Long-term shear strength weakening of soft interlayers due to low-permeability [0.03%]
低渗透条件下软弱夹层的长期剪切强度衰减规律研究
Chong Ma,Bin Hu,Hongbin Zhan
Chong Ma
Soft interlayers are distiuctive geological units that serve as semi-permeable layers that regulate water flow and chemical transport in the subsurface. However, their hydrogeolocial characteristics are still poorly understood due to its un...
Charles E Schaefer,Paul Ho,Erin Berns et al.
Charles E Schaefer et al.
Laboratory batch experiments were performed to assess the reduction of trichloroethene (TCE) and oxygen via natural ferrous minerals. TCE reduction under anoxic conditions was measured via the generation of reduced gases, while oxygen reduc...
Model-based evidence for the relevance of microbial community variability to the efficiency of the anaerobic reductive dechlorination of TCE [0.03%]
基于模型的关于微生物群落变异性对三氯乙烯厌氧还原脱氯效率影响的证据
Kyriakos Kandris,Marina Pantazidou,Daniel Mamais
Kyriakos Kandris
The composition of mixed dechlorinating communities varies considerably in field and laboratory conditions. Dechlorinators thrive alongside with distinctive populations that help or hinder dechlorination. The variability of the composition ...
Understanding the mechanisms of groundwater recharge and flow in periglacial environments: New insights from the Ledo-Paniselian aquifer in Belgium [0.03%]
比利时Ledo-Paniselian含水层地下水补给与径流机制研究的新认识
Kristine Walraevens,Albert Fernández-Lagunas,Petra Blaser et al.
Kristine Walraevens et al.
The Ledo-Paniselian aquifer in Belgium has been proposed to offer unique opportunities to study groundwater recharge and flow in periglacial conditions during the Last Glacial Maximum (LGM), due to its location in the permanent permafrost a...
Groundwater inflow in rivers as a controlling factor to surface water nitrate concentrations and impact of groundwater age distribution on response times for remediation strategies [0.03%]
地下水补给对河流硝酸盐浓度的影响及地下水质分布对修复策略响应时间的影响研究
Marc Van Camp,Jeroen De Waele,Stefaan De Neve et al.
Marc Van Camp et al.
Diffuse groundwater contamination by intense fertilizer use is a widespread problem in most of the agricultural regions in West-Europe and in many other countries worldwide. As a result elevated nitrate concentrations in groundwater are fou...
A dual-randomness bi-level interval multi-objective programming model for regional water resources management [0.03%]
一种考虑双随机性的区间多目标双层规划模型及其在水资源优化配置中的应用
Jun Xiao,Yanpeng Cai,Yanhu He et al.
Jun Xiao et al.
In this research, a dual-randomness bi-level interval multi-objective programming (DR-BIMP) model was developed for supporting water resources management among multiple water sectors under complexities and uncertainties. Techniques of bi-le...
Effective decontamination of Ca2+ and Mg2+ hardness from groundwater using innovative muscovite based sodalite in batch and fixed-bed column studies; dynamic and equilibrium studies [0.03%]
利用创新白云母为基础的钠沸石从地下水中有效去硬度离子钙和镁的实验研究;动态与平衡研究
Mohamed Abdel Salam,Alyaa Adlii,Mohamed Hamdy Eid et al.
Mohamed Abdel Salam et al.
A novel form of sodalite was synthesized from muscovite (M.SD) as low-cost softening material for both Ca2+ and Mg2+ ions from real groundwater in batch and column studies. The sodalite sample showed significant surface area (105 m2/g) and ...
Simultaneous identification of contaminant sources and hydraulic conductivity field by combining geostatistics method with self-organizing maps algorithm [0.03%]
基于自组织映射算法与地质统计法联合的污染源及渗透系数场同时识别方法
Simin Jiang,Jinbing Liu,Xuemin Xia et al.
Simin Jiang et al.
In the contaminant remediation of groundwater, the release history of contaminant sources and hydraulic conductivity field are two key parameters that need to know, but their actual values are difficult to obtain and can only be inversely i...
Elucidating heterogeneous nitrate contamination in a small basement aquifer. A multidisciplinary approach: NO3 isotopes, CFCs-SF6, microbiological activity, geophysics and hydrogeology [0.03%]
硝酸盐污染的异质性研究:以同位素、微生物学、地球物理和水文地质等多学科综合研究厘清小型埋藏含水层中的硝酸盐污染问题
Emmanuelle Petelet-Giraud,Nicole Baran,Virginie Vergnaud-Ayraud et al.
Emmanuelle Petelet-Giraud et al.
Nitrate contamination of groundwater remains a major concern despite all the measures and efforts undertaken over the last decades to protect water resources. We focused on a small catchment in Brittany (France) facing nitrate pollution wit...
Charles E Schaefer,Dina Drennan,Anastasia Nickerson et al.
Charles E Schaefer et al.
Diffusion through a water saturated silty clay soil column was measured for six perfluoroalkyl acids (PFAAs), including perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). An aqueous pore diffusion model, which incorpora...