A Lagrangian Solution to the Relationship between Source Strength and Concentration Profile Under Conditions of Local Advection |
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Authors: | Guowang Qiu Jon S. Warland |
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Affiliation: | (1) Department of Land Resource Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1 |
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Abstract: | We propose a two-dimensional Lagrangian analytical solution for relating source strength and concentration profiles within and above a plant canopy. The new solution describes passive scalar dispersion under conditions of local advection through a fetch correction function in a one-dimensional Lagrangian analytical dispersion model. The model is capable of predicting absolute concentration profiles of passive scalars for different fetches for situations in which the reference concentration is known or the background concentration is available. Tests of the model showed good agreement with measurements from field and wind-tunnel experiments. |
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Keywords: | Fetch Lagrangian model Local advection Plant canopy |
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