Mathematical Investigation of Evaporation Synergy in Bi-Texture Soil Columns as a Function of Column Width Public

http://ir.library.oregonstate.edu/concern/honors_college_theses/zc77ss08b

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  • Evaporation synergy is a phenomenon that occurs between different classes of soil and allows for a greater amount/quantity of soil water evaporation. 20 of the 66 soil texture class combinations have been shown to exhibit evaporation synergy (Fisher, 2012), however the impact of column width on the functionality of this process is unknown. The 20 synergizing combinations were tested for sensitivity to evaporation with an increasing column width. With a maximum width of 451 cm, 6 of the 20 had ceased evaporation synergy. One combination – loamy sand and silty clay loam – showed the behavior of nodes approached a homogeneous behavior as the distance from the vertical boundary increased. At 75 cm, the bi-texture silty clay loam behaved identical to a homogeneous silty clay loam.
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