Implementation of mixing-cell modeling for identifying and quantifying sources of recharge and pollution into a riverbed aquifer along an ephemeral stream

E. M. Adar, J. Laron

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Floods along arid ephemeral streams are considered as the major source of groundwater recharge into the shallow alluvial aquifer, which is served as an intermediate sub-surface storage for deep percolation and recharge into deep regional aquifers. Contaminants accumulated in the upper basin reaches, might be transferred by floods and spread along the riverbed shallow aquifer. The longitudinal flux along the alluvial aquifer and mixing with local water control the spatial distribution of the groundwater pollution. Anthropogenic pollutants and industrial contaminants had been accumulated in the upper Beer Shiva wash in the northern Negev desert, Israel. A multi-variable cluster analyses performed on dissolved chemicals and environmental isotopes in the shallow groundwater were used to discretize the alluvial aquifer into hydrological compartments. A multi-cells mixing cell model was applied to identify and quantify sources of recharge, rates of streambed infiltration, and longitudinal fluxes along the shallow alluvial aquifer. Results elaborated on the role of floods in transmitting the pollution along the graveled-bed aquifer.

Original languageEnglish
Title of host publicationComputational methods in water resources - Volume 2 - Computational methods,surface water systems and hydrology
EditorsL.R. Bentley, J.F. Sykes, C.A. Brebbia, W.G. Gray, G.F. Pinder, L.R. Bentley, J.F. Sykes, C.A. Brebbia, W.G. Gray, G.F. Pinder
PublisherA.A. Balkema
Pages1029-1034
Number of pages6
ISBN (Print)9058091252
StatePublished - 1 Jan 2000
EventComputational Methods in Water Resources - Calgary, Canada
Duration: 25 Jun 200029 Jun 2000

Conference

ConferenceComputational Methods in Water Resources
Country/TerritoryCanada
CityCalgary
Period25/06/0029/06/00

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