Assessing the Relationship Between Groundwater Availability, Access, and Contamination Risk in Arizona’s Drinking Water Sources

Water, Journal Year: 2025, Volume and Issue: 17(7), P. 1097 - 1097

Published: April 6, 2025

Groundwater is a critical drinking water source in arid regions globally, where reliance on groundwater highest. However, disparities availability, access, and quality pose challenges to security. This case study employs geostatistical tools, multivariate regression, clustering analysis examine the intersection of level changes (availability), socioeconomic regulatory factors (access), nitrate arsenic contamination (quality) across 1881 groundwater-supplied service areas Arizona. availability declined over 20-year 10-year periods, particularly outside designated management areas, with mean annual decline rates ranging from −15.97 −0.003 m/year. In contrast, increases (0.003 13.41 m/year) were concentrated urban managed areas. Karst aquifers show long-term resilience but short-term vulnerability. Non-designated exhibit mixed effects, reflecting variable effectiveness. Disparities access emerge along various lines. Communities higher Black populations are twice as likely (OR = 2.01, p < 0.001) experience declines, while Hispanic/Latino communities have lower depletion risks 0.92, 0.001). Tribal oversight significantly reduces risk 0.62, 0.001), whereas state–primacy effects. Higher female correlate increased older (65+) greater stability. Married-family households institutional housing associated declines. Migrant worker shows protective effects models. Rising levels detection, reinforcing recharge-driven contaminant mobilization. Nitrate exceedance 1.05) responds more changes, persists longer timescales 1.01–1.05), their distinct hydrogeochemical behaviors. Community systems pollutant detection than domestic well suggesting monitoring infrastructure differences influence patterns. primacy declines quality, reduced probabilities; yet they patterns, that governance influences dynamics. These findings advance sustainability research by quantifying multiple socio-hydrogeological drivers The results underscore need for expanded aquifer recharge, targeted interventions, strengthened reduce inequities support equitable sustainable management.

Language: Английский

MODFLOW-based groundwater level prediction and comprehensive determination of anti-floating water level for airports under construction

Frontiers in Earth Science, Journal Year: 2025, Volume and Issue: 13

Published: April 28, 2025

The fluctuation of the groundwater level at a construction site is crucial in determining design anti-floating water level. mainly based on measured during survey period combined with information acquired from surrounding engineering. However, this approach fails to predict future variation level, which can potentially endanger safety process and building occupancy. Therefore, comprehensive method for proposed research background expanding airport Jinan. In conjunction actual expanded airport, numerical simulation conducted under changes three different depths 3, 8, 16 m. levels corresponding are 19.2–18.3 m, 19.1–18.3 18.9 m−18.1 respectively. analysis precipitation reveals linear relationship between January 2018 December 2022. addition, quantitative theoretical calculation proposed. Finally, comparison performed rainfall data simulated essentially same western part study area, while obtained lower southeast higher northeast region. On basis, highest value among taken, divided. measurements

Language: Английский