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61,005 resultsShowing papers similar to GIS Analysis of Organo-Contaminants and Iron Linked to Groundwater and Sediment at Boreholes in Aluu, Delta Region, Nigeria
ClearGeochemical Background and Correlation Study of Ground Water Quality in Ebocha-Obrikom of Rivers State, Nigeria
Researchers assessed groundwater quality in the Ebocha-Obrikom area of Nigeria's Niger Delta, a region heavily affected by oil industry pollution. They measured physicochemical properties and heavy metal concentrations across multiple well water samples over a year-long period. The findings revealed correlations between certain heavy metals and water quality parameters, providing baseline data for monitoring contamination in the region.
Analysis of Groundwater Quality in the Coastal Aquifer of the Effutu Municipality, Ghana
Researchers analyzed groundwater quality in the coastal aquifer of the Effutu Municipality, Ghana, comparing water quality parameters against WHO permissible limits and using principal component analysis to identify key drivers of water quality variation. The study provides data to assess groundwater suitability for domestic and drinking purposes in an area facing freshwater management challenges.
Physicochemical Characteristics and Levels of Metal Ions in Groundwater around Abattoir and Cassava Processing Area from Odo-Oori Market in Iwo, Osun State, Nigeria
Researchers assessed the physicochemical properties and metal ion concentrations in groundwater near an abattoir and cassava processing facility in Iwo, Osun State, Nigeria, finding contamination levels that raise concerns about wastewater discharge practices and local water quality.
Many Oil Wells, One Evil: Potentially toxic metals concentration, seasonal variation and Human Health Risk Assessment in Drinking Water Quality in Ebocha-Obrikom Oil and Gas Area of Rivers State, Nigeria
Researchers assessed heavy metal concentrations and seasonal variation in drinking water from an oil and gas extraction area in Nigeria, finding contamination levels that pose significant human health risks including potential neurological and carcinogenic effects.
Suitability of Groundwater Quality for Drinking Using Water Quality Index in Kano Metropolis, Nigeria
Researchers assessed groundwater quality across 160 sites in Kano, Nigeria, using a comprehensive water quality index based on chemical, metal, and microbial parameters. They found that most groundwater sources in the region are unsuitable for drinking according to WHO and Nigerian standards, with well water generally worse than borehole water. The study recommends improved water management strategies to increase access to safe drinking water in the area.
Assessment of Groundwater Contamination in the Southeastern Coast of Brazil: A Potential Threat to Human Health in Marica Municipality
Researchers assessed groundwater contamination in Marica Municipality along Brazil's southeastern coast, finding that rapid urbanization and inadequate sanitation have led to significant sewage pollution. The study suggests that elevated levels of dissolved organic carbon, nutrients, and bacteria in the aquifers pose a potential threat to public health, since groundwater serves as the primary freshwater source for local residents.
Assessment of potentially toxic elements in groundwater through interpolation, pollution indices, and chemometric techniques in Dehradun in Uttarakhand State
Researchers assessed potentially toxic heavy metals (including iron, cadmium, lead, and chromium) in groundwater across an industrial region of northern India, finding contamination levels linked to agricultural runoff, industrial discharge, and land use patterns that pose ongoing health risks to local communities.
Metals contamination of Aquifer in Warri and Port- Harcourt (Niger – Delta Region)
This study measured heavy metal concentrations in hand-dug well water from 12 locations in Warri and Port Harcourt, Nigeria's Niger Delta region, finding contamination levels raising public health concerns. Standard physicochemical and atomic absorption spectrometry analyses identified several metals exceeding safe drinking water thresholds.
Hydrogeochemistry and Health Risks Assessment of Some Groundwaters Suitability for Drinking Within the Urban Region of Unguja Island, Zanzibar
Researchers assessed groundwater quality and health risks in Zanzibar, finding contamination from nitrates, heavy metals, and microbial sources in wells used for drinking. While focused on chemical and microbial contaminants, groundwater in coastal regions is increasingly being assessed for microplastic contamination as well.
Statistical modeling of groundwater geochemistry in northeastern Brazil
Researchers characterized the hydrochemical composition and spatial variability of groundwater in the Beberibe aquifer in northeastern Brazil using geostatistical analysis, Piper diagrams, and principal component analysis of data from 34 georeferenced wells, finding that proximity to the coast and depth influenced ionic composition and identifying key geochemical processes controlling water quality.
Sources and Consequences of Groundwater Contamination
Researchers reviewed sources and health consequences of groundwater contamination across India, China, Pakistan, Turkey, Ethiopia, and Nigeria, summarizing both geogenic pollutants (naturally occurring) and anthropogenic contaminants while identifying key gaps in remediation technology and monitoring capacity.
Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria
This Nigerian study assessed the impact of human activities on water quality, sediment, and benthic invertebrate communities in a coastal lagoon near Lagos. The research documents widespread contamination from urban and industrial stressors in a major coastal ecosystem that serves as a fishing and economic resource for local communities.
