Items where NERC Author is "Williams, Richard"

Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Pallett, Denise W.; Schafer, Stefanie M. ORCID: https://orcid.org/0000-0002-8748-7725; Macrae, Merrin L.; Bowes, Michael J. ORCID: https://orcid.org/0000-0002-0673-1934; Farrand, Philip; Warwick, Alan C.; King, Stephen M.; Williams, Richard J. ORCID: https://orcid.org/0000-0002-9876-0491; Armstrong, Linda; Nicholls, David J.E.; Lord, William D.; Rylett, Daniel ORCID: https://orcid.org/0000-0002-7426-1153; Roberts, Colin; Fisher, Nigel. 2020 Biogeochemical and climate drivers of wetland phosphorus and nitrogen release: implications for nutrient legacies and eutrophication risk. Journal of Environmental Quality, 49 (6). 1703-1716. 10.1002/jeq2.20155

Brand, Anne-Fleur; Hynes, Juliet; Walker, Lee A. ORCID: https://orcid.org/0000-0002-1471-7075; Pereira, M. Gloria ORCID: https://orcid.org/0000-0003-3740-0019; Lawlor, Alan J.; Williams, Richard J.; Shore, Richard F.; Chadwick, Elizabeth A.. 2020 Biological and anthropogenic predictors of metal concentration in the Eurasian otter, a sentinel of freshwater ecosystems. Environmental Pollution, 266 (3), 115280. 9, pp. 10.1016/j.envpol.2020.115280

Strokal, Maryna; Spanier, J. Emiel; Kroeze, Carolien; Koelmans, Albert A.; Flörke, Martina; Franssen, Wietse; Hofstra, Nynke; Langan, Simon; Tang, Ting; van Vliet, Michelle T.H.; Wada, Yoshihide; Wang, Mengru; van Wijnen, Jikke; Williams, Richard. 2019 Global multi-pollutant modelling of water quality: scientific challenges and future directions [in special issue: Global water quality] Current Opinion in Environmental Sustainability, 36. 116-125. 10.1016/j.cosust.2018.11.004

van Vliet, Michelle T.H.; Flörke, Martina; Harrison, John A.; Hofstra, Nynke; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Ludwig, Fulco; Spanier, J. Emiel; Strokal, Maryna; Wada, Yoshihide; Wen, Yingrong; Williams, Richard J.. 2019 Model inter-comparison design for large-scale water quality models [in special issue: Environmental change assessment] Current Opinion in Environmental Sustainability, 36. 59-67. 10.1016/j.cosust.2018.10.013

Williams, Richard J.; Harrison, Samuel; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Kuenen, Jeroen; Lofts, Stephen ORCID: https://orcid.org/0000-0002-3627-851X; Praetorius, Antonia; Svendsen, Claus ORCID: https://orcid.org/0000-0001-7281-647X; Vermeulen, Lucie C.; van Wijnen, Jikke. 2019 Models for assessing engineered nanomaterial fate and behaviour in the aquatic environment. Current Opinion in Environmental Sustainability, 36. 105-115. 10.1016/j.cosust.2018.11.002

Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Sharpley, Andrew N.; Kresse, Timothy; Hays, Phillip D.; Williams, Richard J.; King, Stephen M.; Berry, Lawrence G.. 2018 Coupling high-frequency stream metabolism and nutrient monitoring to explore biogeochemical controls on downstream nitrate delivery. Environmental Science & Technology, 52 (23). 13708-13717. 10.1021/acs.est.8b03074

Quinn, Shannon E.; Dyer, Scott D.; Fan, Ming; Keller, Virginie D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard J.. 2018 Predicting risks from down-the-drain chemicals in a developing country: Mexico and linear alkylbenzene sulfonate as a case study. Environmental Toxicology and Chemistry, 37 (9). 2475-2486. 10.1002/etc.4181

Song, Yonghui; Xi, Beidou; Zhang, Yuan; Lei, Kun; Williams, Richard; Zhang, Mengheng; Kong, Weijing; Kolditz, Olaf, eds. 2018 Chinese water systems. Volume 1, Liaohe and Songhuajiang river basins. Cham, Springer, 398pp. (Terrestrial Environmental Sciences).

Song, Yonghui; Nixdorf, Erik; Xi, Beidou; Zhang, Yuan; Lei, Kun; Kong, Weijing; Zhang, Mengheng; Williams, Richard; Kolditz, Olaf. 2018 Introduction to the Sustain H2O project. In: Song, Yonghui; Xi, Beidou; Zhang, Yuan; Lei, Kun; Williams, Richard; Zhang, Mengheng; Kong, Weijing; Kolditz, Olaf, (eds.) Chinese water systems. Volume 1, Liaohe and Songhuajiang river basins. Cham, Springer, 1-7. (Terrestrial Environmental Sciences).

Lei, Kun; Tao, Ya; Kong, Weijing; Qiao, Fei; Zhou, Gang; Zhang, Yuan; Dend, Yixiang; Williams, Richard; Liu, Kexin; Wu, Jieyun. 2018 Management methods and demonstration on pollution load control of Song-Liao river basin. In: Song, Yonghui; Xi, Beidou; Zhang, Yuan; Lei, Kun; Williams, Richard; Zhang, Mengheng; Kong, Weijing; Kolditz, Olaf, (eds.) Chinese water systems. Volume 1, Liaohe and Songhuajiang river basins. Cham, Springer, 9-149. (Terrestrial Environmental Sciences).

