Search Results - "Lapworth, D J"

Emerging organic contaminants in groundwater: A review of sources, fate and occurrence by Lapworth, D.J., Baran, N., Stuart, M.E., Ward, R.S.

“…Emerging organic contaminants (EOCs) detected in groundwater may have adverse effects on human health and aquatic ecosystems. This paper reviews the existing…”
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Urban groundwater quality in sub-Saharan Africa: current status and implications for water security and public health by Lapworth, D. J., Nkhuwa, D. C. W., Okotto-Okotto, J., Pedley, S., Stuart, M. E., Tijani, M. N., Wright, J.

“…Groundwater resources are important sources of drinking water in Africa, and they are hugely important in sustaining urban livelihoods and supporting a diverse…”
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Groundwater and resilience to drought in the Ethiopian highlands by MacDonald, A M, Bell, R A, Kebede, S, Azagegn, T, Yehualaeshet, T, Pichon, F, Young, M, McKenzie, A A, Lapworth, D J, Black, E, Calow, R C

“…During drought, groundwater is often relied on to provide secure drinking water, particularly in rural Africa where other options are limited. However, the…”
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Drinking water quality from rural handpump-boreholes in Africa by Lapworth, D J, MacDonald, A M, Kebede, S, Owor, M, Chavula, G, Fallas, H, Wilson, P, Ward, J S T, Lark, M, Okullo, J, Mwathunga, E, Banda, S, Gwengweya, G, Nedaw, D, Jumbo, S, Banks, E, Cook, P, Casey, V

“…Groundwater provides a vital source of drinking water for rural communities in many parts of Africa, particularly in the dry season when there are few safe…”
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Molybdenum distributions and variability in drinking water from England and Wales by Smedley, P. L, Cooper, D. M, Lapworth, D. J

“…An investigation has been carried out of molybdenum in drinking water from a selection of public supply sources and domestic taps across England and Wales…”
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Residence times of shallow groundwater in West Africa: implications for hydrogeology and resilience to future changes in climate by Lapworth, D. J., MacDonald, A. M., Tijani, M. N., Darling, W. G., Gooddy, D. C., Bonsor, H. C., Araguás-Araguás, L. J.

“…Although shallow groundwater (<50 mbgl) sustains the vast majority of improved drinking-water supplies in rural Africa, there is little information on how…”
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Terrestrial water load and groundwater fluctuation in the Bengal Basin by Burgess, W. G., Shamsudduha, M., Taylor, R. G., Zahid, A., Ahmed, K. M., Mukherjee, A., Lapworth, D. J., Bense, V. F.

“…Groundwater-level fluctuations represent hydraulic responses to changes in groundwater storage due to aquifer recharge and drainage as well as to changes in…”
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Source and persistence of pesticides in a semi-confined chalk aquifer of southeast England by Lapworth, D.J., Gooddy, D.C.

“…Pesticide contamination in groundwater is an increasing problem that poses a significant long-term threat to water quality. Following the detection of elevated…”
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Quality measures for soil surveys by lognormal kriging by Lark, R.M., Lapworth, D.J.

“…If we know the variogram of a random variable then we can compute the prediction error variances (kriging variances) for kriged estimates of the variable at…”
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Tracing groundwater flow and sources of organic carbon in sandstone aquifers using fluorescence properties of dissolved organic matter (DOM) by Lapworth, D.J., Gooddy, D.C., Butcher, A.S., Morris, B.L.

“…The fluorescence properties of groundwaters from sites in two UK aquifers, the Penrith Sandstone of Cumbria and the Sherwood Sandstone of South Yorkshire, were…”
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The offset correlation, a novel quality measure for planning geochemical surveys of the soil by kriging by Lark, R.M., Lapworth, D.J.

“…This paper presents a quality measure to plan geostatistical soil surveys when measures based on the kriging variance are not applicable. The criterion is the…”
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Groundwater quality in the alluvial aquifer system of northwest India: New evidence of the extent of anthropogenic and geogenic contamination by Lapworth, D.J., Krishan, G., MacDonald, A.M., Rao, M.S.

“…Groundwater depletion has been widely studied in northwest India, but water quality concerns are still poorly constrained. In this study, we explore the…”
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Groundwater quality: Global threats, opportunities and realising the potential of groundwater by Lapworth, D.J., Boving, T.B., Kreamer, D.K., Kebede, S., Smedley, P.L.

“…Groundwater is a critical resource enabling adaptation due to land use change, population growth, environmental degradation, and climate change. It can be a…”
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Groundwater quality and depletion in the Indo-Gangetic Basin mapped from in situ observations by MacDonald, A. M., Bonsor, H. C., Ahmed, K. M., Burgess, W. G., Basharat, M., Calow, R. C., Dixit, A., Foster, S. S. D., Gopal, K., Lapworth, D. J., Lark, R. M., Moench, M., Mukherjee, A., Rao, M. S., Shamsudduha, M., Smith, L., Taylor, R. G., Tucker, J., van Steenbergen, F., Yadav, S. K.

“…Increasing groundwater abstraction in the Indo-Gangetic Basin poses a threat to groundwater supplies. In situ observations reveal that sustainable groundwater…”
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Groundwater, flooding and hydrological functioning in the Findhorn floodplain, Scotland by MacDonald, A. M., Lapworth, D. J., Hughes, A. G., Auton, C. A., Maurice, L., Finlayson, A., Gooddy, D. C.

“…A large floodplain of the River Findhorn, northeast Scotland, was investigated using hydrogeological and hydrochemical methods (including residence time…”
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Deep urban groundwater vulnerability in India revealed through the use of emerging organic contaminants and residence time tracers by Lapworth, D.J., Das, P., Shaw, A., Mukherjee, A., Civil, W., Petersen, J.O., Gooddy, D.C., Wakefield, O., Finlayson, A., Krishan, G., Sengupta, P., MacDonald, A.M.

“…Demand for groundwater in urban centres across Asia continues to rise with ever deeper wells being drilled to avoid shallow contamination. The vulnerability of…”
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Emerging contaminants in urban groundwater sources in Africa by Sorensen, J.P.R., Lapworth, D.J., Nkhuwa, D.C.W., Stuart, M.E., Gooddy, D.C., Bell, R.A., Chirwa, M., Kabika, J., Liemisa, M., Chibesa, M., Pedley, S.

“…The occurrence of emerging organic contaminants within the aquatic environment in Africa is currently unknown. This study provides early insights by…”
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Emerging organic compounds in European groundwater by Bunting, S.Y., Lapworth, D.J., Crane, E.J., Grima-Olmedo, J., Koroša, A., Kuczyńska, A., Mali, N., Rosenqvist, L., van Vliet, M.E., Togola, A., Lopez, B.

“…In Europe, emerging organic compounds (EOCs) in groundwater is a growing research area. Prioritisation for monitoring EOCs in Europe was formalised in 2019…”
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Persistent and emerging micro-organic contaminants in Chalk groundwater of England and France by Lapworth, D.J., Baran, N., Stuart, M.E., Manamsa, K., Talbot, J.

“…The Chalk aquifer of Northern Europe is an internationally important source of drinking water and sustains baseflow for surface water ecosystems. The areal…”
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Characterising changes in fluorescence properties of dissolved organic matter and links to N cycling in agricultural floodplains by Tye, A.M., Lapworth, D.J.

“…•DOM properties in a soil–sand and gravel alluvial aquifer system were analysed.•DOM properties analysed in KCl extracts along with inorganic and organic N…”
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