Unveiling the Dynamics and Sustainability of the Nubian Aquifer System in El-Marashda, Egypt Through Geophysical, and Hydrogeochemical Investigations DOI Creative Commons
Alhussein Adham Basheer, Alaa Ahmed, Adel Kotb

et al.

Earth Systems and Environment, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 12, 2024

Abstract This research investigates the geophysical, hydrogeochemical, and geological characteristics of Nubian Aquifer System in El-Marashda area, located beneath Eastern Sahara Desert northeastern Africa. The primary objective is identifying aquifer geometry, assessing groundwater quality, evaluating environmental pollution levels. A Magnetotelluric survey was employed to examine subsurface composition electrical resistivity system. study revealed a freshwater-saturated Sandstone layer at depths between 986 1009 m with values 101 182 Ohm.m, indicating substantial potentially sustainable resource. Overlying limestone Marly Limestone layers influence aquifer’s permeability storage capacity. chemical analysis water from three wells showed suitability for drinking irrigation, no sodium magnesium levels hazards. Heavy Metal Pollution Index (HPI) Evaluation (HEI) indicated low medium contamination, posing potential health risks. Human risk assessments using USEPA methodology found acceptable non-carcinogenic risks, Hazard Quotients (HQs) heavy metals below 1 negligible (HI). comprehensive investigation underscores utilization El-Marashda. It highlights contamination minimal These findings provide foundation informed resource management, protection, resilient infrastructure development region. methodologies results align global standards, demonstrating their applicability globally diverse contexts. contributes valuable baseline data future studies monitoring efforts, whether local or sites, emphasizing importance continued ensure management.

Language: Английский

Engineering Biomedical Problems to Detect Carcinomas: A Tomographic Impedance Approach DOI Creative Commons
Filippo Laganá, Danilo Pratticò, Domenico De Carlo

et al.

Eng—Advances in Engineering, Journal Year: 2024, Volume and Issue: 5(3), P. 1594 - 1614

Published: July 25, 2024

Computed tomography (CT), magnetic resonance imaging (MRI), and radiography expose patients to electromagnetic fields (EMFs) ionizing radiation. As an alternative, Electrical Impedance Tomography (EIT) offers a less EMF-influenced method for by measuring superficial skin currents provide map of the body’s conductivity. EIT allows functional monitoring anatomical regions using low minimal exposure times. This paper investigates application morphological assessment tissues. Using Finite Element Method (FEM) (Comsol 5.2), both two-dimensional three-dimensional models simulations physiological pathological tissues were developed replicate operations. The primary objective is detect carcinoma analysing electrical impedance response externally applied excitations. An eight-electrode tomograph was utilised this purpose, specifically targeting epithelial tissue. study allowed characterisation tomographs any size and, therefore, possibility verify their geometric profile ideal value excitation current be delivered per second type tissue analysed. Simulations conducted observe variations within homogeneously modelled characterized regular geometry. outcomes demonstrated potential as viable technique detection, emphasizing its utility in medical diagnostics with reduced EMF exposure.

Language: Английский

Citations

8
Unveiling the Dynamics and Sustainability of the Nubian Aquifer System in El-Marashda, Egypt Through Geophysical, and Hydrogeochemical Investigations DOI Creative Commons
Alhussein Adham Basheer, Alaa Ahmed, Adel Kotb

et al.

Earth Systems and Environment, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 12, 2024

Abstract This research investigates the geophysical, hydrogeochemical, and geological characteristics of Nubian Aquifer System in El-Marashda area, located beneath Eastern Sahara Desert northeastern Africa. The primary objective is identifying aquifer geometry, assessing groundwater quality, evaluating environmental pollution levels. A Magnetotelluric survey was employed to examine subsurface composition electrical resistivity system. study revealed a freshwater-saturated Sandstone layer at depths between 986 1009 m with values 101 182 Ohm.m, indicating substantial potentially sustainable resource. Overlying limestone Marly Limestone layers influence aquifer’s permeability storage capacity. chemical analysis water from three wells showed suitability for drinking irrigation, no sodium magnesium levels hazards. Heavy Metal Pollution Index (HPI) Evaluation (HEI) indicated low medium contamination, posing potential health risks. Human risk assessments using USEPA methodology found acceptable non-carcinogenic risks, Hazard Quotients (HQs) heavy metals below 1 negligible (HI). comprehensive investigation underscores utilization El-Marashda. It highlights contamination minimal These findings provide foundation informed resource management, protection, resilient infrastructure development region. methodologies results align global standards, demonstrating their applicability globally diverse contexts. contributes valuable baseline data future studies monitoring efforts, whether local or sites, emphasizing importance continued ensure management.

Language: Английский

Citations

1