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Items where NERC Author is "Lapworth, Dan"

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Number of items: 74.

Stuart, Marianne; Lapworth, Dan; Manamsa, Katya. 2014 Detailing new and emerging groundwater pollutants and their potential risk to groundwater environments. [Lecture] In: Groundwater 2014 - Regulatory updates & practical solutions for improved risk assessment, quality and resource protection , London, UK, 15 May 2014. (Unpublished)

Stuart, Marianne; Lapworth, Dan; Manamsa, Katya. 2014 Emerging organic groundwater contaminants and their transformation products. [Lecture] In: Degradation and Toxicity of Organic Contaminants in the Ground, London, UK, 13 February 2014. British Geological Survey. (Unpublished)

Stuart, Marianne E.; Lapworth, Dan J.. 2014 Transformation products of emerging organic compounds as future groundwater and drinking water contaminants. In: Lambropoulou, Dimitra A.; Nollet, Leo M.L., (eds.) Transformation products of emerging contaminants in the environment: analysis, processes, occurrence, effects and risks. Wiley, 65-86.

Smedley, P.L.; Cooper, D.M.; Lapworth, D.J.. 2014 Molybdenum distributions and variability in drinking water from England and Wales. Environmental Monitoring and Assessment. 10.1007/s10661-014-3863-x

Gooddy, D.C.; Macdonald, D.M.J.; Lapworth, D.J.; Bennett, S.A.; Griffiths, K.J.. 2014 Nitrogen sources, transport and processing in peri-urban floodplains. Science of The Total Environment, 494-495. 28-38. 10.1016/j.scitotenv.2014.06.123

Smedley, P.L.; Cooper, D.M.; Ander, E.L.; Milne, C.J.; Lapworth, D.J.. 2014 Occurrence of molybdenum in British surface water and groundwater: distributions, controls and implications for water supply. Applied Geochemistry, 40. 144-154. 10.1016/j.apgeochem.2013.03.014

Sorensen, James; Maurice, Lou; Edwards, Francois; Lapworth, Dan; Read, Daniel; Allen, Debbie; Butcher, Andrew; Newbold, Lindsay; Townsend, Barry; Williams, Peter. 2013 The challenges of investigating groundwater ecosystems using boreholes. [Poster] In: What's new in hydrogeology, Leeds, UK, 6 November 2013. (Unpublished)

Sorensen, James P.R.; Maurice, Louise; Edwards, Francois K.; Lapworth, Daniel J.; Read, Daniel S.; Allen, Debbie; Butcher, Andrew S.; Newbold, Lindsay K.; Townsend, Barry R.; Williams, Peter J.. 2013 Using boreholes as windows into groundwater ecosytems. Plos One, 8 (7), e70264. 10.1371/journal.pone.0070264

Lapworth, Dan J.; Stolpe, Bjorn; Williams, Peter J.; Gooddy, Daren C.; Lead, Jamie R.. 2013 Characterization of suboxic groundwater colloids using a multi-method approach. Environmental Science and Technology, 47 (6). 2554-2561. 10.1021/es3045778

Stuart, Marianne; Lapworth, Dan. 2013 Emerging organic contaminants in groundwater. In: Mukhopadhyay, S.C.; Mason, A., (eds.) Smart Sensors for Real-Time Water Quality Monitoring. Berlin, Germany, Springer-Verlag, 259-284. (Smart Sensors, Measurement and Instrumentation , 4).

Stuart, Marianne E.; Lapworth, Dan J.; Thomas, Jenny; Edwards, Laura. 2013 Fingerprinting groundwater pollution in catchments with contrasting contaminant sources using microorganic compounds. Science of the Total Environment, 468-469. 564-577. 10.1016/j.scitotenv.2013.08.042

Lapworth, D.J.; MacDonald, A.M.; Tijani, M.N.; Darling, W.G.; Gooddy, D.C.; Bonsor, H.C.; Araguás-Araguás, L.J.. 2013 Residence times of shallow groundwater in West Africa: implications for hydrogeology and resilience to future changes in climate. Hydrogeology Journal, 21 (3). 673-686. 10.1007/s10040-012-0925-4

