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| Título: | Assessment of nitrate contamination risk: The Italian experience |
Autor: | Capri, E.; Delgado Huertas, Antonio CSIC ORCID ; Vassallo, M. | Palabras clave: | Groundwater contamination Nitrate Groundwater vulnerability Risk assessment |
Fecha de publicación: | ago-2009 | Editor: | Elsevier | Citación: | Journal of Geochemical Exploration 102(2): 71-86 (2009) | Resumen: | The purpose of this study is to show the results of the Italian research project of national interest (PRIN) launched in 2006 and finished in 2008, concerning the “assessment of groundwater contamination risk by nitrates assessment”. The project verified the IPNOA method for nitrate groundwater contamination risk assessment in four test-sites of Italy. The IPNOA is a parametric index which assesses the potential hazard of nitrate contamination originating from agriculture on a regional scale. The method integrates two categories of parameters: the hazard factors (HF), which represent all farming activities that cause, or might cause, an impact on soil quality in terms of nitrate (use of fertilisers, application of livestock and poultry manure, food industry wastewater and urban sludge), and the control factors (CF) which adapt the hazard factors to the characteristics of the site (geographical location, climatic conditions and agronomic practices). Finally, the Potential Risk Map is obtained by coupling the potential hazard of nitrate pollution (IPNOA) and the aquifer Contamination Vulnerability Map. The project was carried out by five Research Units (RU) from the Politecnico di Torino, Universities of Piacenza, Florence, Naples and Palermo. The geochemistry of groundwaters from the four test-sites was studied to determine the distribution of nitrate, and to evaluate groundwater chemical facies. All the study areas are affected by groundwater nitrate contamination and often by hydrogeochemical peculiarities. In some cases isotopic study, δ18O–NO3δ15N–NO3, allowed to differentiate nitrates of chemical fertilisers from those of biological origin, as well as denitrification processes. | Descripción: | 16 páginas, 19 figuras, 10 tablas.-- El PDF es el manuscrito aceptado para su publicación.-- et al. | Versión del editor: | http://dx.doi.org/10.1016/j.gexplo.2009.02.006 | URI: | http://hdl.handle.net/10261/40734 | DOI: | 10.1016/j.gexplo.2009.02.006 | ISSN: | 0375-6742 |
| Aparece en las colecciones: | (EEZA) Artículos |
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| ARTICULOS69774[1].pdf | 2,3 MB | Adobe PDF |  Visualizar/Abrir |
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