Barrier Elements

TWODAN Impermeable and Resistant Barrier Elements

Funnel and Gate Remediation

The plot below shows two open-ended impermeable barriers in a simulation of a funnel and gate remediation. There is a high conductivity heterogeneity in the region to the left of the gate.

Funnel and Gate
Funnel and Gate Remediation

Hydraulic Isolation with Extraction

The plot below is of a closed, resistant boundary with a well pumping inside it. This type of remediation is sometimes used to isolate the contamination zone and reduce the amount of clean water pumped.

Hydraulic Isolation
Hydraulic Isolation with Extraction

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