Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina
Stable isotopes and electrical conductivity in groundwater were used as natural tracers to adjust the hydrogeological conceptual model in one of the largest catchments within the inter-mountainous Pampa plain, Argentina. Geostatistical tools were used to define the model that best fitted the spatial...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_10256016_v51_n3_p411_QuirozLondono |
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todo:paper_10256016_v51_n3_p411_QuirozLondono2023-10-03T15:56:56Z Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina Quiroz Londoño, O.M. Martínez, D.E. Massone, H.E. Londoño Ciro, L.A. Dapeña, C. electrical conductivity geostatistics groundwater hydrogen-2 isotope hydrology oxygen-18 Pampa plain aquifer deuterium electrical conductivity geostatistics groundwater isotopic composition oxygen isotope spatial distribution stable isotope tracer Argentina Buenos Aires [Argentina] Pampas Quequen Grande Basin deuterium ground water oxygen Argentina chemistry electric conductivity environmental monitoring theoretical model Argentina Deuterium Electric Conductivity Environmental Monitoring Groundwater Models, Theoretical Oxygen Isotopes Stable isotopes and electrical conductivity in groundwater were used as natural tracers to adjust the hydrogeological conceptual model in one of the largest catchments within the inter-mountainous Pampa plain, Argentina. Geostatistical tools were used to define the model that best fitted the spatial distribution of each tracer, and information was obtained in areas where there was a lack of data. The conventional isotopic analysis allowed the identification of three groundwater groups with different isotopic fingerprints. One group containing 56 % of the total groundwater samples suggested a well-mixed system and soil infiltration precipitation as the main recharge source to the aquifer. The other two groups included samples with depleted (25.5 %) and enriched (18.5 %) isotopic compositions, respectively. The combination of δ18O, δ2H and electrical conductivities maps suggested ascending regional flows and water transfer from the Quequén Grande River catchment to the Moro creek. The spatial interpretation of these tracers modified the conceptual hydrogeological model of the Quequén Grande River. © 2015 Taylor & Francis. Fil:Dapeña, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10256016_v51_n3_p411_QuirozLondono |
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Universidad de Buenos Aires |
| institution_str |
I-28 |
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R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
electrical conductivity geostatistics groundwater hydrogen-2 isotope hydrology oxygen-18 Pampa plain aquifer deuterium electrical conductivity geostatistics groundwater isotopic composition oxygen isotope spatial distribution stable isotope tracer Argentina Buenos Aires [Argentina] Pampas Quequen Grande Basin deuterium ground water oxygen Argentina chemistry electric conductivity environmental monitoring theoretical model Argentina Deuterium Electric Conductivity Environmental Monitoring Groundwater Models, Theoretical Oxygen Isotopes |
| spellingShingle |
electrical conductivity geostatistics groundwater hydrogen-2 isotope hydrology oxygen-18 Pampa plain aquifer deuterium electrical conductivity geostatistics groundwater isotopic composition oxygen isotope spatial distribution stable isotope tracer Argentina Buenos Aires [Argentina] Pampas Quequen Grande Basin deuterium ground water oxygen Argentina chemistry electric conductivity environmental monitoring theoretical model Argentina Deuterium Electric Conductivity Environmental Monitoring Groundwater Models, Theoretical Oxygen Isotopes Quiroz Londoño, O.M. Martínez, D.E. Massone, H.E. Londoño Ciro, L.A. Dapeña, C. Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| topic_facet |
electrical conductivity geostatistics groundwater hydrogen-2 isotope hydrology oxygen-18 Pampa plain aquifer deuterium electrical conductivity geostatistics groundwater isotopic composition oxygen isotope spatial distribution stable isotope tracer Argentina Buenos Aires [Argentina] Pampas Quequen Grande Basin deuterium ground water oxygen Argentina chemistry electric conductivity environmental monitoring theoretical model Argentina Deuterium Electric Conductivity Environmental Monitoring Groundwater Models, Theoretical Oxygen Isotopes |
| description |
Stable isotopes and electrical conductivity in groundwater were used as natural tracers to adjust the hydrogeological conceptual model in one of the largest catchments within the inter-mountainous Pampa plain, Argentina. Geostatistical tools were used to define the model that best fitted the spatial distribution of each tracer, and information was obtained in areas where there was a lack of data. The conventional isotopic analysis allowed the identification of three groundwater groups with different isotopic fingerprints. One group containing 56 % of the total groundwater samples suggested a well-mixed system and soil infiltration precipitation as the main recharge source to the aquifer. The other two groups included samples with depleted (25.5 %) and enriched (18.5 %) isotopic compositions, respectively. The combination of δ18O, δ2H and electrical conductivities maps suggested ascending regional flows and water transfer from the Quequén Grande River catchment to the Moro creek. The spatial interpretation of these tracers modified the conceptual hydrogeological model of the Quequén Grande River. © 2015 Taylor & Francis. |
| format |
JOUR |
| author |
Quiroz Londoño, O.M. Martínez, D.E. Massone, H.E. Londoño Ciro, L.A. Dapeña, C. |
| author_facet |
Quiroz Londoño, O.M. Martínez, D.E. Massone, H.E. Londoño Ciro, L.A. Dapeña, C. |
| author_sort |
Quiroz Londoño, O.M. |
| title |
Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| title_short |
Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| title_full |
Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| title_fullStr |
Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| title_full_unstemmed |
Spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the Quequén Grande River catchment, Argentina |
| title_sort |
spatial distribution of electrical conductivity and stable isotopes in groundwater in large catchments: a geostatistical approach in the quequén grande river catchment, argentina |
| url |
http://hdl.handle.net/20.500.12110/paper_10256016_v51_n3_p411_QuirozLondono |
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