Abstract
Dry deposition of SO2 to snow was studied under well-controlled laboratory conditions and described using a diffusion and aqueous-phase reaction model. The amount of sulfur uptake depended strongly on the liquid-water content of the snow, the time scale considered, the SO2 concentration and the S(IV) to S(VI) oxidation rate. The average deposition velocity in 48 experiments of 6–12 hr duration each was 0.06 cm s-1, with lower values for subzero snow (0.02–0.05 cm s-1) and higher values for snow at 0°C (> 0.07 cm s-1). Average penetration of sulfur into the snowpack was 4–7 cm.
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References
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© 1987 D. Reidel Publishing Company
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Bales, R.C., Valdez, M.P., Dawson, G.A., Stanley, D.A. (1987). Physical and Chemical Factors Controlling Gaseous Deposition of SO2 to Snow. In: Jones, H.G., Orville-Thomas, W.J. (eds) Seasonal Snowcovers: Physics, Chemistry, Hydrology. NATO ASI Series, vol 211. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3947-9_17
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DOI: https://doi.org/10.1007/978-94-009-3947-9_17
Publisher Name: Springer, Dordrecht
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