Abstract
In connection with a nuclear site evaluation program two meteorological masts have been operated for 3 years, one placed directly on a shoreline, the other 1 km inland. Substantial differences in the distribution of wind speed, wind direction and stability have been found between the two masts, reflecting the differences in surface temperature and roughness of the water and land surfaces. This paper solely deals with the distribution of dispersion categories at the two stations, seen in relation to the water - land differences.
The meteorological parameters measured are related to dispersion conditions by use of zo, the roughness length, and L, the Monin-Obukhov length. THis is done by relating Pasquill’s σz-curves to the corresponding values obtained by use of a K model for a continuous ground-level source. Hereby the difficulties, associated with the different roughness and thermal properties of land and water, is avoided.
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© 1985 Plenum Press, New York
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Larsen, S.E., Gryning, SE. (1985). Dispersion Conditions Over Land and Water in a Coastal Zone Revealed by Measurements at Two Meteorological Masts. In: De Wispelaere, C. (eds) Air Pollution Modeling and Its Application IV. Nato — Challenges of Modern Society, vol 7. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2455-3_16
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DOI: https://doi.org/10.1007/978-1-4613-2455-3_16
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