Abstract
Vertical gradients of sulphur dioxide concentration have been measured over grass, snow, and water surfaces in order to assess the importance of these surfaces as SO/sub 2/ sinks. Concentrations were usually found to be lower near the surface indicating that removal occurs there. Vertical concentration gradients, normalized with repect to the concentration at 8 m, were generally greatest over water and least over snow, independent of meteorological conditions, suggesting that a water surface is the strongest SO/sub 2/ sink, with grass next, and snow weakest. The turbulent transfer of SO/sub 2/ to the interface is discussed in relation to stability of the lower atmosphere and physical and chemical properties of the surfaces. Using a bulk aerodynamic transfer approach similar to that for water vapour, values of SO/sub 2/ flux averaged over periods of from one to several hours were found to be of the order of 1 microgram/M/sup 2//S to the water and grass surfaces, and an order of magnitude smaller to the snow surface. Deposition velocities were found to be of the order of 1 cm/s.
Citation Formats
Whelpdale, D M, and Shaw, R W.
Sulphur dioxide removal by turbulent transfer over grass, snow, and water surfaces.
Sweden: N. p.,
1974.
Web.
doi:10.1111/j.2153-3490.1974.tb01967.x.
Whelpdale, D M, & Shaw, R W.
Sulphur dioxide removal by turbulent transfer over grass, snow, and water surfaces.
Sweden.
https://doi.org/10.1111/j.2153-3490.1974.tb01967.x
Whelpdale, D M, and Shaw, R W.
1974.
"Sulphur dioxide removal by turbulent transfer over grass, snow, and water surfaces."
Sweden.
https://doi.org/10.1111/j.2153-3490.1974.tb01967.x.
@misc{etde_6608829,
title = {Sulphur dioxide removal by turbulent transfer over grass, snow, and water surfaces}
author = {Whelpdale, D M, and Shaw, R W}
abstractNote = {Vertical gradients of sulphur dioxide concentration have been measured over grass, snow, and water surfaces in order to assess the importance of these surfaces as SO/sub 2/ sinks. Concentrations were usually found to be lower near the surface indicating that removal occurs there. Vertical concentration gradients, normalized with repect to the concentration at 8 m, were generally greatest over water and least over snow, independent of meteorological conditions, suggesting that a water surface is the strongest SO/sub 2/ sink, with grass next, and snow weakest. The turbulent transfer of SO/sub 2/ to the interface is discussed in relation to stability of the lower atmosphere and physical and chemical properties of the surfaces. Using a bulk aerodynamic transfer approach similar to that for water vapour, values of SO/sub 2/ flux averaged over periods of from one to several hours were found to be of the order of 1 microgram/M/sup 2//S to the water and grass surfaces, and an order of magnitude smaller to the snow surface. Deposition velocities were found to be of the order of 1 cm/s.}
doi = {10.1111/j.2153-3490.1974.tb01967.x}
journal = []
volume = {26}
journal type = {AC}
place = {Sweden}
year = {1974}
month = {Jan}
}
title = {Sulphur dioxide removal by turbulent transfer over grass, snow, and water surfaces}
author = {Whelpdale, D M, and Shaw, R W}
abstractNote = {Vertical gradients of sulphur dioxide concentration have been measured over grass, snow, and water surfaces in order to assess the importance of these surfaces as SO/sub 2/ sinks. Concentrations were usually found to be lower near the surface indicating that removal occurs there. Vertical concentration gradients, normalized with repect to the concentration at 8 m, were generally greatest over water and least over snow, independent of meteorological conditions, suggesting that a water surface is the strongest SO/sub 2/ sink, with grass next, and snow weakest. The turbulent transfer of SO/sub 2/ to the interface is discussed in relation to stability of the lower atmosphere and physical and chemical properties of the surfaces. Using a bulk aerodynamic transfer approach similar to that for water vapour, values of SO/sub 2/ flux averaged over periods of from one to several hours were found to be of the order of 1 microgram/M/sup 2//S to the water and grass surfaces, and an order of magnitude smaller to the snow surface. Deposition velocities were found to be of the order of 1 cm/s.}
doi = {10.1111/j.2153-3490.1974.tb01967.x}
journal = []
volume = {26}
journal type = {AC}
place = {Sweden}
year = {1974}
month = {Jan}
}