Abstract
Tracer experiments have been carried out for different purposes, using a tracer technique developed by the Norwegian Institute for Air Research (NILU). Several experiments were aimed at quantifying diffuse leakages of hydrocarbons at different, petrochemical complexes in Norway and Sweden. Dispersion experiments in residential areas were undertaken especially to study cold, stable winter conditions. Tracer gas was also released from a tall stack at a coal fired power plant to investigate dispersion out to distances of 100 km.
Modelling was performed for different scales with different modelling techniques, also including simple proportionality models to estimate diffusive leakage emission rates. Various methods for the description of turbulence and dispersion was applied and verified with tracer gas concentration distribution on different scales.
Vertical and lateral spread was treated separately, and the choice of parameters for the dispersion models depended upon the actual state of the atmospheric boundary layer. The concentration distribution in the lateral direction was usually taken to be Gaussian, while for the vertical, several different approaches were suggested.
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© 1988 Kluwer Academic Publishers
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Sivertsen, B. (1988). Tracer Experiments to Estimate Diffusive Leakages and to Verify Dispersion Models. In: Grefen, K., Löbel, J. (eds) Environmental Meteorology. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2939-5_20
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DOI: https://doi.org/10.1007/978-94-009-2939-5_20
Publisher Name: Springer, Dordrecht
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