A solution for simultaneous turbulent heat and vapor transfer between a water surface and the atmosphere

Gour Tsyh Yeh, Wilfried Brutsaert

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Interaction between sensible heat and water vapor diffusion in the lower atmosphere leads to the necessity of solving two simultaneous turbulent diffusion equations. This solution is obtained by the construction of Green's function which when incorporated in the boundary conditions produces two integral equations. These are solved by transformation into two algebraic equations by means of the Laplace Transformation. The results show how for a simple steady-state case, sensible heat and water vapor transfer and also the water surface temperature depend on the meteorological conditions and the rate of change of energy content of the water body. Due to advection, the water surface temperature and the turbulent fluxes vary in the downwind direction. However, for practical calculations of the mean evaporation or heat transfer, the error introduced by the use of an average temperature is usually quite small and negligible.

Original languageEnglish
Pages (from-to)64-82
Number of pages19
JournalBoundary-Layer Meteorology
Volume2
Issue number1
DOIs
StatePublished - Mar 1971

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