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Browsing by Subject "Aquifers"

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A conceptual numerical model to simulate hydraulic head in aquifers that are hydraulically connected to surface water bodies

Pulido Velázquez, David; Sahuquillo Herráiz, Andrés; Andreu Álvarez, Joaquín (Wiley: 12 months, 2011-07)

In this paper, we present a conceptual-numerical model that can be deduced from a calibrated finite difference groundwater-flow model, which provides a parsimonious approach to simulate and analyze hydraulic heads and ...
An Approach to Handling Non-Gaussianity of Parameters and State Variables in Ensemble Kalman Filtering

Zhou ., Haiyan; Gómez-Hernández, J. Jaime; Hendricks Franssen, Hendrikus Johannes W; Li, Liangping (ELSEVIER SCI LTD, 2011)

[EN] The ensemble Kalman filter (EnKF) is a commonly used real-time data assimilation algorithm in various disciplines. Here, the EnKF is applied, in a hydrogeological context, to condition log-conductivity realizations ...
Efficient conceptual model for simulating the effect of aquifer heterogeneity on natural groundwater discharge to rivers

Pulido Velázquez, David; Llopis Albert, Carlos; Peña Haro, Salvador; Pulido Velázquez, Manuel Augusto (Elsevier, 2011)

[EN] When linearity can be assumed (linear response of heads to stresses), stream-aquifer flow exchange can be simulated as the drainage of a number of independent linear reservoirs. This conceptual model, which can be ...
Influence of Hydraulic Conductivity and Wellbore Design in the Fate and Transport of Nitrate in Multi-aquifer Systems

Mejía, Amanda; Cassiraga, Eduardo Fabián; Sahuquillo Herráiz, Andrés (Springer Verlag (Germany), 2012)

Nitrate concentrations in multi-aquifer systems are heavily affected by the presence of wellbores (active or abandoned) that are screened in several aquifers. The spatial variability of hydraulic conductivity in the confining ...
Integrated Assessment of the European WFD Implementation in Extremely Overexploited Aquifers Through Participatory Modelling

Molina González, José Luis; García-Arostegui, J.L; Bromley, John; Benavente, Jose (Springer-Verlag, 2011)

[EN] Participatory methods provide an increasingly accepted path to integrated water assessment. This research describes an interdisciplinary exercise of scenario design and modelling, which provides a methodology to couple ...
Jointly mapping hydraulic conductivity and porosity by assimilating concentration data via ensemble Kalman filter

Li, Liangping; Zhou, Haiyan; Gómez-Hernández, J. Jaime; Hendricks-Franssen, Hendrikus Johannes (Elsevier, 2012-03-27)

[EN] Real-time data from on-line sensors offer the possibility to update environmental simulation models in real-time. Information from on-line sensors concerning contaminant concentrations in groundwater allow for the ...
Pattern Recognition in a Bimodal Aquifer Using the Normal-Score Ensemble Kalman Filter

Zhou, Haiyan; Li, Liangping; Hendricks Franssen, Harrie-Jan; Gómez-Hernández, J. Jaime (Springer Verlag (Germany), 2012-02)

The ensemble Kalman filter (EnKF) is now widely used in diverse disciplines to estimate model parameters and update model states by integrating observed data. The EnKF is known to perform optimally only for multi-Gaussian ...
The effects of agriculture on groundwater

Selfa Martínez, Enric (Universitat Politècnica de València, 2020-03-23)

[ES] Debido al problema del uso incontrolado del agua subterránea en la agricultura, así como la introducción de agroquímicos en los cultivos, es necesario estudiar las debilidades de los acuíferos, los principales peligros ...

Now showing items 1-8 of 8

Browsing by Subject "Aquifers"

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Browsing by Subject "Aquifers"