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Unsteady state drainage in a vertically heterogeneous soil
Institution:1. Biomedical Sciences Research Complex and EaStCHEM, School of Chemistry, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9ST, United Kingdom;2. The Drug Discovery Unit, James Black Complex, University of Dundee, Dow Street, Dundee DD1 5EH, United Kingdom;3. Department of Chemistry and Biochemistry, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0358, USA;4. Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 77 Stockholm, Sweden;5. State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan, China 610065;1. Tetra Tech Inc., Sterling, VA, USA;2. Earth and Environmental Sciences Division, Los Alamos National Laboratory, NM, USA\n;1. Mathematics Department, Faculty of Science, Taibah University, Al-Madinah Al-Munawarah, Saudi Arabia;2. Department of Mathematics, University of Education, Lahore, Multan Campus, Pakistan;3. Technology and Science Department, Ranyah University Collage, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Abstract:An analytical model is presented for prediction of transient water table heights between two parallel drains for a vertically heterogeneous soil. The drains lie on a horizontal impervious layer. The model was applied to field conditions for prediction of water table fluctuations in a clay soil whose hydraulic conductivity decreased exponentially with depth. The predicted results compared reasonably correctly with field observations for a given long-term rainfall input.
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