Effect of tracer buoyancy on tracer experiments conducted in fractured crystalline bedrock
Geophysical Research Letters2003Vol. 30(3)
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Abstract
Tracer buoyancy has been shown to influence breakthrough from two‐well tracer experiments conducted in porous media. Two‐well tracer experiments are presented from fractured crystalline bedrock, in which the specific gravity of the tracer injectate varied from 1.0002 to 1.0133. Under the forced hydraulic conditions imposed, no difference in breakthrough was noted for the three experiments. These results show that even relatively dense tracer injectate solutions may have an insignificant effect on breakthrough when imposed gradients are sufficiently large.
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