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Observations of ‘freezing-induced redistribution’ in soil lysimeters
Authors:Adrian P Butler  Stephen Burne  Howard S Wheater
Abstract:Data are presented of vertical profiles of soil water potential and soil temperature from a field lysimeter experiment with automatic water-table control at Silwood Park, Ascot, UK. The observed water-table fluxes confirm the analysis of profile response, which shows a diurnal pattern of upward water movement as a result of surface freezing, followed by reversed flow when soil thawing occurs. The results provide a clear, and relatively rare, illustration of the phenomenon of freezing-induced redistribution.
Keywords:lysimeters  freezing-induced redistribution  soil water potential
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