The air density correction to eddy flux measurements |
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Authors: | Jones E P Smith S D |
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Institution: | (1) Atlantic Oceanographic Laboratory, Bedford Institute of Oceanography, B2Y 4A2 Dartmouth, Nova Scotia, Canada |
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Abstract: | Under the usual assumptions for the atmospheric surface layer, we show that air density fluctuations, particularly those due
to temperature fluctuations associated with a heat flux, result in a small mean vertical wind velocity. Because of this, there
can be a significant correction to eddy flux measurements of passive scalars, for example CO2, whose average concentration is very large compared to concentration fluctuations associated with the eddy flux. |
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