W.G. Darling
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View article: Stable-isotope variability in daily precipitation: insights from a low-cost collector in SE England
Stable-isotope variability in daily precipitation: insights from a low-cost collector in SE England Open
Precipitation stable-isotope data are often used in hydroclimatic, hydrological and hydrogeological investigations, with measurements typically undertaken on integrated monthly samples. However, daily sampling reveals overlooked aspects of…
View article: Groundwater recharge is diffuse in semi-arid African drylands: Evidence from highly instrumented observatories
Groundwater recharge is diffuse in semi-arid African drylands: Evidence from highly instrumented observatories Open
We use two comprehensively instrumented field observatories to understand groundwater recharge processes in African drylands. The observatories are located on crystalline basement geology in semi-arid parts of Ghana and Burkina Faso, aridi…
View article: Risk of groundwater contamination widely underestimated because of fast flow into aquifers
Risk of groundwater contamination widely underestimated because of fast flow into aquifers Open
Significance Clean groundwater is essential for water supply in many regions of the world. Fast flow to the groundwater through enlarged cracks and fissures, which is known to transmit short-lived pollutants into the groundwater, is often …
View article: Danger of groundwater contamination widely underestimated because of shortcuts for aquifer recharge
Danger of groundwater contamination widely underestimated because of shortcuts for aquifer recharge Open
Groundwater pollution threatens human and ecosystem health in many areas around the globe. Shortcuts to the groundwater through concentrated recharge are known to transmit short-lived pollutants into carbonate aquifers endangering water qu…
View article: Groundwater–glacier meltwater interaction in proglacial aquifers
Groundwater–glacier meltwater interaction in proglacial aquifers Open
Groundwater plays a significant role in glacial hydrology and can buffer changes to the timing and magnitude of flows in meltwater rivers. However, proglacial aquifer characteristics or groundwater dynamics in glacial catchments are rarely…
View article: Groundwater / meltwater interaction in proglacial aquifers
Groundwater / meltwater interaction in proglacial aquifers Open
Groundwater plays a significant role in glacial hydrology and can buffer changes to the timing and magnitude of meltwater flows. However, proglacial aquifer characteristics or groundwater dynamics in glacial catchments are rarely studied d…
View article: Characteristics of high-intensity groundwater abstractions from weathered crystalline bedrock aquifers in East Africa
Characteristics of high-intensity groundwater abstractions from weathered crystalline bedrock aquifers in East Africa Open
Weathered crystalline bedrock aquifers sustain water supplies across the tropics, including East Africa. Although well yields are commonly <1 L s^{-1}, more intensive abstraction occurs and provides vital urban and agricultural water suppl…
View article: The age and origin of groundwater in the Great Western Erg sub-basin of the North-Western Sahara aquifer system: Insights from Krechba, central Algeria
The age and origin of groundwater in the Great Western Erg sub-basin of the North-Western Sahara aquifer system: Insights from Krechba, central Algeria Open
The North-Western Sahara aquifer system (NWSAS) forms an important transboundary groundwater resource whose properties remain to be fully understood across its whole extent. For example, groundwater flow in the Cretaceous Continental Inter…
View article: A baseline survey of dissolved methane in aquifers of Great Britain
A baseline survey of dissolved methane in aquifers of Great Britain Open
Interest in dissolved methane (CH4) concentrations in aquifers in England, Scotland and Wales ('Great Britain' or GB) has grown concurrently with interest in the exploitation of unconventional gas sources (UGS). Experience, mainly from Nor…
View article: Testing tritium-helium groundwater dating in the Chalk aquifer of the Berkshire Downs, UK
Testing tritium-helium groundwater dating in the Chalk aquifer of the Berkshire Downs, UK Open
The tritium-helium (3H/3He) dating method has been applied to the Chalk (fractured microporous limestone) aquifer
\nin the UK for the first time. An evaluation of the results from diffusion cell versus pumped tube sampling showed generally…
View article: Mike Edmunds: Fifty Years of Water, Rock and Interaction
Mike Edmunds: Fifty Years of Water, Rock and Interaction Open
For almost 50 years Mike Edmunds pursued an accomplished and influential career in hydrogeochemistry. His research interests covered the gamut of groundwater quality issues ranging from the effects of acid rain on upland streams to the ori…
View article: The baseline concentrations of methane in Great British groundwater : the National Methane Baseline Survey
The baseline concentrations of methane in Great British groundwater : the National Methane Baseline Survey Open
This report describes the BGS research programme evaluating the baseline concentration of methane in groundwater which ran from November 2011 to completion in March 2016. The aim of the survey has been to improve knowledge of conditions in…
View article: Using stable isotopes and continuous meltwater river monitoring to investigate the hydrology of a rapidly retreating Icelandic outlet glacier
Using stable isotopes and continuous meltwater river monitoring to investigate the hydrology of a rapidly retreating Icelandic outlet glacier Open
Virkisjökull is a rapidly retreating outlet glacier draining the western flanks of Öræfajökull in SE Iceland. Since 2011 there have been continuous measurements of flow in the proglacial meltwater channel and regular campaigns to sample st…