Academic Journal
Assessing groundwater pesticide contamination risk in the Argentine Pampas: integrating land-use and soil-based approaches.
| Τίτλος: | Assessing groundwater pesticide contamination risk in the Argentine Pampas: integrating land-use and soil-based approaches. |
|---|---|
| Συγγραφείς: | Grondona S; Instituto de Geología de Costas y del Cuaternario (IGCyC) 'Dr. Enrique Jorge Schnack', (Universidad Nacional de Mar del Plata-CIC Buenos Aires), Deán Funes 3350, Argentina, Mar del Plata, República Argentina. sebastiangrondona@gmail.com.; Laboratorio de Ecotoxicología y Contaminación Ambiental, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, República Argentina. sebastiangrondona@gmail.com.; Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata, República Argentina. sebastiangrondona@gmail.com., Massone H; Instituto de Geología de Costas y del Cuaternario (IGCyC) 'Dr. Enrique Jorge Schnack', (Universidad Nacional de Mar del Plata-CIC Buenos Aires), Deán Funes 3350, Argentina, Mar del Plata, República Argentina., Miglioranza K; Laboratorio de Ecotoxicología y Contaminación Ambiental, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Mar del Plata, República Argentina.; Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mar del Plata, República Argentina. |
| Πηγή: | Environmental monitoring and assessment [Environ Monit Assess] 2026 Jul 29; Vol. 198 (8). Date of Electronic Publication: 2026 Jul 29. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Springer Country of Publication: Netherlands NLM ID: 8508350 Publication Model: Electronic Cited Medium: Internet ISSN: 1573-2959 (Electronic) Linking ISSN: 01676369 NLM ISO Abbreviation: Environ Monit Assess Subsets: MEDLINE |
| Imprint Name(s): | Publication: 1998- : Dordrecht : Springer Original Publication: Dordrecht, Holland ; Boston : D. Reidel Pub. Co., c1981- |
| Ιατρικοί όροι (MeSH): | Pesticides*/analysis , Groundwater*/chemistry , Environmental Monitoring*/methods , Water Pollutants, Chemical*/analysis, Soil/chemistry ; Water Pollution, Chemical/statistics & numerical data ; Argentina ; Risk Assessment ; Agriculture |
| Περίληψη: | The expansion and intensification of agriculture in the Argentine Pampas have increased pesticide use, raising concerns about groundwater contamination in aquifers used for drinking water. In this context, contamination risk assessment is a key tool for environmental management, although results may vary depending on the methodology applied. This study compares two approaches for assessing pesticide-related groundwater contamination risk in the Quequén Grande River watershed (Argentina). Risk was defined as the interaction between aquifer contamination hazard and population vulnerability. Hazard was estimated by combining aquifer vulnerability (DRASTIC-P) with two representations of contaminant load: (i) a land-use-based approach derived from LANDSAT imagery, and (ii) an empirical model based on pesticide leaching experiments relating mobility to soil organic matter. Social vulnerability was assessed using a census-based index. All analyses were conducted within a GIS framework. Results show that the two approaches produce markedly different spatial risk patterns. These differences were evaluated through methodological comparison and preliminary field evidence, but not through a comprehensive independent basin-wide validation. The land-use-based method identified a larger proportion of high-risk areas (20.1%), whereas the laboratory-based approach yielded more restrictive estimates (9.4%) and greater spatial differentiation. These differences reflect the conceptual assumptions underlying each method. The results highlight that method selection strongly influences risk assessment outcomes and should be aligned with management objectives, data availability, and acceptable levels of uncertainty. (© 2026. The Author(s), under exclusive licence to Springer Nature Switzerland AG.) |
| Competing Interests: | Declarations. Competing interests: The authors declare no competing interests. |
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| Contributed Indexing: | Keywords: Argentine Pampas; Environmental monitoring; Groundwater contamination; Land use; Pesticides; Risk assessment; Soil properties |
| Substance Nomenclature: | 0 (Pesticides) 0 (Water Pollutants, Chemical) 0 (Soil) |
| Entry Date(s): | Date Created: 20260729 Date Completed: 20260729 Latest Revision: 20260729 |
| Update Code: | 20260730 |
| DOI: | 10.1007/s10661-026-15708-0 |
| PMID: | 42525282 |
| Βάση Δεδομένων: | MEDLINE |
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