1414 papers
This study investigates the hydrogeochemical impact of water infiltration in the Bastacolla area of Jharia Coalfield, India, revealing that interactions with coal seams significantly degrade water quality through mineral dissolution and heavy metal contamination, thereby necessitating passive treatment and continuous monitoring to meet safety standards.
Based on a two-year study of the downtown Chicago River, this paper demonstrates that while shoreline armoring negatively impacts turtle occupancy, the presence of specific basking structures—whether natural or manmade like flipped boats and iron beams—can sustain turtle populations, suggesting that urban river restoration should prioritize shoreline softening or the strategic installation of artificial basking sites.
A study of eight stormwater ponds in Florida found that increasing vegetation cover on banks or in littoral zones did not significantly reduce nutrient inputs or enhance treatment rates, suggesting that planting strategies alone are insufficient for meeting nutrient removal goals.
In Madagascar's grassy ecosystems, increased fire frequency significantly alters carbon partitioning by reducing aboveground stocks while increasing belowground pools, resulting in no detectable change in total ecosystem carbon despite shifts in allocation.
This study utilizes multi-tracer hydrochemical and dual nitrate isotope analyses of 70 groundwater samples to reveal that nitrate contamination in the Denpasar Basin's volcanic aquifer originates from agricultural fertilizers in recharge zones and domestic sewage in urban discharge zones, with transport regulated by an intermediate flow system and partially mitigated by localized microbial denitrification.
The paper introduces QuakeGen, a conditional diffusion model that outperforms traditional statistical methods by generating spatiotemporal aftershock fields that accurately capture fault-controlled anisotropic patterns and variable productivity, thereby advancing earthquake forecasting through data-driven generative modeling.
This study reveals that climate change-induced drought has severely impacted farmers in Jowhar District, Somalia, by causing widespread water scarcity, crop failure, and income loss, while highlighting the urgent need for improved irrigation, climate-smart agriculture, and institutional support to enhance resilience.
This study investigates the seasonal and spatial distribution of heavy metals in Bangladesh's Jamuna, Padma, and Meghna rivers, revealing that while agricultural land use dominates the river corridors, metal concentrations are driven more by seasonal hydrological mobilization and site-specific geogenic-anthropogenic inputs than by broad river identity or permanent land-use changes.
This study integrates remote sensing and household survey data with CatBoost–SHAP analysis to develop a Flood–Salinity WASH Vulnerability Index (FS-WVI) across eight unions in Subarnachar, revealing that spatial vulnerability patterns are driven by distinct combinations of exposure, sensitivity, and adaptive capacity deficits rather than hazard intensity alone, with tubewell depth and compound hazards identified as key predictors of drinking-water salinity.
This global assessment confirms that the unimodal distribution assumption underlying normalized drought indices like SPI and SPEI is valid for most locations and applications, with bimodality being a rare phenomenon primarily limited to short accumulation periods in arid, highly seasonal regions where it often stems from data artifacts rather than true climatic processes.