, Volume 102, Issue 3, pp 415-458

Flux Corrections Revisited

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In a horizontally homogeneous atmosphere, the calculation of thevertical fluxes of mass, momentum, and heat from point measurementsare to lowest order calculated as the standard eddy covariance.Additional terms primarily related to the mean vertical velocity areadded to improve the accuracy of the calculation. A review ofprevious work is undertaken. The fluxes are reformulated beginningwith the equations of conservation of mass, momentum, and energy. Aformula for the mean vertical velocity is found that is accurate tothe ideal gas approximation. Relations are developed between fluxesat different heights. In addition to the relations for fluxes ofmass, sensible heat, and latent heat, the fluxes of momentum andturbulent kinetic energy are also considered.