Coupling compositional PCA with t-SNE radar signatures for characterizing a PFAS contaminated fractured chalk aquifer exploited for water supply [0.03%]
结合PCA和t-SNE雷达图特征刻画受PFAS污染的地下水供水碎屑岩含水层属性耦合组成式PCA与t-SNE雷达签名表征PFAS污染的断裂白垩含水层属性
Anthony Mahieu,Guillaume De Schepper,Nicolas Devau et al.
Anthony Mahieu et al.
This study aims to improve the understanding of the groundwater contamination by per- and polyfluoroalkyl substances (PFAS) at a strategic abstraction site located in a fractured chalk aquifer in Wallonia (South Belgium), to better secure a...
Semi-analytical modeling of multispecies radionuclide decay chain transport in heterogeneous aquifers using the Temporally Relaxed Theory (TRT) [0.03%]
基于时间松弛理论(TRT)在异质含水层中多核素衰变链运移的半分析模型
D Nga Ongodo,V de P Chakam,S Mbida Mbembe et al.
D Nga Ongodo et al.
This study presents a semi-analytical model based on the temporally relaxed theory (TRT) of Fick's Law to simulate non-Fickian transport of a multispecies contaminant decay chain in groundwater. The model introduces two relaxation times per...
Long-term performance, configuration, and field challenges of permeable reactive barriers: Potential use in fluoride and nutrient affected regions [0.03%]
渗透反应屏障的长期性能、配置及现场挑战:在氟化物和营养物质污染地区使用中的潜在问题
Prashant Bhadula,Sanyam Dangayach,Madhu Agarwal
Prashant Bhadula
This review evaluates the long-term performance, configuration, and field challenges of permeable reactive barriers (PRBs) with a focus on their potential use in groundwater systems affected by fluoride and nutrients. Different PRB configur...
Revisiting the Domenico plume formula through saddle-point asymptotics [0.03%]
基于鞍点渐近法的Domenico公式再研究
Kentaro Miyamoto,Makoto Yasojima,Hiroaki Takemori et al.
Kentaro Miyamoto et al.
The Domenico plume formula is widely used for screening contaminant migration, yet its relation to the reactive advection-dispersion equation has remained unclear. Starting from the Green's function solution for a finite rectangular source ...
Hydrogeochemical and statistical analysis of leachate-impacted groundwater in an urban landfill setting [0.03%]
受渗滤液影响的都市垃圾填埋场地下水的水文地球化学及统计分析
Sohelkhan Pathan,P D Sreedevi,Tanvi Arora
Sohelkhan Pathan
Groundwater contamination associated with legacy landfills is a major environmental concern in rapidly urbanising regions. This study investigates the seasonal hydrogeochemical characteristics of groundwater surrounding the Ghazipur landfil...
A novel anionic-nonionic Gemini surfactant SANG 13 for high-efficiency flushing remediation of halogenated hydrocarbon contaminated aquifers [0.03%]
一种阳离子非离子Gemini表面活性剂SANG 13用于卤代烃污染地下水的高效洗脱修复
Jiayi Zhou,Yu Yao,Chuanyu Qin
Jiayi Zhou
Surfactant-enhanced aquifer remediation (SEAR) has been widely recognized as an effective technique for removing dense nonaqueous phase liquids (DNAPLs). Common monomeric surfactants often suffer from limitations such as precipitation, high...
Multi-scale landscapes influence seasonal water quality variations in a semi-arid basin: Mechanistic insights and threshold-based management [0.03%]
多尺度景观影响半干旱流域季节性水质变化:机制见解和阈值管理
Mengyuan Yang,Yuxing Yan,Guoqiang Wang et al.
Mengyuan Yang et al.
River water quality degradation poses critical challenges in semi-arid regions due to intensifying human activities and limited water resources, making an understanding of scale-dependent landscape-water quality relationships essential for ...
Monsoon-driven spatio-temporal dynamics of microplastics in Brahmaputra riverbank sediments: Quantification using spectroscopic, pollution index and multivariate analysis [0.03%]
基于光谱学、污染指数和多变量分析的微塑料定量的布拉马普特拉河岸沉积物中受季风驱动的时空动态特征研究
Sumantra Chaudhuri,Chiradip Barua,Sreedeep Sekharan et al.
Sumantra Chaudhuri et al.
Microplastics (MPs) are plastics that are smaller than 5 mm in size, have become a major issue among scientists and regulatory bodies due to their pervasive presence in aquatic environments, sediments, and the atmosphere. Despite a recent s...
A robust Sentinel-2-based high-frequency optical sensing framework for understanding asymmetric turbidity responses to hydrological regulation in deep reservoirs [0.03%]
一种基于Sentinel-2的光学遥感框架:理解大水库梯级调控下的浑浊度不对称响应机制
Yunhui Li,Xizhi Nong,Lihua Chen et al.
Yunhui Li et al.
Water level fluctuation zones (WLFZ) in large deep reservoirs are critical interfaces mediating sediment dynamics, yet the mechanistic link between hydrological regulation rates and nearshore turbidity dynamics remains poorly elucidated. To...
Microplastic transport in meandering open-channel flows: Coupled effects of sinuosity and particle density [0.03%]
弯曲开放式渠道流中的微塑料传输:曲率和颗粒密度的耦合效应
Jun Song Kim,Siyoon Kwon
Jun Song Kim
This study investigates the interplay between channel sinuosity and particle density in microplastic (MP) transport in meandering channels using a three-dimensional flow and Lagrangian particle tracking simulation framework. A series of mea...