Abstract
An extensive micrometeorological data set from the 1976 International Turbulence Comparison Experiment (ITCE) is analysed to determine flux-gradient relationships in an unstable atmosphere for momentum, sensible heat and water vapour transfers. The data are first analysed for internal consistency, resulting in the rejection of some data. Following a least-square fit to the remaining data in the form Φ/k = (1 − αz/L)-β/k, rounded-off values of k, α, and β are selected for each form of transfer consistent with the statistical accuracy of the measurements. The equations finally adopted are Φ M = (1 − 28z/L)-1/4 and Φ H, W = (1 − 14z/L)-1/2 with k M = kH = kW = 0.40.
These expressions fit the averaged observations to within a few per cent in the stability range of the experiment (-4 < z/L < -0.004).
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Dyer, A.J., Bradley, E.F. An alternative analysis of flux-gradient relationships at the 1976 ITCE. Boundary-Layer Meteorol 22, 3–19 (1982). https://doi.org/10.1007/BF00128053
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DOI: https://doi.org/10.1007/BF00128053