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DatoValore
TitleeNaBLe, an On-Line Tool to Evaluate Natural Background Levels in Groundwater Bodies
AbstractInorganic compounds in groundwater may derive from both natural processes and anthro-pogenic activities. The assessment of natural background levels (NBLs) is often useful to distinguishthese sources. The approaches for the NBLs assessment can be classified as geochemical (e.g., thewell-known pre-selection method) or statistical, the latter involving the application of statisticalprocedures to separate natural and anthropogenic populations. National Guidelines for the NBLsassessment in groundwater have been published in Italy (ISPRA 155/2017), based mainly on thepre-selection method. The Guidelines propose different assessment paths according to the samplesize in spatial/temporal dimension and the type of the distribution of the pre-selected dataset, takingalso into account the redox conditions of the groundwater body. The obtained NBLs are labelled witha different confidence level in function of number of total observations/monitoring sites, extensionof groundwater body and aquifer type (confined or unconfined). To support the implementationof the Guidelines, the on-line tool evaluation of natural background levels (eNaBLe), written inPHP and using MySQL as DBMS (DataBase Management System), has been developed. The maingoal of this paper is to describe the functioning of eNaBLe and test the tool on a case study incentral Italy. We calculated the NBLs of As, F, Fe and Mn in the southern portion of the MountsVulsini groundwater body, within the volcanic province of Latium (Central Italy), also separating thereducing and oxidizing facies. Specific results aside, this study allowed to verify the functioning andpossible improvements of the online tool and to identify some criticalities in the procedure NBLsassessment at the groundwater body scale
SourceWater (Basel) 13 (74)
Keywordsnatural background;groundwater bodyconceptual modelpreselectionnitratesconfidence level
JournalWater (Basel)
EditorMolecular Diversity Preservation International, Basel,
Year2021
TypeArticolo in rivista
DOI10.3390/w13010074
AuthorsParrone D.; Frollini E.;Preziosi E.; Ghergo S.
Text441434 2021 10.3390/w13010074 natural background; groundwater body conceptual model preselection nitrates confidence level eNaBLe, an On Line Tool to Evaluate Natural Background Levels in Groundwater Bodies Parrone D.; Frollini E.;Preziosi E.; Ghergo S. IRSA CNR, Water Research Institute National Research Council, Via Salaria km 29.300, PB 10,00015 Monterotondo Rome , Italy; Inorganic compounds in groundwater may derive from both natural processes and anthro pogenic activities. The assessment of natural background levels NBLs is often useful to distinguishthese sources. The approaches for the NBLs assessment can be classified as geochemical e.g., thewell known pre selection method or statistical, the latter involving the application of statisticalprocedures to separate natural and anthropogenic populations. National Guidelines for the NBLsassessment in groundwater have been published in Italy ISPRA 155/2017 , based mainly on thepre selection method. The Guidelines propose different assessment paths according to the samplesize in spatial/temporal dimension and the type of the distribution of the pre selected dataset, takingalso into account the redox conditions of the groundwater body. The obtained NBLs are labelled witha different confidence level in function of number of total observations/monitoring sites, extensionof groundwater body and aquifer type confined or unconfined . To support the implementationof the Guidelines, the on line tool evaluation of natural background levels eNaBLe , written inPHP and using MySQL as DBMS DataBase Management System , has been developed. The maingoal of this paper is to describe the functioning of eNaBLe and test the tool on a case study incentral Italy. We calculated the NBLs of As, F, Fe and Mn in the southern portion of the MountsVulsini groundwater body, within the volcanic province of Latium Central Italy , also separating thereducing and oxidizing facies. Specific results aside, this study allowed to verify the functioning andpossible improvements of the online tool and to identify some criticalities in the procedure NBLsassessment at the groundwater body scale 13 Published version https //doi.org/10.3390/w13010074 Articolo in rivista Molecular Diversity Preservation International 2073 4441 Water Basel Water Basel Water Basel Water. Basel danieleparrone PARRONE DANIELE eleonorafrollini FROLLINI ELEONORA stefano.ghergo GHERGO STEFANO elisabetta.preziosi PREZIOSI ELISABETTA