Assessing sewer–groundwater interaction at the city scale based on individual sewer defects and marker species distributions |
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| Authors: | Leif Wolf M Eiswirth H Hötzl |
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| Institution: | (1) Department of Applied Geology, University of Karlsruhe, 76128 Karlsruhe, Germany |
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| Abstract: | By combining a sewer defect database and hydrogeological information, it has been attempted to assess sewer–groundwater interaction
at the scale of the city of Rastatt (SW-Germany). Comprehensive hydrochemical samplings, including a series of new marker
species, have been conducted in the urban aquifer and used for validation. The iodated X-ray contrast media, amidotrizoic
acid and iothalamic acid, can be considered as highly specific for wastewater influence and have been found in several groundwater
observation wells.
M. Eiswirth deceased |
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| Keywords: | Urban groundwater Sewer system Sewer defects Marker species |
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