Determination of average field scale soil surface temperature from meteorological measurements

Gabriel Katul, Marc B. Parlange

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A simple procedure is presented for the determination of field scale soil surface temperature using meteorological and surface energy measurements. An advectionaridity evaporation model, in conjunction with the surface energy budget, is used to solve for the sensible heat flux. The calculated sensible heat flux and Monin-Obukhov surface layer similarity theory for temperature are employed to obtain the field scale temperature. A theoretical model to define the scalar roughness length is applied. The model correlated well (r2 = 0.91) with infrared surface temperature measurements. Error analysis indicated that the procedure conserved the higher statistical moments and the maximum daily observed surface temperature.

Original languageEnglish
Pages (from-to)166-174
Number of pages9
JournalSoil Science
Issue number3
Publication statusPublished - 1993
Externally publishedYes

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