Duan, Liang; Kong, Weijing; Gao, Xin; Fan, Juntao; Edwards, Francois; Williams, Richard; Song, Yonghui; Zhang, Yuan. 2018 River health assessment, ecological restoration and management system. In: Song, Yonghui; Xi, Beidou; Zhang, Yuan; Lei, Kun; Williams, Richard; Zhang, Mengheng; Kong, Weijing; Kolditz, Olaf, (eds.) Chinese water systems. Volume 1, Liaohe and Songhuajiang river basins. Cham, Springer, 151-272. (Terrestrial Environmental Sciences).

de Zwart, Dick; Adams, William; Burgos, Malyka Galay; Hollender, Juliane; Junghans, Marion; Merrington, Graham; Muir, Derek; Parkerton, Thomas; De Schamphelaere, Karel A.C.; Whale, Graham; Williams, Richard. 2018 Aquatic exposures of chemical mixtures in urban environments: approaches to impact assessment. Environmental Toxicology and Chemistry, 37 (3). 703-714. 10.1002/etc.3975

Bogush, Anna A.; Stegemann, Julia A.; Williams, Richard; Wood, Ian G.. 2018 Element speciation in UK biomass power plant residues based on composition, mineralogy, microstructure and leaching. Fuel, 211. 712-725. 10.1016/j.fuel.2017.09.103

Gu, Shuzhong; Jenkins, Alan; Gao, Shi-Ji; Lu, Yonglong; Li, Hong; Li, Yuanyuan; Ferrier, Robert C.; Bailey, Mark; Wang, Yiwen; Zhang, Yuan; Qi, Xuebin; Yu, Lili; Ding, Liuqian; Daniell, Tim; Williams, Richard; Hannaford, Jamie ORCID: https://orcid.org/0000-0002-5256-3310; Acreman, Mike; Kirk, Stuart; Liu, Hongxian; Liu, Zhengtao; Luo, Liangguo; Yan, Denghua; Liu, Xuejun; Yu, Fang; Wang, Dong; Zhang, Bing; Ding, Aizhong; Xie, Xiangrong; Liu, Jing; Ma, Chao; Jobson, Anita. 2017 Ensuring water resource security in China; the need for advances in evidence-based policy to support sustainable management. Environmental Science & Policy, 75. 65-69. 10.1016/j.envsci.2017.05.008

Horton, Alice A. ORCID: https://orcid.org/0000-0001-6058-6048; Svendsen, Claus ORCID: https://orcid.org/0000-0001-7281-647X; Williams, Richard J.; Spurgeon, David J. ORCID: https://orcid.org/0000-0003-3264-8760; Lahive, Elma. 2017 Large microplastic particles in sediments of tributaries of the River Thames, UK – abundance, sources and methods for effective quantification. Marine Pollution Bulletin, 114 (1). 218-226. 10.1016/j.marpolbul.2016.09.004

Hutchins, M.G. ORCID: https://orcid.org/0000-0003-3764-5331; Williams, R.J.; Prudhomme, C. ORCID: https://orcid.org/0000-0003-1722-2497; Bowes, M.J. ORCID: https://orcid.org/0000-0002-0673-1934; Brown, H.E.; Waylett, A.J.; Loewenthal, M.. 2016 Projections of future deterioration in UK river quality are hampered by climatic uncertainty under extreme conditions. Hydrological Sciences Journal, 61 (16). 10.1080/02626667.2016.1177186

Lofts, Stephen ORCID: https://orcid.org/0000-0002-3627-851X; Dumont, Egon; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Williams, Richard; Praetorius, Antonia; von der Kammer, Frank; Cornelis, Geert; Loureiro, Susana; van den Brink, Nico. 2016 A multimedia model for nanoparticle fate and biotic update in the environment. [Speech] In: International Society of Exposure Science 2016 Annual Meeting (ICES 2016), Utrecht, The Netherlands, 9-13 Oct 2016. (Unpublished)

Pottinger, Thomas G.; Matthiessen, Peter; James, J. Ben; Rhodes, Glenn ORCID: https://orcid.org/0000-0003-0488-3843; Williams, Richard J.. 2016 Chemical exposure and stress responses in UK fish - Part 2. Final report. NERC/Centre for Ecology & Hydrology, 84pp. (CEH Project no. C04734) (Unpublished)

Pottinger, Tom G.; Williams, Richard J.; Matthiessen, Peter. 2016 A comparison of two methods for the assessment of stress axis activity in wild fish in relation to wastewater effluent exposure. General and Comparative Endocrinology, 230-231. 29-37. 10.1016/j.ygcen.2016.03.022

Williams, Richard; Neal, Colin; Jarvie, Helen ORCID: https://orcid.org/0000-0002-4984-1607; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Whitehead, Paul; Bowes, Mike ORCID: https://orcid.org/0000-0002-0673-1934; Jenkins, Alan. 2015 Water quality. In: Rodda, John C.; Robinson, Mark, (eds.) Progress in modern hydrology: past, present and future. Chichester, Wiley Blackwell, 240-266.

Horton, Alice A. ORCID: https://orcid.org/0000-0001-6058-6048; Lahive, Elma; Svendsen, Claus ORCID: https://orcid.org/0000-0001-7281-647X; Williams, Richard J.; Read, Daniel S. ORCID: https://orcid.org/0000-0001-8546-5154; Spurgeon, David J. ORCID: https://orcid.org/0000-0003-3264-8760. 2015 Presence and abundance of microplastics in the Thames River Basin, UK. [Poster] In: SETAC Europe 25th Annual Meeting, Barcelona, 3-7 May 2015. Wallingford, UK, NERC/Centre for Ecology & Hydrology. (Unpublished)

Green, Christopher; Brian, Jayne; Kanda, Rakesh; Scholze, Martin; Williams, Richard; Jobling, Susan. 2015 Environmental concentrations of anti-androgenic pharmaceuticals do not impact sexual disruption in fish alone or in combination with steroid oestrogens. Aquatic Toxicology, 160. 117-127. 10.1016/j.aquatox.2014.12.022

Keller, V.D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Lloyd, P.; Terry, J.A.; Williams, R.J.. 2015 Impact of climate change and population growth on a risk assessment for endocrine disruption in fish due to steroid estrogens in England and Wales. Environmental Pollution, 197. 262-268. 10.1016/j.envpol.2014.11.017

Dumont, Egon; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Keller, Virginie D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Williams, Richard J.. 2015 Nano silver and nano zinc-oxide in surface waters - exposure estimation for Europe at high spatial and temporal resolution. Environmental Pollution, 196. 341-349. 10.1016/j.envpol.2014.10.022

Boxall, A.B.A.; Keller, V.D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Straub, J.O.; Monteiro, S.C.; Fussell, R.; Williams, R.J.. 2014 Exploiting monitoring data in environmental exposure modelling and risk assessment of pharmaceuticals. Environment International, 73. 176-185. 10.1016/j.envint.2014.07.018