Ward, Robert; Lapworth, Dan; Stuart, Marianne. 2013 Water Framework Directive Common Implementation Strategy Expert Group and European Commission review of Groundwater Directive (2006/118/EC). [Impact (Policy)]

Lapworth, Dan J.; Gooddy, Daren C.; Kent, Flo; Heaton, Tim H.E.; Cole, Steven J.; Allen, Debbie. 2013 A combined geochemical and hydrological approach for understanding macronutrient sources. Journal of Hydrology, 500. 226-242. 10.1016/j.jhydrol.2013.07.006

Lark, R.M.; Lapworth, D.J.. 2013 The offset correlation, a novel quality measure for planning geochemical surveys of the soil by kriging. Geoderma, 197-198. 27-35. 10.1016/j.geoderma.2012.12.020

Stolpe, Bjorn; Lapworth, Dan J.; Lead, Jamie; Guo, Laodong; Shiller, Alan M.; Gooddy, Daren C.. 2012 Iron-rich nanoparticle formation and importance for trace metal transport in groundwater and Arctic rivers. [Lecture] In: Nanogeoscience: A new frontier in science and technology for earth and environmental systems, London, UK, 10 December 2012. The Geological Society.

Lapworth, Dan; Stuart, Marianne. 2012 The challenge of emerging groundwater contaminants. Groundwater Newsletter (50). 28-31.

Lapworth, D.J.; Stolpe, B.; Gooddy, D.C.; Lead, J.R.. 2012 Characterising nanoparticles in sub-oxic environments. [Other] In: Interfaces against pollution, Nancy, France, 11-14 June 2012. 192. (Unpublished)

Stuart, Marianne; Lapworth, Dan. 2012 Emerging contaminants in groundwater: occurrence and risk assessment. [Lecture] In: Regulatory updates and new technologies for the cost effective assessment and remediation of water, London, 1 May 2012. London, Brownfield Briefing. (Unpublished)

Stuart, Marianne; Lapworth, Dan; Crane, Emily; Hart, Alwyn. 2012 Review of risk from potential emerging contaminants in UK groundwater. Science of the Total Environment, 416. 1-21. 10.1016/j.scitotenv.2011.11.072

MacDonald, Alan; Bonsor, Helen; O Dochartaigh, Brighid; Taylor, Richard; Calow, Roger; Maurice, Lou; Lapworth, Dan. 2012 Characterising groundwater resilience to climate change in Africa. [Lecture] In: 39th IAH Congress, Niagara, Canada, 16-21 Sept 2012. (Unpublished)

Lapworth, D.J.; Baran, N.; Stuart, M.E.; Ward, R.S.. 2012 Emerging organic contaminants in groundwater : a review of sources, fate and occurrence. Environmental Pollution, 163. 287-303. 10.1016/j.envpol.2011.12.034

Lapworth, Dan J.; Knights, Katherine V.; Key, Roger M.; Johnson, Christopher C.; Ayoade, Emmanuel; Adekanmi, Michael A.; Arisekola, Tunde M.; Okunlola, Olugbenga A.; Backman, Brigitta; Eklund, Mikael; Everett, Paul A.; Lister, Robert T.; Ridgway, John; Watts, Michael J.; Kemp, Simon J.; Pitfield, Peter E.J.. 2012 Geochemical mapping using stream sediments in west-central Nigeria : implications for environmental studies and mineral exploration in West Africa. Applied Geochemistry, 27 (6). 1035-1052. 10.1016/j.apgeochem.2012.02.023

Scheib, A.J.; Lapworth, D.J.; Pitfield, P.E.J.; Ralison, A.V.; Randriamananjara, T.; Rabarimanana, M.; Rafahatelo, J.-M.; Bejoma, M.. 2012 Geochemical signatures of stream sediments within the main geological domains and terranes of North and Central Madagascar. Transactions of the Institution of Mining and Metallurgy Section B Applied Earth Science, 120 (2). 97-110. 10.1179/1743275812Y.0000000001

MacDonald, A.M.; Hughes, A.G.; Auton, C.A.; Lapworth, D.J.; Mansour, M.M.; Vounaki, T.; Finlayson, A.; Graham, M.T.. 2012 Groundwater, flooding and superficial deposits in the Findhorn catchment. In: BHS 11th National Symposium, Hydrology for a Changing World, Dundee, Scotland, 2012.

