Hydrodynamic Dispersion of Solutes in the Soil Moisture Stream1
- Paul R. Day and
- Warren M. Forsythe2
The soil moisture stream is characterized, even in the simplest cases, by a heterogeneous velocity pattern that affects the movement of dissolved solutes. The solutes are carried by the moving stream at diverse rates, causing a spreading action whose amount depends upon the detailed pattern of the flow.
The amount of dispersion (σ
The experiments with ion exchange resin described herein indicate that the free ions are translocated in accordance with Scheidegger's probability theory. One concludes that the movement of dissolved solutes in the soil moisture stream cannot be determined adequately from the average fluid velocity unless the hydrodynamic dispersion effect is taken into account.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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