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Lawlor, Alan J.; Cisowska, Iwona; Williams, Richard J.. 2014 Particulate and colloidal silver in sewage effluent and sludge discharged from British wastewater treatment plants. Chemosphere, 112. 49-55. 10.1016/j.chemosphere.2014.03.039

Booker, Victoria; Halsall, Crispin; Llewellyn, Neville; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard. 2014 Prioritising anticancer drugs for environmental monitoring and risk assessment purposes. Science of the Total Environment, 473-474. 159-170. 10.1016/j.scitotenv.2013.11.145

Keller, Virginie D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Williams, Richard J.; Lofthouse, Caryn; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764. 2014 Worldwide estimation of river concentrations of any chemical originating from sewage-treatment plants using dilution factors. Environmental Toxicology and Chemistry, 33 (2). 447-452. 10.1002/etc.2441

Hamilton, Patrick B.; Nicol, Elizabeth; De-Bastos, Eliane S.R.; Williams, Richard J.; Sumpter, John P.; Jobling, Susan; Stevens, Jamie R.; Tyler, Charles R.. 2014 Populations of a cyprinid fish are self-sustaining despite widespread feminization of males. BMC Biology, 12, 1. 13, pp. 10.1186/1741-7007-12-1

Lambert, Scott; Johnson, Catherine; Keller, Virginie D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Sinclair, Chris J.; Williams, Richard J.; Boxall, Alistair B.A.. 2013 Do natural rubber latex condoms pose a risk to aquatic systems? Environmental Science: Processes & Impacts, 15 (12). 2312-2320. 10.1039/c3em00422h

Reder, K.; Barlund, I.; Voss, A.; Kynast, E.; Williams, R.; Malve, O; Florke, M. 2013 European scenario studies on future in-stream nutrient concentrations. Transactions of the ASABE, 56 (6). 1407-1417. 10.13031/trans.56.9961

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Dumont, Egon; Williams, Richard J.; Oldenkamp, Rik; Cisowska, Iwona; Sumpter, John P.. 2013 Do concentrations of ethinylestradiol, estradiol and diclofenac in European rivers exceed proposed EU environmental quality standards? Environmental Science & Technology, 47 (21). 12297-12304. 10.1021/es4030035

Hutchins, Mike ORCID: https://orcid.org/0000-0003-3764-5331; Elliott, Alex; Caillouet, L.; Williams, Richard. 2013 Understanding the effects of climate change on water quality: a case-study assessment on rivers and lakes in England (WT0972). Final report 31st January 2013. NERC/Centre for Ecology & Hydrology, 29pp. (CEH Project no. C04523, Defra Contract WT0972)

Williams, Richard. 2013 Calculation of lake concentrations for TQEC 2 Emissions Phase 1: a profile report for DNV Ltd. Wallingford, NERC/Centre for Ecology & Hydrology, 16pp. (CEH Project Number: C04729) (Unpublished)

Williams, Richard. 2013 Calculation of lake concentrations for TQEC 3 Emissions Phase 1: a profile report for DNV Ltd. Wallingford, NERC/Centre for Ecology & Hydrology, 16pp. (CEH Project Number: C04729) (Unpublished)

Williams, Richard. 2013 Calculation of lake concentrations for TQEC 4 Emissions Phase 1 - rerun: a profile report for DNV Ltd. Wallingford, NERC/Centre for Ecology & Hydrology, 16pp. (CEH Project Number: C04729) (Unpublished)

Williams, Richard. 2013 Calculation of lake concentrations for TQEC 4 Emissions Phase 1: a profile report for Cambridge Environmental Research Consultants. Wallingford, NERC/Centre for Ecology & Hydrology, 15pp. (CEH Project Number: C04726) (Unpublished)

Keller, V.D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Lloyd, P.; Williams, R.J.. 2013 Impact of climate change on a risk assessment for intersex in fish due to steroid estrogens. In: SETAC Europe 23rd Annual Meeting, Glasgow, UK, 12-16 May 2013. (Unpublished)

Green, Christopher; Williams, Richard; Kanda, Rakesh; Churchley, John; He, Ying; Thomas, Shaun; Goonan, Peter; Kumar, Anu; Jobling, Susan. 2013 Modeling of steroid estrogen contamination in UK and South Australian rivers predicts modest increases in concentrations in the future. Environmental Science & Technology, 47 (13). 7224-7232. 10.1021/es3051058

Pottinger, Tom G.; Henrys, Peter A. ORCID: https://orcid.org/0000-0003-4758-1482; Williams, Richard J.; Matthiessen, Peter. 2013 The stress response of three-spined sticklebacks is modified in proportion to effluent exposure downstream of wastewater treatment works. Aquatic Toxicology, 126. 382-392. 10.1016/j.aquatox.2012.09.002

Williams, Richard; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Voss, Anja; Barlund, Ilona; Malve, Olli; Riihimaki, Juha; Tattari, Sirkka; Alcamo, Joseph. 2012 Assessment of current water pollution loads in Europe: estimation of gridded loads for use in global water quality models. Hydrological Processes, 26 (16). 2395-2410. 10.1002/hyp.9427

Pottinger, Tom G.; Henrys, Peter A. ORCID: https://orcid.org/0000-0003-4758-1482; Williams, Richard J.; Matthiessen, Peter. 2012 Chemical exposure and stress responses in UK fish. Defra, 42pp. (CEH Project Number: C04329)

Williams, Richard J.; Churchley, John H.; Kanda, Rakesh; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764. 2012 Comparing predicted against measured steroid estrogen concentrations and the associated risk in two United Kingdom river catchments. Environmental Toxicology and Chemistry, 31 (4). 892-898. 10.1002/etc.1756

Voss, Anja; Alcamo, Joseph; Barlund, Ilona; Voss, Frank; Kynast, Ellen; Williams, Richard; Malve, Olli. 2012 Continental scale modelling of in-stream river water quality: a report on methodology, test runs, and scenario application. Hydrological Processes, 26 (16). 2370-2384. 10.1002/hyp.9445

Voss, Anja; Barlund, Ilona; Punzet, Manuel; Williams, Richard; Kynast, Ellen; Malve, Olli; Voss, Frank. 2012 Effect of changing anthropogenic and climate conditions on BOD loading and in-stream water quality in Europe. In: Bogardi, Janos J.; Leentvaar, Jan; Nachtnebel, Hans-Peter, (eds.) River basins and change. Bonn, GWSP International Project Office, 116-121.