Key, Roger M.; Johnson, Christopher C.; Horstwood, Matthew S.A.; Lapworth, Dan J.; Knights, Katherine V.; Kemp, Simon J.; Watts, Michael; Gillespie, Martin; Adekanmi, Michael; Arisekola, Tunde. 2012 Investigating high zircon concentrations in the fine fraction of stream sediments draining the Pan-African Dahomeyan Terrace in Nigeria. Applied Geochemistry, 27 (8). 1525-1539. 10.1016/j.apgeochem.2012.04.009

Lapworth, D.J.; MacDonald, A.M.; Bonsor, H.C.; Tijani, M.N; Calow, R.C.. 2012 Preliminary Results from a Water Economy and Livelihoods Survey (WELs) in Nigeria and Mali, Sub-Saharan Africa, investigating water security and access. In: Rausch, Randolf; Schuth, Christoph; Himmelsbach, Thomas, (eds.) Hydrogeology of arid environments. E. Schweizerbart'sche, 243, 1pp.

Lark, R.M.; Lapworth, D.J.. 2012 Quality measures for soil surveys by lognormal kriging. Geoderma, 173-17. 231-240. 10.1016/j.geoderma.2011.12.008

Maurice, L.; Palumbo-Roe, B.; Williams, A.T.; Banks, V.J.; Lapworth, D.J.. 2012 Tracer test feasibility assessment : Frongoch Mine tailings lagoon. British Geological Survey, 24pp. (OR/12/035) (Unpublished)

Granger, Steve J.; Heaton, Timothy; Bol, R.; Gooddy, Daren; Lapworth, Dan. 2012 The oxygen isotope composition of phosphate : a potential tool in U.K. freshwater studies? In: Development of Isotopic Tracers for a Better Understanding of the Phosphorus Cycle, Ascona, Switzerland, 24-29 June 2012. 62. (Unpublished)

Manamsa, Katya; Lapworth, Dan; Stuart, Marianne. 2011 Investigating organic micropollutants in a peri-urban flood plain aquifer. [Poster] In: Priority substances monitoring & occurrence in the environment: Future challenges for PBTs in surface & groundwaters, Dublin, Ireland, 20 Sept 2011. (Unpublished)

Stuart, Marianne; Lapworth, Dan. 2011 Emerging contaminants in groundwater: occurrence and risk assessment. [Lecture] In: Priority Substances Monitoring & Occurrence in the Environment. Future Challenges for PBTs in surface & groundwaters, Dublin, Ireland, 20 Sept 2011. (Unpublished)

Key, Roger M.; Johnson, Chris C.; Horstwood, Matthew S.A.; Lapworth, Daniel J.; Knights, Kate V.; Kemp, Simon J.; Adekanmi, Michael; Arisekola, Tunde; Everett, Paul. 2011 Investigating the high Zr values in the fine fraction of stream sediments in Nigeria. [Poster] In: 10th International Congress for Applied Mineralogy (ICAM), Trondheim, Norway, 1-5 Aug 2011. (Unpublished)

Lapworth, Dan; Stuart, Marianne; Hart, Alwyn; Crane, Emily; Baran, Nicole. 2011 Emerging contaminants in groundwater. [Lecture] In: Contaminated Land, contaminated groundwater?, London, UK, 24 May 2011. (Unpublished)

Lapworth, Dan; Key, Roger; Johnson, Christopher; Knights, Katherine. 2011 Geoscience skills in Nigeria. Planet Earth, Spring. 28.

Griffiths, Kate; Lapworth, Dan; Macdonald, David; Stuart, Marianne; Gooddy, Daren. 2011 Natural attenuation of anthropogenic groundwater pollution in a peri-urban floodplain setting. [Lecture] In: The Transport and Fate of Groundwater Contaminants, London, UK, 9 Feb 2011. Geological Society of London. (Unpublished)

Lapworth, D.J.; MacDonald, A.M.; Darling, W.G.; Gooddy, D.G.; Bonsor, H.C.. 2011 Forecasting the impact of climate change on water supplies using groundwater residence times. [Lecture] In: 23rd Colloquium of African Geology, Johannesburg, South Africa, 8-14 January 2011.

