Formation conditions and the environmental state of fresh groundwater in dimitrovgrad area by isotopic-hydrochemical data |
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| Authors: | A I Tikhonov A M Sobolev V P Tikhonov A V Vasil’ev S V Osipova N E Mironova |
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| Institution: | 1. Research Institute of Geological and Geoecological Problems, ul. Akademika Koroleva 1, Cheboksary, 428023, Russia
2. SSC-Research Institute of Atomic Reactors, Dimitrovgrad-10, Ul’yanovsk oblast, 433510, Russia
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| Abstract: | Integrated uranium-isotopic and microhydrochemical studies were used to develop an indicator model of formation and circulation of drinking groundwater of Neogene-Quaternary deposit and to assess their current ecological state. The paths of subsurface flows of infiltration recharge are identified and traced, and the zones of deep-water inflow are identified and delimited. The total pollution index of groundwater from Neogene-Quaternary aquifer system was found to far in excess of the acceptable level because of an elevated concentrations of iron, manganese, and phosphorus of anthropogenic and deep-seated origin. |
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