Anderson, Paul D.; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Pfeiffer, Danielle; Caldwell, Daniel J.; Hannah, Robert; Mastrocco, Frank; Sumpter, John P.; Williams, Richard J.. 2012 Endocrine disruption due to estrogens derived from humans predicted to be low in the majority of U.S. surface waters. Environmental Toxicology and Chemistry, 31 (6). 1407-1415. 10.1002/etc.1824

Whelan, M.J.; Hodges, J.E.N.; Williams, R.J.; Keller, V.D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Price, O.R.; Li, M.. 2012 Estimating surface water concentrations of “down-the-drain” chemicals in China using a global model. Environmental Pollution, 165. 233-240. 10.1016/j.envpol.2011.10.035

Malve, Olli; Tattari, Sirkka; Riihimarki, Juha; Jaakkola, Elina; Voss, Anja; Williams, Richard; Baerlund, Ilona. 2012 Estimation of diffuse pollution loads in Europe for continental scale modelling of loads and in-stream river water quality. Hydrological Processes, 26 (16). 2385-2394. 10.1002/hyp.9344

Wade, A.J.; Palmer-Felgate, E.J.; Halliday, S.J.; Skeffington, R.A.; Lowenthal, M.; Jarvie, H.P. ORCID: https://orcid.org/0000-0002-4984-1607; Bowes, M.J. ORCID: https://orcid.org/0000-0002-0673-1934; Greenaway, G.M; Haswell, S.J.; Bell, I.M; Joly, E.; Fallatah, A.; Neal, C.; Williams, R.J.; Gozzard, E.; Newman, J.R.. 2012 Hydrochemical processes in lowland rivers: insights from in situ, high-resolution monitoring. Hydrology and Earth System Sciences, 16 (11). 4323-4342. 10.5194/hess-16-4323-2012

Williams, Richard J.; Boorman, David B. ORCID: https://orcid.org/0000-0002-6436-5266. 2012 Modelling in-stream temperature and dissolved oxygen at sub-daily time steps: an application to the River Kennet, UK. Science of the Total Environment, 423. 104-110. 10.1016/j.scitotenv.2012.01.054

Dumont, Egon; Williams, Richard; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Voss, Anja; Tattari, Sirkka. 2012 Modelling indicators of water security, water pollution and aquatic biodiversity in Europe. Hydrological Sciences Journal, 57 (7). 1378-1403. 10.1080/02626667.2012.715747

Kugathas, Subramaniam; Williams, Richard J.; Sumpter, John P.. 2012 Prediction of environmental concentrations of glucocorticoids: the River Thames, UK, as an example. Environmental International, 40. 15-23. 10.1016/j.envint.2011.11.007

Green, Christopher; Williams, Richard; He, Ying; Thomas, Shaun; Dinesh, Nirmala; Kanda, Rakesh; Churchley, John; Kumar, Anu; Jobling, Susan. 2012 Predictive modelling of steroid oestrogens in sewage effluent and rivers demonstrates the potential for endocrine disruptive effects in wild fish populations in South Australia. [Poster] In: 6th SETAC World Congress, Berlin, 20-24 May 2012.

Boxall, Alistair B.A.; Monteiro, Sara C.; Fussell, Richard; Williams, Richard J.; Bruemer, Janine; Greenwood, Richard; Bersuder, Phillipe. 2012 Targeted monitoring for human pharmaceuticals in vulnerable source and final waters. London, Drinking Water Inspectorate, 70pp. (DWI 70/2/231)

Artigas, Joan; Arts, Gertie; Babut, Marc; Caracciolo, Anna Barra; Charles, Sandrine; Chaumot, Arnaud; Combourieu, Bruno; Dahllöf, Ingela; Despréaux, Denis; Ferrari, Benoit; Friberg, Nikolai; Garric, Jeanne; Geffard, Olivier; Gourlay-Francé, Catherine; Hein, Michaela; Hjorth, Morten; Krauss, Martin; De Lange, Hendrika J.; Lahr, Joost; Lehtonen, Kari K.; Lettieri, Teresa; Liess, Matthias; Lofts, Stephen ORCID: https://orcid.org/0000-0002-3627-851X; Mayer, Philipp; Morin, Soizic; Paschke, Albrecht; Svendsen, Claus ORCID: https://orcid.org/0000-0001-7281-647X; Usseglio-Polatera, Philippe; van den Brink, Nico; Vindimian, Eric; Williams, Richard. 2012 Towards a renewed research agenda in ecotoxicology. Environmental Pollution, 160. 201-206. 10.1016/j.envpol.2011.08.011

Keller, V.D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Johnson, A.C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, R.J.. 2012 A global assessment of the temporal and spatial variability of national dilution factors. [Speech] In: 6th SETAC World Congress / SETAC Europe 22nd Annual Meeting, Berlin, 20-24 May 2012. (Unpublished)

Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764. 2011 Case Study Assessment of Potential Concentrations of Selected Amines, Nitramines and Nitrosoamines in Drinking Water as a result of deposition from air. NERC/Centre for Ecology & Hydrology, 50pp. (CEH Project Number: C04366) (Unpublished)

Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764. 2011 Preliminary screening assessment of potential amine contaminants of catchments draining to lakes used for drinking water using the EQC Model. NERC/Centre for Ecology & Hydrology, 12pp. (CEH Project Number: C04366) (Unpublished)

Maes, Joachim; Braat, Leon; Jax, Kurt; Hutchins, Mike ORCID: https://orcid.org/0000-0003-3764-5331; Furman, Eeva; Termansen, Mette; Lucque, Sandra; Paracchini, Maria Luisa; Chauvin, Christophe; Williams, Richard; Volk, Martin; Lautenbach, Sven; Kopperoinen, Leena; Schelhaas, Mart-Jan; Weinert, Jens; Goossen, Martin; Dumont, Egon; Strauch, Michael; Gorg, Christoph; Dormann, Carsten; Katwinkel, Mira; Zulian, Grazia; Varjopuro, Riku; Hauck, Jennifer; Forsius, Martin; Hengeveld, Geerten; Perez-Soba, Marta; Bouraoui, Faycal; Scholz, Mathias; Schilz-Zunkel, Christiane; Lepisto, Ahti; Polishchuk, Yuliana; Bidoglio, Giovanni. 2011 A spatial assessment of ecosystem services in Europe: methods, case studies and policy analysis - phase 1. Ispra, Partnership for European Environmental Research. (PEER Report No.3)