MacDonald, A.M.; Bonsor, H.C.; Calow, R.C.; Taylor, R.G.; Lapworth, D.J.; Maurice, L.; Tucker, J.; O Dochartaigh, B.E.. 2011 Groundwater resilience to climate change in Africa. British Geological Survey, 32pp. (OR/11/031) (Unpublished)

Knights, K.V.; Lapworth, D.J.; Key, R.M.; Johnson, C.C.; Adekanmi, M.A.; Arisekola, T.M.. 2011 Multi-element stream sediment geochemistry of south-western and central Nigeria. [Lecture] In: 23rd Colloquium of African Geology, Johannesburg, South Africa, 8-14 January 2011.

Stolpe, Bjorn; Lead, Jamie; Lapworth, Dan; Handley-Sidhu, Stephanie; Fabrega, Julia; Galloway, Tamara; Poole, Jessica; Whitby, Corrine; Colbeck, Ian. 2011 Multimethod characterisation of nanoparticles in the environment. Mineralogical Magazine, 75 (3). 1948.

Turner, Paul; Key, Roger; Johnson, Chris; Lapworth, Dan; Knights, Kate; Adekanmi, Micheal; Arisekola, Tunde. 2011 On-the-job training as a valuable development tool for African geoscientists. In: GeoSynthesis 2011, Cape Town, South Africa, 30 Aug - 2 Sept 2011. 172-173. (Unpublished)

Lapworth, D.J.; MacDonald, A.M.; Bonsor, H.; Tijani, M.N.; Calow, R.C.. 2011 Preliminary results from a Water Economy and Livelihoods Survey (WELS) in Nigeria and Mali, sub-Saharan Africa : investigating water security across a rainfall transect. British Geological Survey, 65pp. (OR/11/018) (Unpublished)

Lapworth, Dan; Knights, K.V.; Key, R.M.; Johnson, C.C.; Adekanmi, M.A.; Arisekola, T.M.. 2011 Technical assistance in Nigeria : developing geoscience skills for tomorrow. [Lecture] In: 23rd Colloquium of African Geology, Johannesburg, South Africa, 8-14 Jan 2011.

Lapworth, Dan J.; Gooddy, Daren C.; Jarvie, Helen P.. 2011 Understanding phosphorus mobility and bioavailability in the hyporheic zone of a chalk stream. Water, Air and Soil Pollution, 218 (1-4). 213-226. 10.1007/s11270-010-0636-1

Lapworth, Dan; MacDonald, Alan; Darling, George; Gooddy, Daren. 2011 Using residence time tracers to understand groundwater processes in shallow basement and sedimentary aquifers in Africa, new possibilities and potential limitations. [Lecture] In: EGU General Assembly 2011, Vienna, Austria, 3-8 April 2011. European Geosciences Union.

Stuart, M.E.; Lapworth, D.J.. 2011 A review of processes important in the floodplain setting. British Geological Survey, 32pp. (OR/11/030) (Unpublished)

Allen, D.J.; Darling, W.G.; Gooddy, D.C.; Lapworth, D.J.; Newell, A.J.; Williams, A.T.; Allen, D.; Abesser, C.. 2010 Interaction between groundwater, the hyporheic zone and a Chalk stream : a case study from the River Lambourn, UK. Hydrogeology Journal, 18 (5). 1125-1141. 10.1007/s10040-010-0592-2

Lapworth, D.J.; MacDonald, A.M.; Darling, W.G.; Gooddy, D.C.; Bonsor, H.C.. 2010 Case study note : groundwater residence times for rural groundwater supplies across different climate zones, West Africa. Nottingham, UK, British Geological Survey, 22pp. (IR/10/100) (Unpublished)

Lapworth, Dan; Gooddy, Daren; Jarvie, Helen. 2010 Regulation of bioavailable nutrients in the hyporheic zone of a Chalk stream in South East England. [Lecture] In: European Geosciences Union General Assembly 2010, Vienna, Austria, 2-7 May 2010. European Geosciences Union.

