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Diagram of soil temperature and heat flux computation in a soil profile (a) and a flowchart for the calculation of the temperature of each soil layer (b). Ta is the air temperature; T, K, z, and H are the temperature, thermal conductance, depth, and heat storage capacity of a soil layer, respectively; and i indicates the specific soil layer. Cl, Sa, and θ are the soil clay, sand, and water content, respectively, in a given soil layer.