Singer, Andrew C. ORCID: https://orcid.org/0000-0003-4705-6063; Colizza, Vittoria; Schmitt, Heike; Andrews, Johanna; Balcan, Duygu; Huang, Wei E.; Keller, Virginie D.J. ORCID: https://orcid.org/0000-0003-4489-5363; Vespignani, Alessandro; Williams, Richard J.. 2011 Assessing the ecotoxicologic hazards of a pandemic influenza medical response. Environmental Health Perspectives, 119 (8). 1084-1090. 10.1289/ehp.1002757

Janna, Hussein; Scrimshaw, Mark D.; Williams, Richard J.; Churchley, John; Sumpter, John P.. 2011 From Dishwasher to Tap? Xenobiotic Substances Benzotriazole and Tolyltriazole in the Environment. Environmental Science & Technology, 45 (9). 3858-3864. 10.1021/es103267g

Palmer-Felgate, Elizabeth J.; Mortimer, Robert J.G.; Krom, Michael D.; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Williams, Richard J.; Spraggs, Rachael E.; Stratford, Charlie J. ORCID: https://orcid.org/0000-0003-3867-5807. 2011 Internal loading of phosphorus in a sedimentation pond of a treatment wetland: Effect of a phytoplankton crash. Science of the Total Environment, 409 (11). 2222-2232. 10.1016/j.scitotenv.2011.02.034

Clerici, Santiago, J; Palmer-Felgate, Elizabeth J.; Mortimer, Robert J.G.; Krom, Michael D.; Jarvie, Helen P ORCID: https://orcid.org/0000-0002-4984-1607; Williams, Richard J.; Spraggs, Rachel E.; Stratford, Charlie J. ORCID: https://orcid.org/0000-0003-3867-5807. 2011 Response to Letter to the Editor "Aerobic phosphorus release from shallow lake sediments". Science of the Total Environment, 409 (21). 4642-4643. 10.1016/j.scitotenv.2011.07.031

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Bowes, Michael J. ORCID: https://orcid.org/0000-0002-0673-1934; Crossley, Alison; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Jurkschat, Kerstin; Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Lawlor, Alan J.; Park, Barry; Rowland, Philip; Spurgeon, David ORCID: https://orcid.org/0000-0003-3264-8760; Svendsen, Claus ORCID: https://orcid.org/0000-0001-7281-647X; Thompson, Ian P.; Barnes, Robert J.; Williams, Richard J.; Xu, Nan. 2011 An assessment of the fate, behaviour and environmental risk associated with sunscreen TiO2 nanoparticles in UK field scenarios. Science of the Total Environment, 409 (13). 2503-2517. 10.1016/j.scitotenv.2011.03.040

Beyond the Basics Ltd. 2011 A device for predicting the effects of pollution in aqueous environments (GB 2448682). UK, Patent No: .

Singer, Andrew ORCID: https://orcid.org/0000-0003-4705-6063. 2010 How influenza pandemic control can lead to unpreparedness: modelling the ecotoxicity of pharmaceutical usage. [Other] In: Society of Environmental Toxicology and Chemistry, North America 31st Annual Meeting, Portland, Oregon, USA, 7-11 November 2010. (Unpublished)

Dumont, Egon; Williams, Richard; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Folwell, Sonja. 2010 Modelling water scarcity across Europe in terms of water quantity and quality. In: Proceedings of the British Hydrological Society’s Third International Symposium, ‘Role of Hydrology in Managing the Consequences of a Changing Global Environment’, Newcastle University, Newcastle upon Tyne, 19-23 July 2010. British Hydrological Society.

Singer, Andrew ORCID: https://orcid.org/0000-0003-4705-6063. 2010 How influenza pandemic control can lead to unpreparedness: modelling the ecotoxicity of pharmaceutical usage. [Other] In: Influenza 2010: Zoonotic Influenza and Human Health, Oxford, UK, 21-23 September 2010. (Unpublished)

Singer, Andrew C. ORCID: https://orcid.org/0000-0003-4705-6063. 2010 Ecotoxicity Risks during influenza pandemic. [Other] In: European Conference on Complex Systems, Lisbon, Portugal, 13-17 September 2010. (Unpublished)

Price, Oliver R.; Williams, Richard J.; van Egmond, Roger; Wilkinson, Mark J.; Whelan, Michael J.. 2010 Predicting accurate and ecologically relevant regional scale concentrations of triclosan in rivers for use in higher-tier aquatic risk assessments. Environment International, 36 (6). 521-526. 10.1016/j.envint.2010.04.003

Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Williams, Richard. 2010 Modelling Decamethylcyclopentasiloxane (D5) in the Humber estuary using LF2000-WQX. NERC/Centre for Ecology and Hydrology, 45pp.

Neal, Colin; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Williams, Richard; Love, Alison; Neal, Margaret; Wickham, Heather; Harman, Sarah; Armstrong, Linda. 2010 Declines in phosphorus concentration in the upper River Thames (UK): Links to sewage effluent cleanup and extended end member mixing analysis. Science of the Total Environment, 408 (6). 1315-1330. 10.1016/j.scitotenv.2009.10.055

Neal, Colin; Williams, Richard J.; Bowes, Michael J. ORCID: https://orcid.org/0000-0002-0673-1934; Harrass, Michael C.; Neal, Margaret; Rowland, Philip; Wickham, Heather; Thacker, Sarah; Harman, Sarah; Vincent, Colin; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607. 2010 Decreasing boron concentrations in UK rivers: Insights into reductions in detergent formulations since the 1990s and within-catchment storage issues. Science of the Total Environment, 408 (6). 1374-1385. 10.1016/j.scitotenv.2009.10.074

Price, Oliver R.; Williams, Richard J.; Zhang, Zhong; van Egmond, Roger. 2010 Modelling concentrations of decamethylcyclopentasiloxane in two UK rivers using LF2000-WQX. Environmental Pollution, 158 (2). 356-360. 10.1016/j.envpol.2009.09.013

Williams, Richard; Voss, Anja; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Baerlund, Ilona; Malve, Olli; Voss, Frank. 2010 Continental Scale Modelling of Water Quality in Rivers. In: Slack, R.; Bowman, S., (eds.) Water Quality 2010: Proceedings of the Conference. Leeds, UK, University of Leeds, 13-14.

