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

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Bouma EquationHydraulic Conductivity or Biomat Flux (cm/d)K h − h + Z0 s bbs= Kh (s)Z1 . b1001010.10.010 20 40 60 80 10010 3 Absolute Value of Matric Potential Head (cm)
Objectives• Develop simple method for estimating HLR Dbased on soil and biomat hydraulic properties• Use Bouma equation to estimate trench bottom fluxunder shallow ponding for 12 soil textural classes• Compare Bouma equation estimates to 2D computermodel (HYDRUS)• Take ½ flux as estimate of HLR D (safety factor of 2)• Compare estimates of HLR D to classification systemsthat have been proposed
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: Bouma EquationHydraulic Conductivit
Page 13: Biomat Properties• Finch et al (2
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

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

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