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Method for determining material exchange rate between water body and porous media, involves adjusting material concentration difference between water body and porous medium, and determining material concentration in body as function of time
Method for determining material exchange rate between water body and porous media, involves adjusting material concentration difference between water body and porous medium, and determining material concentration in body as function of time
The method involves pumping a water body in a cycle into an open or closed reactor, in order to achieve a homogeneous distribution of material in the water body. The reactor is filled with a water-saturated porous medium in a lower part and with the water body in an upper part. Pressure differences acting in a natural surface water on the porous medium is adjusted. A concentration difference of the material between the water body and the porous medium is adjusted. A material concentration in the water body is determined as a function of time. An independent claim is also included for a device for determining rate of material exchange between a water body and a porous media in surface water.
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