A simple radiation model for the tar sands area

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  • Hourly data on net surface radiation (Q) on a horizontal surface are analyzed. An equation which computes the diurnal variation of Q from a knowledge of cloud cover and the sun's declination is presented for use in operational air quality models. The three constants in the model (characteristic frequency n, clear skies constant Ki and cloud cover constant Kc) are evaluated using radiation data collected in Alberta at 57o1' latitude near the $2.14 billion tar sands plant of Syncrude Canada Ltd. The numerical values of the cloud cover constant Kc (0.3 to 0.9) agree qualitatively with the values reported by Russian researchers Kondrat'yev and Doronin.

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    Conditions of Use Kumar, A., 1978. A simple radiation model for the tar sands area. Syncrude Canada Ltd., Edmonton, Alberta. Professional Paper 1978-3. 28 pp. Permission for non-commercial use, publication or presentation of excerpts or figures is granted, provided appropriate attribution (as above) is cited. Commercial reproduction, in whole or in part, is not permitted without prior written consent. The use of these materials by the end user is done without any affiliation with or endorsement by Syncrude Canada Ltd. Reliance upon the end user's use of these materials is at the sole risk of the end user.