Abstract
A new approach is proposed to delineate the source-receptor relationship in an Eulerian model. A small, unique oscillatory signal is superimposed on each emission source in the airshed. At receptor sites the concentration time series are analyzed by a Fourier transform to give the amplitudefrequency spectrum. Distinct peaks found in the spectrum are identified at the emission frequencies. The amplitude of the spectrum at the source frequency represents the individual contribution from that emitter. Various atmospheric transport and diffusion models are solved to show the effects of different physical and chemical processes on the oscillatory signals. Both analytical and numerical solutions are used to demonstrate the performance of the method.
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The National Center for Atmospheric Research is sponsored by the National Science Foundation.
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Hsu, HM., Chang, J.S. On the Eulerian source-receptor relationship. J Atmos Chem 5, 103–124 (1987). https://doi.org/10.1007/BF00192506
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DOI: https://doi.org/10.1007/BF00192506