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Record number 302332
Title Field-scale transport of water and bromide in a cracking clay soil
Author(s) Hendriks, R.F.A.; Hamminga, W.; Oostindie, K.; Bronswijk, J.J.B.
Source In: Vadose zone hydrology: cutting across disciplines / Silva, D., - p. 63 - 64.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Chapter in scientific book
Publication year 1995
Abstract The transport of a bromide tracer was studied in a cracking heavy clay soil. The soil was sampled six times and the groundwater and drain discharge were sampled frequently. Samples were analysed for bromide content. Solutes were transported in three domains: macropores, such as large continuous shrinkage cracks, with rapid transport of water and solutes through the unsaturated zone; smaller, more tortuous mesopores, which are quantitatively the most important, with lateral and vertical transport through the soil between the large macropores; micropores in the soil aggregates, which play only an indirect role in transport through solute retardation.
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