A simple method for estimating design hydraulic loading rates in ...

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Soil textural class K s n α θ r θ scm d -1cm -1cm 3 cm -3Sand 642.98 3.18 0.0353 0.053 0.375Loamy sand 105.12 1.75 0.0347 0.049 0.390Silt 43.74 1.68 0.0066 0.050 0.489Sandy loam 38.25 1.45 0.0267 0.039 0.387Silt loam 18.26 1.66 0.0051 0.065 0.439Clay 14.75 1.25 0.0150 0.098 0.459Sandy clay loam 13.19 1.33 0.0211 0.063 0.384Loam 12.04 1.47 0.0111 0.061 0.399Sandy clay 11.35 1.21 0.0334 0.117 0.385Silty clay loam 11.11 1.52 0.0084 0.090 0.482Silty clay 9.61 1.32 0.0162 0.111 0.481Clay loam 8.18 1.41 0.0158 0.079 0.442From Rosetta Lite database in HYDRUS
Biomat Properties• Finch et al (2007)• Measurements from 6 OWS sites in Georgia• Biomat average thickness ( (Z b ) = 0.5 cm• Biomat average saturated hydraulicconductivity ( (K bs ) = 0.23 cm/day• We assumed a loam texture for biomat inall simulations
Page 1 and 2: A Simple Method for EstimatingDesig
Page 3 and 4: Absorption Field Trench
Page 5 and 6: Design Hydraulic Loading Rate• Si
Page 7 and 8: Bouma EquationKh ( s)Hydraulic Cond
Page 9 and 10: Bouma EquationHydraulic Conductivit
Page 11: Objectives• Develop simple method
Page 16: Deep water table201816Bouma bottom
Page 21 and 22: Deep water table2018Modified Bouma
Page 23 and 24: Hydraulic Conductivity or Biomat Fl
Page 31: Conclusions• Modified Bouma equat

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