129Iodine: a new tracer for surface water/groundwater interaction
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Description
We measured <sup>129</sup>I/<sup>127</sup>I ratios in about 30 major rivers and found a strong signal of anthropogenic <sup>129</sup>I in all of them (Moran et al., 1998). The effect of local point sources ,such as the Savannah River Facility and Hanford Facility are easily observed in the Savannah and Columbia Rivers, respectively. Likewise, the Rhine and Rhone rivers in Switzerland, have ratios well above �background� due to their proximity to the main global source in northwest Europe. Away from local point sources, one observes a mixing trend between atmospherically-delivered <sup>129</sup>I from European nuclear fuel reprocessing facilities, and low-ratio iodine derived from soil …
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Lawrence Livermore National Laboratory (LLNL), Livermore, CA
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Livermore, California
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Description
We measured <sup>129</sup>I/<sup>127</sup>I ratios in about 30 major rivers and found a strong signal of anthropogenic <sup>129</sup>I in all of them (Moran et al., 1998). The effect of local point sources ,such as the Savannah River Facility and Hanford Facility are easily observed in the Savannah and Columbia Rivers, respectively. Likewise, the Rhine and Rhone rivers in Switzerland, have ratios well above �background� due to their proximity to the main global source in northwest Europe. Away from local point sources, one observes a mixing trend between atmospherically-delivered <sup>129</sup>I from European nuclear fuel reprocessing facilities, and low-ratio iodine derived from soil weathering (Moran et al., 1998). This anthropogenic <sup>129</sup>I should be easily observable in soil water and shallow groundwater anywhere in the northern hemisphere.
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Hoehn, E; Oktay, S & Santschi, P H.129Iodine: a new tracer for surface water/groundwater interaction,
article,
December 1, 1998;
Livermore, California.
(https://digital.library.unt.edu/ark:/67531/metadc711244/:
accessed April 24, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.