Lapworth, Dan; Butcher, Andrew; Williams, Peter; Gooddy, Daren. 2010 Tracing dissolved organic matter (DOM) sources within the unsaturated zone using fluorescence spectroscopy, an example from the glacial till in the Eden valley, Northwest England. [Lecture] In: European Geosciences Union General Assembly 2010, Vienna, Austria, 2-7 May 2010. European Geosciences Union.

Lapworth, D.J.; Gooddy, D.C.; Allen, D.; Old, G.H.. 2009 Understanding groundwater, surface water and hyporheic zone biogeochemical processes in a Chalk catchment using fluorescence properties of dissolved and colloidal organic matter. Journal of Geophysical Research, 114, G00F02. 10, pp. 10.1029/2009JG000921

Butcher, A.; Griffiths, K.; Lapworth, D.; Humpage, A.; Burke, S.. 2009 Investigation of rising nitrate concentrations in groundwater in the Eden Valley, Cumbria. 4, estimating recharge rates through glacial till using an applied tracer technique. British Geological Survey, 23pp. (OR/09/059) (Unpublished)

Tipping, Edward; Corbishley, Heather T.; Koprivnjak, Jean-Francois; Lapworth, Daniel J.; Miller, Matthew P.; Vincent, Colin D.; Hamilton-Taylor, John. 2009 Quantification of natural DOM from UV absorption at two wavelengths. Environmental Chemistry, 6 (6). 472-476. 10.1071/EN09090

Lapworth, Daniel Joseph; Kinniburgh, David. 2009 An R Script for Visualising and Analysing Fluorescence Excitation–Emission Matrices (EEMs). Computers and Geosciences, 35 (10). 2160-2163. 10.1016/j.cageo.2008.10.013

Lapworth, D.J.; Gooddy, D.C.; Allen, D.. 2008 Tracing Groundwater-Surface Water Processes in a Chalk Catchment Using Fluorescence Properties of Dissolved Organic Matter. [Poster] In: AGU Chapman Conference on Organic Matter Fluorescence, Birmingham, UK, 20-23 Oct 2008.

Lapworth, D. J.; Shand, P.; Abesser, C.; Darling, W. G.; Haria, A. H.; Evans, C. D.; Reynolds, B.. 2008 Groundwater nitrogen composition and transformation within a moorland catchment, mid-Wales. Science of the Total Environment, 390 (1). 241-254. 10.1016/j.scitotenv.2007.09.043

Smedley, Pauline; Cooper, David; Lapworth, Daniel Joseph; Ander, Louise. 2008 Molybdenum in British drinking water : a review of sources and occurrence and a reconnaissance survey of concentrations. Nottingham, UK, British Geological Survey, 41pp. (OR/08/051) (Unpublished)

Lapworth, Daniel Joseph; Gooddy, Daren; Butcher, Andrew; Morris, Brian. 2008 Tracing groundwater flow and sources of organic carbon in sandstone aquifers using fluorescence properties of dissolved organic matter (DOM). Applied Geochemistry, 23 (12). 3384-3390. 10.1016/j.apgeochem.2008.07.011

Lapworth, D.J.; Gooddy, D.C.; Stuart, M.E.; Harrison, I.; Chilton, P.J.. 2007 Pesticides and metabolites in groundwater: examples from two major UK aquifers. [Poster] In: International conference on water status monitoring of aquatic ecosystems in the context of the water framework directive (WFD), Lille, France, 12-14 March 2007.

Gooddy, Daren; Lapworth, Daniel Joseph; Harrison, Ian; Kim, Alexander; Mathias, Simon. 2007 Characterising pesticide residence and transport processes through dual porosity aquifers. [Lecture] In: EGU General Assembly 2007, Vienna, Austria, 15-20 April 2007. Geophysical Research Abstracts, Volume 9, European Geosciences Union.

Lapworth, D.J.; Gooddy, D.C.; Morris, B.L.; Butcher, A.. 2007 Investigating groundwater movement and pathogen transport in sandstone aquifers using intrinsic fluorescence spectroscopy. [Poster] In: Geological Society of London Bicentennial Conference, London, UK, 10-12 Sept 2007.

