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Detailed Characterization of Solute Transport in a Heterogeneous Field Soil

Fernando Garridoa, Masoud Ghodratib, Chris G. Campbellb and Michael Chendorainb

a Centro de Ciencias Medioambientales, Consejo Superior de Investigaciones Científicas, Serrano 115-dup. E-28006-Madrid, Spain
b Ecosystem Sciences Division, Dep. of Environmental Science Policy and Management, Univ. of California, 151 Hilgard Hall, Berkeley, CA 94720-3110



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Fig. 1. Schematic plot design and instrumentation. Fiber optic miniprobes (FOMPs) and time domain reflectometry (TDR) are identified by their respective numbers at each depth level

 


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Fig. 2. Plot of the mass recoveries of the fiber optic miniprobes (FOMPs) at different spatial locations in the plot

 


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Fig. 3. Breakthrough curves (BTCs) measured by the fiber optic miniprobes (FOMPs) at the 0.10-m depth for a 20-mm pulse of 4 g/L pyranine. MR = mass recovery

 


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Fig. 4. Breakthrough curves (BTCs) measured by the fiber optic miniprobes (FOMPs) at the 0.20-m depth for a 20-mm pulse of 4 g/L pyranine. MR = mass recovery

 


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Fig. 5. Cumulative breakthrough curves (BTCs) of conservative CaCl2 measured during the calibration of the time domain reflectometry (TDR) probes

 


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Fig. 6. Breakthrough curves (BTCs) measured by the time domain reflectometry (TDR) probes at the 0.10-m depth for a 20-mm pulse of 4 g/L pyranine. MR = mass recovery

 


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Fig. 7. Breakthrough curves (BTCs) measured by the time domain reflectometry (TDR) probes at the 0.20-m depth for a 20-mm pulse of 4 g/L pyranine. MR = mass recovery

 


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Fig. 8. Response measured by the 0.05-m-long time domain reflectometry (TDR) probes inserted into the first 50 mm of the soil horizon

 


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Fig. 9. The bimodal convective lognormal transfer function (CLT) model fitted to the four time domain reflectometry (TDR) probes at the 0.10-m depth in the soil

 





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education
Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2001 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.