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Hydrogeological and hydrological data contained in records of contaminated sites in the SEKM database
Tylčer, Jiří ; Suchánek, Zdeněk
As of May 2022, approximately 10,200 contaminated and potentially contaminated sites are registered in the database of the Contaminated Sites Registration System (SEKM) updated by the National Inventory of Contaminated Sites project (NIKM, 2018-2021). Each structured record of such site contains a number of hydrogeological and hydrological characteristics, which serve primarily to assess the possibility of contamination migration. The most important synthetic parameter of the hydrogeological and hydrological conditions at the site is the "Possibility of migration of contamination". The basis for the assessment is the assignment of the site to one of the five groups of types of hydrogeological structures of contaminated sites. For the set of localities of the highest priority category A, we demonstrate statistical data on the occurrence of the monitored "hydro" parameters, broken down by five types of migration options, for each subcategory A1, A2 and A3. The summary map of the territory of the Czech Republic shows the location of 451 subject contaminated sites of priority category A.
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