Occurrence of Microplastics in Borehole Drinking Water and Sediments in Lagos, Nigeria
Researchers detected microplastics in borehole drinking water and sediments in Lagos, Nigeria, finding fibres and fragments in the majority of samples, indicating that groundwater sources used for drinking are contaminated with plastic particles and posing potential health risks to communities relying on borehole water.
Environmental risk assessment of the intake of contaminants in aquifers in the vicinity of a reclaimed waste dumpsite in Owerri municipal, Southeastern Nigeria
Groundwater sampled from within and around reclaimed waste dumpsites in southeastern Nigeria showed acidic pH and elevated nitrate, aluminum, and chromium above WHO limits, with co-contamination patterns suggesting organic waste degradation as the primary pollution driver.
Evaluation of Soil Pollution Levels in Al-Qadisiyah Governorate, Iraq Using Contamination Index and GIS
Researchers used geo-accumulation index analysis and GIS mapping to evaluate heavy metal contamination from cadmium, nickel, lead, and zinc in 28 soil profiles collected from Al-Shamiyah city in Al-Qadisiyah Governorate, Iraq. They found that cadmium showed the highest contamination levels, ranging from non-polluted to significantly heavily polluted, with nickel concentrations elevated near major drainage infrastructure.
Polycyclic Aromatic Hydrocarbons in Soil and Vegetation of Niger Delta, Nigeria: Ecological Risk Assessment
Researchers assessed polycyclic aromatic hydrocarbon contamination in soils and vegetation across Nigeria's Niger Delta, finding elevated PAH levels in both matrices near oil exploration sites with ecological risk indices indicating significant environmental concern.
Assessment of Selected Environmental Soil Contaminants in Relation to Industrial and Urban Activities in South-West Nigeria
Researchers assessed heavy metal (Pb, Cd, Cr) and phthalate ester contamination in soils from four major landfill sites in Lagos and Ogun States, Nigeria, finding significant contamination — particularly cadmium at Olusosun landfill — with plastic-derived organic pollutants elevated at all sites.
Many oil wells, one evil: comprehensive assessment of toxic metals concentration, seasonal variation and human health risk in drinking water quality in areas surrounding crude oil exploration facilities in rivers state, Nigeria
Researchers assessed toxic metal concentrations in drinking water near crude oil exploration facilities in Nigeria, finding seasonal variations and levels exceeding safety thresholds that pose serious health risks to surrounding communities.
Quantifying co-contaminant sediment risk using geostatistical entropy and pollution indices: A transferable model from Ghana’s Birim basin
Researchers applied a transferable geostatistical framework combining Fourier Transform Infrared Spectroscopy, Atomic Absorption Spectroscopy, geo-accumulation indices, and ecological risk indices to assess co-contamination of sediments by microplastics and heavy metals in Ghana's Birim River basin, a tropical system impacted by artisanal mining and plastic waste mismanagement.
Mapping the impacts of the anthropogenic activities and seawater intrusion on the shallow coastal aquifer of Port Said, Egypt
Researchers used remote sensing, geophysical surveys, and water chemistry analysis to map groundwater contamination in the coastal area of Port Said, Egypt. They found that anthropogenic activities like fish farming and urbanization, combined with seawater intrusion, have significantly degraded groundwater quality. The study provides an integrated framework for understanding how human activity and saltwater encroachment jointly threaten freshwater resources in coastal regions.
Appraisal of Groundwater Vulnerability Pollution Mapping Using GIS Based GOD Index in Tiruchendur, Thoothukudi District, India
Researchers used GIS-based GOD vulnerability models to assess groundwater pollution risk in the Tiruchendur coastal area of southern India. The study found that 70% of the area consists of an unconfined aquifer system with moderate to high vulnerability to pollution, highlighting the need for careful groundwater management in this semi-arid coastal region.
Quality water not everywhere: Exploratory Analysis of Water Quality Across Ebocha-Obrikom Oil and Gas Flaring Area in the Core Niger Delta Region of Nigeria
Researchers analyzed water quality across the Ebocha-Obrikom oil and gas flaring area in Nigeria's Niger Delta, finding that communities near extraction operations face significantly degraded drinking water quality with potential health consequences.
Groundwater Vulnerability Assessment to Cemeteries Pollution through GIS-Based DRASTIC Index
Researchers used geographic information system (GIS) tools and the DRASTIC index to assess how vulnerable groundwater is to pollution from cemeteries. The study mapped areas where burial practices could allow contaminants from decomposing materials to reach underground water sources. The findings provide a framework for evaluating environmental risks associated with cemetery locations and protecting drinking water resources.
Identification of Groundwater Pollution Characteristics and Health Risk Assessment of a Landfill in a Low Permeability Area
Researchers assessed groundwater quality and health risks near a landfill in a low-permeability red-bed area of Southwest China, finding elevated concentrations of heavy metals and organic pollutants in shallow aquifers used for drinking water by nearby rural residents.