Deuterium oxide (heavy water; 2H20; D20) when injected into the water table gives direct insight into the movement and distribution of groundwater within the aquifer. Deuterium analyses allows detection in small amounts enabling scientists to follow its movement and therefore providing key information on how and where water is flowing (groundwater hydrology). Hydrology using deuterium as a tracer is applied in environmental studies, water and waste-water mapping, and more recently in monitoring of “fracking” used in exploration for natural gas by oil field services and applications or as a tracer in drilling fluids (used to determine if drilling fluid penetrated the core) and geological research departments. As there are no harmful chemicals associated with deuterium oxide and deuterium oxide is a stable isotope, its hydrology applications cause no environmental hazards. For information on deuterium oxide in hydrology applications please click here:
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