Lapworth, Daniel Joseph; Gooddy, Daren; Abesser, Corinna; Allen, David. 2007 Investigating groundwater-surface water processes in a Chalk catchment in South East England using fluorescence properties of dissolved organic matter. [Poster] In: EGU General Assembly 2008, Vienna, Austria, 14-18 April 2008. European Geosciences Union.

Gooddy, Daren; Mathais, S.A; Harrison, Ian; Lapworth, Daniel Joseph; Kim, A.W. 2007 The significance of colloids in the transport of pesticides through Chalk. Science of the Total Environment, 385. 262-271. 10.1016/j.scitotenv.2007.06.043

Lapworth, Daniel Joseph; Gooddy, Daren; Stuart, Marianne; Chilton, John; Cachandt, Gerd; Knapp, M; Bishop, S. 2006 Pesticides in groundwater : some observations on temporal and spatial trends. Water and Environment Journal, 20 (2). 55-64. 10.1111/j.1747-6593.2005.00007.x

Lapworth, D.J.; Gooddy, D.C.. 2006 Source and persistence of pesticides in a semi-confined chalk aquifer of southeast England. Environmental Pollution, 144 (3). 1031-1044. 10.1016/j.envpol.2005.12.055

Smedley, P.L.; Smith, B.; Abesser, C.; Lapworth, D.. 2006 Uranium occurrence and behaviour in British groundwater. British Geological Survey, 60pp. (CR/06/050N) (Unpublished)

Gooddy, Daren; Darling, George; Abesser, Corinna; Lapworth, Daniel Joseph. 2006 Using chlorofluorocarbons (CFCs) and sulphur hexafluoride (SF6) to characterise groundwater movement and residence time in a lowland Chalk catchment. Journal of Hydrology, 330 (1-2). 44-52. 10.1016/j.jhydrol.2006.04.011

Shand, P.; Abesser, Corinna; Farr, G.; Wilton, N.; Lapworth, Daniel Joseph; Gooddy, Daren; Haria, A.; Hargreaves, Rosemary. 2005 Baseline report series. 17, the Ordovician and Silurian meta-sedimentary aquifers of central and south-west Wales. Environment Agency, 46pp. (CR/05/034N)

Lapworth, Daniel Joseph; Gooddy, Daren; Harrison, Ian; Kim, Alexander; Vane, Christopher Howard. 2005 Colloidal phase transport of pesticides : a review with special reference to major UK aquifers. Nottingham, UK, British Geological Survey, 22pp. (IR/05/131) (Unpublished)

Gooddy, Daren; Stuart, Marianne; Lapworth, Daniel Joseph; Chilton, John; Bishop, S.; Cachandt, G.; Knapp, M.; Pearson, T.. 2005 Pesticide pollution of the Triassic Sandstone aquifer of South Yorkshire. Quarterly Journal of Engineering Geology and Hydrogeology, 38 (1). 53-63. 10.1144/1470-9236/04-012

Lapworth, Daniel Joseph; Gooddy, Daren; Harrison, Ian; Hookey, J. 2005 Pesticides and their metabolites in groundwater : diuron in the Isle of Thanet aquifer of southeast England. Nottingham, UK, British Geological Survey, 26pp. (IR/05/049) (Unpublished)

Lapworth, D.J.; Milne, C.J.. 2003 Kinetics of As reduction for analysis using hydride-generation. [Lecture] In: Perkin-Elmer ICP-OES User Group Meeting, Seer Green, UK, 2003. (Unpublished)

Gooddy, D.C.; Allen, D.; Hannay, S.; Harrison, I.; Lapworth, D.J.. 2003 The fate of diuron and its metabolites in calcareous sediments : second annual report. British Geological Survey, 23pp. (IR/03/029) (Unpublished)

Whitehead, P.G; Lapworth, Daniel Joseph; Skeffington, R.A; Wade, A. 2002 Excess nitrogen leaching and C/N decline in the Tillingbourne catchment, southern England : INCA process modelling for current and historic time series. Hydrology and Earth System Sciences, 6 (3). 455-466.

This list was generated on Mon Sep 1 17:38:28 2014 BST.