Browsing by Subject Above water table

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  • BB

  • Authors: Balliston, N.E.;  Advisor: -;  Participants: Price, J.S. (2020)

  • The field rate of solute accumulation was slower in near‐surface (0–5 cm) peat, where low water contents limited pore connectivity. Solute accumulation was reduced by downward flushing by rain, though this was lesser in near surface moss where solute remained held in small disconnected pores. In the laboratory, Cl− rise reached the 15‐cm depth in all mesocosms by Day 65. Sodium rise was 2.2 times slower, likely due to adsorption to the peat matrix. Rates of upwards solute movement were highly variable; the highest rates occurred in the mesocosm with small but hydrologically conductive pores near the surface, and the lowest occurred where vascular roots disrupted the physical structure...