canada Ltd. and Suncor Inc. independently operate emission and air quality monitoring and reporting systems. The systems include air quality monitoring trailers and sulphation cylinder stations. In addition...
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Calculations of annual averaged sulphur dioxide concentrations at ground level in the AOSERP study area
Download1977
The Climatological Dispersion Model and the input data required for calculation of annual averaged values of sulphur dioxide concentrations at ground level are described. The most important meteorological input to the model is the long-term joint frequency distribution of winds in the vicinity of...
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1985
A field study has been undertaken at the Sandalta lease near Fort McMurray to determine the sulphur dioxide dry deposition velocities above and within a tree canopy. The concentration gradient method has been used to compute fluxes and dry deposition velocities. The covariance of temperature...
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1986
Air pollution and its effects on various ecosystems has been a subject of increasing controversy. The European forest damage situation has heightened the public's awareness of the problem. Historically, the observed pollution damage was believed to be due mainly to sulphur dioxide pollution. ...
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Interim report on physiology and mechanisms of air-borne pollutant injury to vegetation, 1975 to 1978
Download1979
Biochemical studies conducted under controlled conditions suggested that low concentrations of SO2 which normally do not produce any visual symptoms on the foliage cause injury to forest vegetation by altering pigment (chlorophyll, phaeophytin and chlorophyllide) metabolism, by inhibiting lipid...
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Interim report on symptomology and threshold levels of air pollutant injury to vegetation, 1975 to 1978
Download1979
Malhotra, S. S., Addison, P. A.
Six boreal forest plant species were fumigated in a newly developed environmental growth chamber with SO2 control capability,for up to 40 days at 0.34 ppm SO2. All species showed a gradual decline in CO2 gas exchange which was related to symptom development characteristic of SO2 toxicity. Paper...
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Lake acidification potential in the Alberta oil sands environmental research program study area
Download1979
Numerous lakes in Scandinavia and eastern North America have been damaged by acidic precipitation induced by anthropogenic oxides of sulphur and nitrogen. On first approximation, lakes near present oil sands operations would not be susceptible to acidification due to buffering provided by their...
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1978
In March 1976, the first in a series of intensive field studies was carried out in the Alberta Oil Sands Environmental Research Program study area in northeastern Alberta to examine the fine structure of the atmosphere and dispersion characteristics under winter conditions. The study comprised...
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Progress report for 1982: Pinus banksiana-dominated permanent plots in the Athabasca oil sands
Download1983
Of the 16 permanent plots established in 1981, four of these, Nos. 1,6,11, and 13 were destroyed by fire shortly after they were surveyed. In 1982, four new plots were established to replace the burned ones. They were selected to represent the same impingement zones as the burned plots. Other...