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contaminant transport in groundwater

Groundwater flow velocities in a fractured carbonate aquifer-type: Implications for contaminant transport

Groundwater flow velocities in a fractured carbonate aquifer-type: Implications for contaminant transport

... investigation, groundwater flow velocities within fractures in a carbonate aquifer under natural conditions have been found using optical and acoustic televiewer / fluid logging and slug tests, with focus on ...

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Modeling subsurface transport in extensive glaciofluvial and littoral sediments to remediate a municipal drinking water aquifer

Modeling subsurface transport in extensive glaciofluvial and littoral sediments to remediate a municipal drinking water aquifer

... entire transport process of pesticides, from application at the soil surface, through subsurface transport, to contamination of drinking water in esker ...important groundwater resources are situated ...

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Numerical Model Parameters for Simulation of Contaminant Transport

Numerical Model Parameters for Simulation of Contaminant Transport

... of groundwater flow and/or contaminant ...in groundwater and contaminant movement, together with specialist and detailed investigations to define the flow regime and contaminant ...

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A Mathematical Study of Contaminant Transport with First order Decay and Time dependent Source Concentration in an Aquifer

A Mathematical Study of Contaminant Transport with First order Decay and Time dependent Source Concentration in an Aquifer

... Some analytical solutions of the advection-dispersion equation have been proposed in literature with the aim of studying the mechanism of contaminant transport, the movements of pollutants in ...

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Analysis and approximation for inverse problems in contaminant transport and biodegradation models

Analysis and approximation for inverse problems in contaminant transport and biodegradation models

... 1. Introduction. Remediation of contaminated groundwater is a major scientic and technological challenge. One promising approach is bioremediation, in which either nat- urally occurring or externally introduced ...

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Numerical Model Parameters for Simulation of Contaminant Transport

Numerical Model Parameters for Simulation of Contaminant Transport

... initial contaminant concentration ...its contaminant concentration) and outflows (e.g. groundwater abstractions) can be specified for each model time ...

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Mathematical modelling of contaminant transport in riverbank filtration systems

Mathematical modelling of contaminant transport in riverbank filtration systems

... 3D contaminant transport in aquifer (Pantelis, 1988; Doussan et ...solute transport, but without considering the role of groundwater pumping (Doussan et ...solute transport were based ...

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Transport of contaminants in groundwater

Transport of contaminants in groundwater

... solute transport in porous medium is ...the transport of organic ...phosphorous transport in soils and groundwater with two consecutive ...simulate contaminant transport through ...

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Modelling of Ground Water and Contaminant Transport through Soil Column   A State of the Art Review

Modelling of Ground Water and Contaminant Transport through Soil Column A State of the Art Review

... contamination transport due to advection, dispersion and ...flowing groundwater at the seepage velocity in porous ...contaminated groundwater mixes with non- contaminated groundwater resulting ...

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Identification of contaminant source characteristics and monitoring network design in groundwater aquifers: an overview

Identification of contaminant source characteristics and monitoring network design in groundwater aquifers: an overview

... mass transport models and flow and contaminant transport ones, hydro- dynamics can be used to overcome ill-posed problems in source identification ...of contaminant source identification to a ...

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Use of Environmental Sequence Stratigraphy (ESS) as an Environmental Forensic Tool to Identify Chlorinated Solvent Sources at a Complex Site in Silicon Valley, California

Use of Environmental Sequence Stratigraphy (ESS) as an Environmental Forensic Tool to Identify Chlorinated Solvent Sources at a Complex Site in Silicon Valley, California

... and contaminant transport, and have distinct chemical constituents and concentrations ( ...where groundwater flow is governed by subsurface channel deposits, a hydrostrati- graphic mapping approach ...

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Aquifer vulnerability assessment of Eloor Municipality using Solute Transport Model

Aquifer vulnerability assessment of Eloor Municipality using Solute Transport Model

... the contaminant transport mechanisms and chemical ...conditions. Groundwater models, however, even as approximations, are a useful investigation tool that groundwater hydrologists may use for ...

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Investigating Leachate Transport at Landfill Site Using HYDRUS-1D

Investigating Leachate Transport at Landfill Site Using HYDRUS-1D

... Abstract—Landfill leachate is a very common environmental problem that might contaminate underlying soil and groundwater. This paper investigates the potential leachate of heavy metals from the landfill site of ...

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Optimal identification of unknown groundwater contaminant sources in conjunction with designed monitoring networks

Optimal identification of unknown groundwater contaminant sources in conjunction with designed monitoring networks

... A multi-objective monitoring network design procedure combined with source identification procedure was developed by Bashi-Azghadi, Kerachian, Bazargan-Lari, and Solouki (2010). NSGA-II linked to the simulation models of ...

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Two-Dimensional Modeling of Flow and Contaminant Transport in Meandering Channels

Two-Dimensional Modeling of Flow and Contaminant Transport in Meandering Channels

... the contaminant movement as the simulated results were in good fit with the measured data, and showed that the skewed distribution concentration curves were affected by the secondary ...

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Groundwater fluoride in Sri Lanka: opportunities to mitigate the risk at maximum contaminant level

Groundwater fluoride in Sri Lanka: opportunities to mitigate the risk at maximum contaminant level

... to groundwater F has also been reported in a few studies [12, ...the groundwater F levels in Sri Lanka that exceed the US recommended MCL (>4 mg/L), and study the proximity to the low F resources through ...

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Factors Influencing the Shallow Groundwater Quality in Four Districts with Different Characteristics in Urban Area (Douala, Cameroon)

Factors Influencing the Shallow Groundwater Quality in Four Districts with Different Characteristics in Urban Area (Douala, Cameroon)

... Tunisia, groundwater makes up 95% of the country’s total water resources, 83% in Belgium, and 75% in the Neth- erlands, Germany and ...Switzerland) groundwater makes up ~70% of the total water consumption ...

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Quantifying heterogeneous transport of a tracer and a degradable contaminant in the field, with snowmelt and irrigation

Quantifying heterogeneous transport of a tracer and a degradable contaminant in the field, with snowmelt and irrigation

... both the flow rate and the flow conditions affect the dis- persivity values that are found. As the flow rate increases, they found that dispersivities tend to increase, for relatively small transport distances as ...

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Metal Transport Parameters in Residual Soil with an Undisturbed and Remolded Structure Percolated by an Acid Solution

Metal Transport Parameters in Residual Soil with an Undisturbed and Remolded Structure Percolated by an Acid Solution

... taminant transport parameters of for Cd, Ni, Cu and Zn metals dissolved in a pH multispecies acid solution in a residual soil with undisturbed and remolded ...

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Stochastic groundwater transport flow model in Pontian, Johor

Stochastic groundwater transport flow model in Pontian, Johor

... groundwater is an increasing trend due to high water demand, viability of supply and costs-saving for industrial operators. In Malaysia, rural areas use groundwater for domestic purposes because there is ...

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