Limitations of the Eddy-correlation technique for the determination of turbulent fluxes near the surface |
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Authors: | J R Garratt |
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Institution: | (1) CSIRO Division of Atmospheric Physics, Aspendale, Victoria, Australia |
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Abstract: | Recent measurements of turbulent fluxes by Desjardins and Lemon (1973) probably involve underestimates in these fluxes of 40 % or more, because of poor sensor response to high frequency fluctuations. Indications are that use of the Gill propeller anemometer as a sensor of vertical velocity fluctuations should be confined to heights greater than 5 m over land, and greater than 10 m over the sea. |
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