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Identification of the Time-Dependent Point Source in a System of two Coupled Two Dimension Diffusion-Advection-Reaction Equations: Application to Groundwater Pollution Source Identification

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dc.creator Soko, Alpha Omega
dc.creator Abonyo, Okelo Jeconiah
dc.creator Masanja, Verdiana Grace
dc.date 2020-08-24T11:19:10Z
dc.date 2020-08-24T11:19:10Z
dc.date 2020
dc.date.accessioned 2022-10-25T09:15:47Z
dc.date.available 2022-10-25T09:15:47Z
dc.identifier https://dx.doi.org/10.37622/GJPAM/16.3.2020.371-394
dc.identifier https://dspace.nm-aist.ac.tz/handle/20.500.12479/884
dc.identifier.uri http://hdl.handle.net/123456789/94604
dc.description This research article published by Global Journal of Pure and Applied Mathematics, Volume 16, Number 3, 2020
dc.description This paper addresses the inverse source problem in a system of two-dimension advection-dispersion reaction equation with an emphasis on groundwater pollution source identification. We develop an inverse source problem method for identifying the unknown groundwater point sources utilizing only the boundary and interior measurements. We develop an identifiability criterion of the point sources from recording the oxygen deficit concentration relative to the biochemical oxygen demand concentration. We have also established an identification method that uses the records of oxygen deficit concentration and biochemical oxygen demand concentration to identify the source position as a solution to nonlinear dispersion current equations. We recover the source intensity function using the multi-dimension inverse Laplace transform of the de-convolution function without any need of an iterative process. The inverse Laplace transforms are approximated by shifted Legendre Polynomials. The results show that the proposed inverse problem method is accurate.
dc.format application/pdf
dc.language en
dc.publisher Global Journal of Pure and Applied Mathematics
dc.subject Groundwater pollution source
dc.subject Inverse source Problem
dc.subject Advection Dispersion Reaction Equation
dc.subject Laplace Transform
dc.subject Shifted Legendre Polynomials
dc.title Identification of the Time-Dependent Point Source in a System of two Coupled Two Dimension Diffusion-Advection-Reaction Equations: Application to Groundwater Pollution Source Identification
dc.type Article


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