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Ronald Maharaj, Sushil Kumar, Nicholas Rollings and Andreas Antoniou
A geophysical method, electrical resistivity tomography, was applied to identify potential groundwater-bearing zones around Nubutautau village on Viti Levu island, Fiji. Apparent resistivity data of the subsurface were collected through an electrode asse...
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Feleke K. Sishu, Seifu A. Tilahun, Petra Schmitter and Tammo S. Steenhuis
Nitrate is globally the most widespread and widely studied groundwater contaminant. However, few studies have been conducted in sub-Saharan Africa, where the leaching potential is enhanced during the rainy monsoon phase. The few monitoring studies found ...
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Minghua Ren, José Alfredo Rodríguez-Pineda and Philip Goodell
Arsenic is a naturally occurring trace element that causes many health effects when present in drinking water. Elevated arsenic concentrations in water are often attributed to nearby felsic volcanic sequences; however, the specific rock units to which th...
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Carlos G. Ochoa, William Todd Jarvis and Jesse Hall
A broad understanding of local geology and hydrologic processes is important for effective water resources management. The objectives of this project were to characterize the hydrogeologic framework of the Oak Creek Watershed (OCW) geographical area and ...
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Gabriel Ureta, Károly Németh, Felipe Aguilera and Rodrigo González
Maar volcanoes are monogenetic landforms whose craters cut below the pre-eruptive surface and are surrounded by a tephra ring. Both the maar crater and the surrounding tephra rim deposits are typically formed due to magma?water explosive interactions. No...
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David Walker, Geoff Parkin, John Gowing and Alemseged Tamiru Haile
Rural communities in sub-Saharan Africa commonly rely on shallow hand-dug wells and springs; consequently, shallow aquifers are an extremely important water source. Increased utilisation of shallow groundwater could help towards achieving multiple sustai...
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Andy Zdon, Keith Rainville, Nicholas Buckmaster, Steve Parmenter and Adam H. Love
While the desert ecosystem is highly dependent on the water resources that sustain it, the Fish Slough spring complex is an arid, spring-dependent wetland undergoing a multidecadal decline in spring outflow. This evaluation updates the source water foren...
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Mathieu Viossanges, Paul Pavelic, Lisa-Maria Rebelo, Guillaume Lacombe and Touleelor Sotoukee
This study focuses on Laos, a landlocked nation located in South-East Asia with sub-tropical climate and highly seasonal rainfall distribution. Laos is one of the world?s least developed countries, and currently witnesses an unprecedented level of develo...
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Qiang Gao, Yanjun Shang, Muhammad Hasan, Weijun Jin and Peng Yang
In areas where weathering has hydrogeological significance, geophysical methods can assist to map the subsurface characteristics for groundwater occurrence. In this study, electrical resistivity tomography (ERT) survey in combination with joint profile m...
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Giovanna Armiento, Antonella Baiocchi, Carlo Cremisini, Cinzia Crovato, Francesca Lotti, Luca Lucentini, Maurizio Mazzuoli, Elisa Nardi, Vincenzo Piscopo, Marco Proposito and Enrico Veschetti
This study concerns the occurrence of arsenic in the groundwater system of the Cimino-Vico volcanic area (central Italy), different parts of which are currently widely used for local drinking water supply and for irrigation. The system shows a complex gr...
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