Water and chloride transport in a fine-textured soil in a feedlot pen

Journal of Contaminant Hydrology
E A VeizagaC J Ocampo

Abstract

Cattle feeding in feedlot pens produces large amounts of manure and animal urine. Manure solutions resulting from surface runoff are composed of numerous chemical constituents whose leaching causes salinization of the soil profile. There is a relatively large number of studies on preferential flow characterization and modeling in clayed soils. However, research on water flow and solute transport derived from cattle feeding operations in fine-textured soils under naturally occurring precipitation events is less frequent. A field monitoring and modeling investigation was conducted at two plots on a fine-textured soil near a feedlot pen in Argentina to assess the potential of solute leaching into the soil profile. Soil pressure head and chloride concentration of the soil solution were used in combination with HYDRUS-1D numerical model to simulate water flow and chloride transport resorting to the concept of mobile/immobile-MIM water for solute transport. Pressure head sensors located at different depths registered a rapid response to precipitation suggesting the occurrence of preferential flow-paths for infiltrating water. Cracks and small fissures were documented at the field site where the % silt and % clay combined is around 94...Continue Reading

References

May 10, 2002·Journal of Contaminant Hydrology·Jack F Schijven, Jirí Simůnek
Nov 18, 2008·Journal of Contaminant Hydrology·John Maximilian KöhneJirka Simůnek
Mar 31, 2009·Journal of Environmental Quality·Grace C VaillantJoel Derouchey
Oct 27, 2012·Journal of Environmental Quality·Ana R GarcíaAlicia R Fabrizio de Iorio
Feb 11, 2015·Cirugía española·Fernando de la PortillaAna María García Cabrera

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Citations

Aug 11, 2016·Journal of Contaminant Hydrology·Dan KarupLis W de Jonge
Oct 26, 2016·Journal of Contaminant Hydrology·E A VeizagaC J Ocampo
Oct 5, 2016·Journal of Contaminant Hydrology·Soumyadeep MukhopadhyayBhaskar Sen Gupta

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