Model Development

• Root exploration via root growth and death
  • Forcing function for rhizosphere contact with contaminants
• Six rhizosphere zones
  • Important effect via rate(s) and soil volume
• Root decomposition (first order return to bulk soil)
  • Accelerated contaminant decay due to release of co-metabolic compounds on root death?

Root decomposition: Dormaar and Willms (1993)

Degradation constants: Fiorenza et al. (2000) TPH)

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