Boxall, Alistair; Hardy, Anthony; Beulke, Sabine; Boucard, Tatiana; Burgin, Laura; Falloon, Peter; Haygarth, Philip; Hutchinson, Thomas; Kovats, Sari; Leonardi, Giovanni; Levy, Leonard; Nichols, Gordon; Parsons, Simon; Potts, Laura; Stone, David; Topp, Edward; Turley, David; Walsh, Kerry; Wellington, Elizabeth; Williams, Richard. 2010 Impacts of climate change on indirect human exposure to pathogens and chemicals from agriculture. Ciência & Saúde Coletiva, 15. 743-756. 10.1590/S1413-81232010000300017

Dumont, Egon; Williams, Richard; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Folwell, Sonja. 2010 Modelling water scarcity across Europe in terms of water quantity and quality. In: Global change: Facing Risks and Threats to Water Resources. International Association of Hydrological Sciences, 229-235. (IAHS Publication, 340).

Balaam, Jan L.; Grover, Darren; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Juergens, Monika ORCID: https://orcid.org/0000-0002-6526-589X; Readman, James; Smith, Andy J.; White, Stefan; Williams, Richard; Zhou, John L.. 2010 The use of modelling to predict levels of estrogens in a river catchment: How does modelled data compare with chemical analysis and in vitro yeast assay results? Science of the Total Environment, 408 (20). 4826-4832. 10.1016/j.scitotenv.2010.07.019

Rowney, Nicole C.; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard J.. 2009 Cytotoxic drugs in drinking water: a prediction and risk assessment exercise for the Thames catchment in the United Kingdom. Environmental Toxicology and Chemistry, 28 (12). 2733-2743. 10.1897/09-067.1

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Acreman, Mike C.; Dunbar, Michael J.; Feist, Stephen W.; Giacomello, Anna Maria; Gozlan, Rodolphe E.; Hinsley, Shelley A.; Ibbotson, Anton T.; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Jones, J. Iwan; Longshaw, Matt; Maberly, Stephen C. ORCID: https://orcid.org/0000-0003-3541-5903; Marsh, Terry J. ORCID: https://orcid.org/0000-0003-1131-0891; Neal, Colin; Newman, Jonathan R.; Nunn, Miles A.; Pickup, Roger W.; Reynard, Nick S. ORCID: https://orcid.org/0000-0002-5185-3869; Sullivan, Caroline A.; Sumpter, John P.; Williams, Richard J.. 2009 The British river of the future: How climate change and human activity might affect two contrasting river ecosystems in England. Science of the Total Environment, 407 (17). 4787-4798. 10.1016/j.scitotenv.2009.05.018

Price, Oliver R.; Williams, Richard J.; Zhang, Zhong; van Egmond, Roger. 2009 Spatially explicit river catchment modelling of decamethylcyclopentasiloxane. [Poster] In: SETAC Europe 19th Annual Meeting. Protecting ecosystem health: facing the challenge of a globally changing environment, Gothenburg, Sweden, 31 May - 4 June 2009. Brussels, Society of Environmental Toxicology and Chemistry.

Jobling, Susan; Burn, Robert W.; Thorpe, Karen; Williams, Richard; Tyler, Charles. 2009 Statistical Modeling Suggests that Antiandrogens in Effluents from Wastewater Treatment Works Contribute to Widespread Sexual Disruption in Fish Living in English Rivers. Environmental Health Perspectives, 117 (5). 797-802. 10.1289/ehp.0800197

Boxall, Alistair B. A.; Hardy, Anthony; Buelke, Sabine; Boucard, Tatiana; Burgin, Laura; Falloon, Peter D.; Haygarth, Philip M.; Hutchinson, Thomas; Kovats, R. Sari; Leonardi, Giovanni; Levy, Leonard S.; Nichols, Gordon; Parsons, Simon A.; Potts, Laura; Stone, David; Topp, Edward; Turley, David B.; Walsh, Kerry; Wellington, Elizabeth M. H.; Williams, Richard J.. 2009 Impacts of Climate Change on Indirect Human Exposure to Pathogens and Chemicals from Agriculture. Environmental Health Perspectives, 117 (4). 508-514. 10.1289/ehp.0800084

Williams, Richard; Zhang, Zhong; Price, Oliver. 2009 Catchment Modelling using LF2000-WQX: Model validation and National Assessment of Concentrations for LAS, triclosan and methyltriclosan. NERC/Centre for Ecology and Hydrology, 63pp.

Williams, Richard; Zhang, Zhong; Price, Oliver. 2009 Catchment modelling using LF2000-WQX for Decamethylcyclopentasiloxane (D5) – A sensitivity analysis. NERC/Centre for Ecology and Hydrology, 22pp.

Williams, Richard J.; Keller, Virginie D. J. ORCID: https://orcid.org/0000-0003-4489-5363; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Young, Andrew R.; Holmes, Matthew G. R.; Wells, Claire; Gross-Sorokin, Melanie; Benstead, Rachel. 2009 A national risk assessment for intersex in fish arising from steroid estrogens. Environmental Toxicology and Chemistry, 28 (1). 220-230. 10.1897/08-047.1

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Ternes, Thomas; Williams, Richard J.; Sumpter, John P.. 2008 Assessing the Concentrations of Polar Organic Microcontaminants from Point Sources in the Aquatic Environment: Measure or Model? Environmental Science & Technology, 42 (15). 5390-5399. 10.1021/es703091r

Williams, R. J.; Johnson, A. C. ORCID: https://orcid.org/0000-0003-1570-3764; Keller, V. D. J. ORCID: https://orcid.org/0000-0003-4489-5363; Young, A. R.; Holmes, M. G. R.; Wells, C.; Gross-Sorokin, M.; Benstead, R.. 2008 A national, GIS-based risk assessment for intersex in fish arising from steroid oestrogens – England and Wales. In: SETAC Europe 18th Annual Meeting, Warsaw, 25-29th May 2008. Society of Environmental Toxicology and Chemistry.

Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Young, Andrew; Holmes, Matthew; Wells, Clare. 2008 Catchment Risk Assessment of Steroid Oestrogens from Sewage Treatment Works. Bristol, UK, Environment Agency, 167pp. (CEH Project Number: C02996, Science Report: SC030275/SR3)

Jones, John Iwan; Davy-Bowker, John; Murphy, John; Keller, Virginie ORCID: https://orcid.org/0000-0003-4489-5363; Williams, Richard; Davies, Cynthia. 2008 Review of the evidence for organic pollution thresholds to protect rivers with special designations for wildlife. NERC/Centre for Ecology & Hydrology, 213pp. (CEH Report Number: C03400/2008/1) (Unpublished)

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Williams, Richard J.; Kuemmerer, Klaus; Kortenkamp, Andreas; Sumpter, John P.. 2008 Do cytotoxic chemotherapy drugs discharged into rivers pose a risk to the environment and human health? An overview and UK case study. Journal of Hydrology, 348 (1-2). 167-175. 10.1016/j.jhydrol.2007.09.054

Palmer-Felgate, Elizabeth J.; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Williams, Richard J.; Mortimer, Robert J.G.; Loewenthal, Matthew; Neal, Colin. 2008 Phosphorus dynamics and productivity in sewage-impacted lowland chalk stream. Journal of Hydrology, 351 (1-2). 87-97. 10.1016/j.jhydrol.2007.11.036

Sutton, Elizabeth J.; Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Williams, Richard J.. 2007 Continuous monitoring to assess phosphorus dynamics and ecological status in the River Kennet, UK. In: Heckrath, Goswin; Rubaek, Gitte H.; Kronvang, Brian, (eds.) Diffuse Phosphorus Loss. Risk assessment, mitigation options and ecological effects in river basins. Aarhus, Denmark, National Environment Research Institute, University of Aarhus, 59-61, 3pp. (DJF Plant Science, 130).

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard J.; Simpson, Pete; Kanda, Rakesh. 2007 What difference might sewage treatment performance make to endocrine disruption in rivers? Environmental Pollution, 147. 194-202. 10.1016/j.envpol.2006.08.032

Boorman, D. B. ORCID: https://orcid.org/0000-0002-6436-5266; Williams, R. J.; Hutchins, M. G. ORCID: https://orcid.org/0000-0003-3764-5331; Penning, E.; Groot, S.; Icke, J.. 2007 A model selection protocol to support the use of models for water management. Hydrology and Earth System Sciences, 11 (1). 634-646.

Johnson, A. C. ORCID: https://orcid.org/0000-0003-1570-3764; Keller, V. ORCID: https://orcid.org/0000-0003-4489-5363; Williams, R. J.; Young, A.. 2007 A practical demonstration in modelling diclofenac and propranolol river water concentrations using a GIS hydrology model in a rural UK catchment. Environmental Pollution, 146 (1). 155-165. 10.1016/j.envpol.2006.05.037

Williams, Richard; Newman, Jonathan. 2006 The Taw River Catchment and Estuary: A case study for the effects of NVZ measures Part 1 – The Freshwater Catchment (Draft). NERC/Cente for Ecology and Hydrology, 20pp. (Defra contract NIT 18, Investigating the Effectiveness of NVZ Action Programme) (Unpublished)

Adams, B.; Peach, D.; Bennion, H.; Williams, R.. 2006 Achieving sustainable catchment management : developing integrated approaches and tools to inform future policies. Work package 1, characterising the resource base. British Geological Survey, 22pp. (CR/06/095N) (Unpublished)

Deflandre, A.; Williams, R. J.; Elorza, F. J.; Mira, J.; Boorman, D. B. ORCID: https://orcid.org/0000-0002-6436-5266. 2006 Analysis of the QUESTOR water quality model using a Fourier amplitude sensitivity test (FAST) for two UK rivers. Science of the Total Environment, 360. 290-304. 10.1016/j.scitotenv.2005.08.041

Bloomfield, J.P. ORCID: https://orcid.org/0000-0002-5730-1723; Williams, R.J.; Gooddy, D.C.; Cape, J.N.; Guha, P.. 2006 Impacts of climate change on the fate and behaviour of pesticides in surface and groundwater : a UK perspective. Science of the Total Environment, 369 (1-3). 163-177. 10.1016/j.scitotenv.2006.05.019

Sumpter, John P.; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard J; Kortenkamp, Andreas; Scholz, Martin. 2006 Modelling effects of mixtures of endocrine disrupting chemicals at the river catchment scale. Environmental Science & Technology, 40. 5478-5489. 10.1021/es052554d

Jobling, Susan; Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Taylor, Ayesha; Gross-Sorokin, Melanie; Nolan, Monique; Tyler, Charles R; van Aerie, Ronny; Santos, Eduarda; Brighty, Geoff. 2006 Predicted exposures to steroid estrogens in U.K. rivers correlate with widespread sexual distruption in wild fish populations. Environmental Health Perspectives, 114 (S-1). 32-39. 10.1289/ehp.8050

Johnson, A. C. ORCID: https://orcid.org/0000-0003-1570-3764; Williams, R. J.; Matthiessen, P.. 2006 The potential steroid hormone contribution of farm animals to freshwaters, the United Kingdom as a case study. Science of the Total Environment, 362 (1-3). 166-178. 10.1016/j.scitotenv.2005.06.014

Williams, R.; Bennion, H.; Reynolds, B.; May, L. ORCID: https://orcid.org/0000-0003-3385-9973. 2005 Achieving sustainable catchment management : developing integrated approaches and tools to inform future policies. Work package 2, ecological resource characterisation. NERC Centre for Ecology & Hydrology, 21pp. (CEH Project no. C02638) (Unpublished)

