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Yuan Yao, Chenwei Tu, Gaojia Hu, Yuhan Zhang, Hanyuan Cao, Wanrui Wang and Weihua Wang
Intense anthropogenic activities in arid regions remarkably affect groundwater by causing phreatic decline and water environmental deterioration. A systematic understanding of groundwater hydrochemical evolution and recharge is critical to regional water...
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Maria Perraki, Vasilios Skliros, Petros Mecaj, Eleni Vasileiou, Christos Salmas, Ioannis Papanikolaou and Georgios Stamatis
Sixteen surface (5) and groundwater (11) samples were collected from the south-eastern part of Attica, Greece, and analysed for physico-chemical parameters and microplastics (MPs) by optical microscopy and Raman microspectroscopy (RS). A total of 3399 pa...
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Hao Zou, Jing-Sen Cai, E-Chuan Yan, Rui-Xuan Tang, Lin Jia and Kun Song
Due to the spatial variability of hydraulic properties, probabilistic slope seepage analysis becomes necessary. This study conducts a probabilistic analysis of slope seepage under rainfall, considering the spatial variability of saturated hydraulic condu...
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Ruiping Liu, Fei Liu, Youning Xu, Hua Zhu, Jiangang Jiao and Refaey M. El-Wardany
Fluoride (F) is an essential element of drinking water for human health, especially for bone development and enamel creation. However, if the fluoride content in drinking water is higher than 1.5 mg/L or lower than 0.5 mg/L, it will cause endemic disease...
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Ryan T. Dapkus, Alan E. Fryar, Benjamin W. Tobin, Diana M. Byrne, Shishir K. Sarker, Leonie Bettel and James F. Fox
Karst aquifers are susceptible to contamination by pathogenic microorganisms, such as those found in human and animal waste, because the surface and subsurface drainage are well integrated through dissolution features. Fecal contamination of water is com...
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Tao Li, Yuesong Tang, Lianghui Li, Haoyu Hu, Zheng Li, Jiqing He and Bochao An
Taking the 14,030 panel of Zhaogu No. 2 coal mine as its research object, this paper studies the evolution characteristics of the developing height, propagation track and caving arch shape of water-flowing fractures under the influence of thick alluvium ...
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Edoardo Severini, Marco Bartoli, Monica Pinardi and Fulvio Celico
The Po Plain (northern Italy) is one of the largest aquifers in Europe, and 67% of the utilized agricultural land in this area is classified as a nitrate vulnerable zone (NVZ). However, it hosts intensive agriculture and livestock farming. In a stretch o...
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Esteban Caligaris, Margherita Agostini and Rudy Rossetto
Managed Aquifer Recharge (MAR), the intentional recharge of aquifers, has surged worldwide in the last 60 years as one of the options to preserve and increase water resources availability. However, estimating the extent of the area impacted by the rechar...
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Wanrui Wang, Yapeng Chen, Weihua Wang, Yuhai Yang, Yifeng Hou, Shuai Zhang and Ziyang Zhu
Land use change greatly affects groundwater hydrochemical cycling and thereby food and ecosystem security in arid regions. Spatiotemporal distribution of groundwater hydrochemistry is vital to understand groundwater water-salt migration processes in the ...
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Juan Carlos Cañaveras, Jose Pedro Calvo, Salvador Ordóñez, María Concepción Muñoz-Cervera and Sergio Sánchez-Moral
An intra-Vallesian (Upper Miocene) paleokarst developed at the top of the Intermediate Miocene Unit in the continental intracratonic Madrid Basin is recognized. This paleokarst is an early shallow, tabular-shaped karst that shows a marked control by the ...
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