Equilibrium evaporation beneath a growing convective boundary layer |
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| Authors: | Alistair D Culf |
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| Institution: | (1) Institute of Hydrology, OX10 8BB Wallingford, Oxon, UK |
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| Abstract: | Expressions for the equilibrium surface Bowen ratio (
s
) and equilibrium evaporation are derived for a growing convective boundary layer (CBL) in terms of the Bowen ratio at the top of the mixed layer
i
and the entrainment parameter A
R
. If AR is put equal to zero, the solution for
s
becomes-that previously obtained for the zero entrainment or  closed box model. The Priestley-Taylor parameter  is also calculated and plotted in terms ofA
R
and
i
. Realistic combinations of the atmospheric parameters give values of in the range 1.1 to 1.4. |
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| Keywords: | |
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