Matthiessen, Peter; Arnold, David; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Pepper, Tim; Pottinger, Tom G.; Pulman, Kim G. T.; Williams, Richard. 2005 Identifying the risk to the aquatic environment of endocrine disrupters derived from agriculture. Defra, 67pp. (CEH Project no: C02581) (Unpublished)

Chilton, John; Stuart, Marianne; Gooddy, Daren; Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764. 2005 Pesticide fate and behaviour in the UK Chalk aquifer, and implications for groundwater quality. Quarterly Journal of Engineering Geology and Hydrogeology, 38 (1). 65-81. 10.1144/1470-9236/04-014

Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Williams, Richard J.; Neal, Colin; Davies, Jennifer J.L.; Barrett, Cyril; White, John. 2005 Role of river bed sediments as sources and sinks of phosphorus across two major eutrophic UK river basins: the Hampshire Avon and Herefordshire Wye. Journal of Hydrology, 304 (1-4). 51-74. 10.1016/j.jhydrol.2004.10.002

Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Holthaus, Karlijn I. E.; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Smith, Jennifer J. L.; Hetheridge, Malcolm; Williams, Richard J.. 2002 The potential for estradiol and ethinylestradiol degradation in English rivers. Environmental Toxicology and Chemistry, 21 (3). 480-488. 10.1897/1551-5028(2002)021<0480:TPFEAE>2.0.CO;2

Jarvie, Helen P. ORCID: https://orcid.org/0000-0002-4984-1607; Neal, Colin; Williams, Richard J.. 2002 Monitoring and managing water quality in lowland permeable catchments: a case study of the upper Thames Basin, UK. [Speech] In: Terrestrial biogeochemical responses to global change into the 21st Century. BIOGEOMON 2002 - 4th International Symposium on Ecosystem Behaviour, University of Reading, Reading, UK, 17-21 August 2002. (Unpublished)

Chilton, John; Stuart, Marianne; Gooddy, Daren; Williams, Richard; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Haria, Atul. 2002 Transport and fate of pesticides in the Chalk aquifer of southern England. Keyworth, Nottingham, British Geological Survey, 27pp. (RR/02/004)

Holthaus, Karlijn I.E.; Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Juergens, Monika D. ORCID: https://orcid.org/0000-0002-6526-589X; Williams, Richard J.; Smith, Jennifer J.L.; Carter, Joy E.. 2002 The potential for estradiol and ethinylestradiol to sorb to suspended and bed sediments in some English rivers. Environmental Toxicology and Chemistry, 21 (12). 2526-2535. 10.1002/etc.5620211202

Gooddy, Daren; Bloomfield, John ORCID: https://orcid.org/0000-0002-5730-1723; Chilton, John; Johnson, Andrew ORCID: https://orcid.org/0000-0003-1570-3764; Williams, Richard. 2001 Assessing herbicide concentrations in the saturated and unsaturated zone of a Chalk Aquifer in Southern England. Ground Water, 39 (2). 262-271. 10.1111/j.1745-6584.2001.tb02307.x

Chilton, P.J.; Stuart, M.E.; Lawrence, A.R.; Gooddy, D.C.; Williams, R.J.; Johnson, A.C. ORCID: https://orcid.org/0000-0003-1570-3764. 2000 Assessing pesticide pollution of groundwater: current knowledge and remaining gaps. In: Sililo, O., (ed.) Groundwater: past achievements and future challenges. Rotterdam, Balkema, 17-25.

Williams, R.J.; Juergens, M.D. ORCID: https://orcid.org/0000-0002-6526-589X; Johnson, A.C. ORCID: https://orcid.org/0000-0003-1570-3764. 1999 Initial predictions of the concentrations and distribution of 17β-oestradiol, oestrone and ethinyl oestradiol in 3 English rivers. Water Research, 33 (7). 1663-1671. 10.1016/S0043-1354(98)00386-8

Johnson, Andrew C. ORCID: https://orcid.org/0000-0003-1570-3764; Hughes, Clare D.; Williams, Richard J.; Chilton, P. John. 1998 Potential for aerobic isoproturon biodegradation and sorption in the unsaturated and saturated zones of a chalk aquifer. Journal of Contaminant Hydrology, 30 (3-4). 281-297. 10.1016/S0169-7722(97)00048-X

Mitchell, R.D.J.; Matthiessen, P.; Williams, R.J.; Brook, D.N.; Clare, R.W.. 1996 Rosemaund Pesticide Transport Study 1987-1993. Wallingford, Institute of Hydrology, 68pp. (IH Report no.129)

Murata, M.; Batchelor, C. H.; Lovell, C. J.; Brown, M. W.; Semple, A. J.; Mazhangara, E.; Haria, A.; McGrath, S. P.; Williams, R. J.. 1995 Development of small-scale irrigation using limited groundwater resources. Fourth interim report. NERC/Institute of Hydrology, 104pp. (IH Report ODA 95/5)

Williams, R.J.; Johnson, A.C. ORCID: https://orcid.org/0000-0003-1570-3764; Batchelor, C.H.. 1994 Pesticide briefing note. Institute of Hydrology, 218pp. (Unpublished)

Harris, G.L.. 1993 Determination of CGA 131036 residues occurring in ditch water after an application of Logran 20 WG at 37.5 g/ha. ADAS Soil & Water Research Centre, 76pp. (Report no. 011/8/SWRC/1) (Unpublished)

Johnson, A.C. ORCID: https://orcid.org/0000-0003-1570-3764; Haria, A.; Batchelor, C.H.; Bell, J.P.; Williams, R.J.. 1993 Fate and behaviour of pesticides in structured clay soils - first interim report. Institute of Hydrology, 85pp. (TFS Project T05053e1) (Unpublished)

Whitehead, Paul; Neale, R.; Williams, R.; Neal, C.; Brown, S.; Bird, S.; Littlewood, I.. 1986 The Llyn Brianne Acid Waters Study: data analysis and modelling - 1st progress report. Institute of Hydrology, 206pp. (Unpublished)

Whitehead, P.G.; Bird, S.; Williams, R.; Black, K.; Neal, R.. 1986 Total impact assessment of pollutants in river basins: a feasibility study. Institute of Hydrology, 278pp. (Unpublished)