Items where NERC Author is "Sorensen, James"

Publication - Article

Harris, N.A.; Sorensen, J.P.R.; Marchant, B.; Old, G.H. ORCID: https://orcid.org/0000-0002-4713-1070; Naden, P.S.; Bowes, M.J. ORCID: https://orcid.org/0000-0002-0673-1934; Scarlett, P.M.; Nicholls, D.J.E.; Armstrong, L.K.; Wickham, H.D.; Read, D.S. ORCID: https://orcid.org/0000-0001-8546-5154; Lapworth, D. ORCID: https://orcid.org/0000-0001-7838-7960; Bond, T.; Pond, K.. 2024 Temporal drivers of tryptophan-like fluorescent dissolved organic matter along a river continuum. Science of The Total Environment, 172285. https://doi.org/10.1016/j.scitotenv.2024.172285

Lindle, J.; Villholth, K.G.; Ebrahim, G.Y.; Sorensen, J.P.R.; Taylor, R.G.; Jensen, K.H.. 2023 Groundwater recharge influenced by ephemeral river flow and land use in the semiarid Limpopo Province of South Africa. Hydrogeology Journal, 31 (8). 2291-2306. https://doi.org/10.1007/s10040-023-02682-x

Issoufou Ousmane, Boukari; Nazoumou, Yahaya; Favreau, Guillaume; Abdou Babaye, Maman Sani; Abdou Mahaman, Rabilou; Boucher, Marie; Sorensen, James P.R.; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Taylor, Richard Graham. 2023 Groundwater quality and its implications for domestic and agricultural water supplies in a semi-arid river basin of Niger. Environmental Earth Sciences, 82 (13), 329. https://doi.org/10.1007/s12665-023-11016-9

Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Boving, Thomas; Brauns, Bentje; Dottridge, Jane; Hynds, Paul; Kebede, Seifu; Kreamer, David; Misstear, Bruce; Mukherjee, Abhijit; Re, Viviana; Sorensen, James; Vargas, Claudia Ruz. 2023 Groundwater quality: global challenges, emerging threats and novel approaches. Hydrogeology Journal, 31. 15-18. https://doi.org/10.1007/s10040-022-02542-0

Nyenje, Philip M.; Ocoromac, Denis; Tumwesige, Stephen; Ascott, Matt J.; Sorensen, James P.R.; Newell, Andrew J.; Macdonald, David M.J.; Gooddy, Daren C.; Tindimugaya, Callist; Kulabako, Robinah N.; Lapworth, Dan J. ORCID: https://orcid.org/0000-0001-7838-7960; Foppen, Jan Willem. 2022 Hydrogeology of an urban weathered basement aquifer in Kampala, Uganda. Hydrogeology Journal, 30. 1469-1487. https://doi.org/10.1007/s10040-022-02474-9

Habib, Abrar; Butler, Adrian P.; Bloomfield, John P. ORCID: https://orcid.org/0000-0002-5730-1723; Sorensen, James P.R.. 2022 Fractal domain refinement of models simulating hydrological time series. Hydrological Sciences Journal, 67 (9). 1342-1355. https://doi.org/10.1080/02626667.2022.2084342

Cook, P.A.; Black, E.C.L.; Verhoef, A.; Macdonald, D.M.J.; Sorensen, J.P.R.. 2022 Projected increases in potential groundwater recharge and reduced evapotranspiration under future climate conditions in West Africa. Journal of Hydrology: Regional Studies, 41, 101076. https://doi.org/10.1016/j.ejrh.2022.101076

Sorensen, James P.R.; Aldous, Phil; Bunting, Sarah Y.; McNally, Susan; Townsend, Barry R.; Barnett, Megan J.; Harding, Tessa; La Ragione, Roberto M.; Stuart, Marianne E.; Tipper, Holly J. ORCID: https://orcid.org/0000-0002-1857-9204; Pedley, Steve. 2021 Seasonality of enteric viruses in groundwater-derived public water sources. Water Research, 207, 117813. 11, pp. https://doi.org/10.1016/j.watres.2021.117813

Sorensen, James P.R.; Davies, Jeff; Ebrahim, Girma Y.; Lindle, John; Marchant, Ben P.; Ascott, Matthew J.; Bloomfield, John P. ORCID: https://orcid.org/0000-0002-5730-1723; Cuthbert, Mark O.; Holland, Martin; Jensen, K. H.; Shamsudduha, M.; Villholth, Karen G.; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Taylor, Richard G.. 2021 The influence of groundwater abstraction on interpreting climate controls and extreme recharge events from well hydrographs in semi-arid South Africa. Hydrogeology Journal, 29. 2773-2787. https://doi.org/10.1007/s10040-021-02391-3

Sorensen, James P.R.; Nayebare, Jacintha; Carr, Andrew F.; Lyness, Robert; Campos, Luiza C.; Ciric, Lena; Goodall, Tim ORCID: https://orcid.org/0000-0002-1526-4071; Kulabako, Robinah; Rushworth Curran, Catherine M.; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Owor, Michael; Read, Daniel S. ORCID: https://orcid.org/0000-0001-8546-5154; Taylor, Richard G.. 2021 In-situ fluorescence spectroscopy is a more rapid and resilient indicator of faecal contamination risk in drinking water than faecal indicator organisms. Water Research, 206, 117734. 11, pp. https://doi.org/10.1016/j.watres.2021.117734

McLachlan, Paul; Blanchy, Guillaume; Chambers, Jonathan; Sorensen, James; Uhlemann, Sebastian; Wilkinson, Paul; Binley, Andrew. 2021 The application of electromagnetic induction methods to reveal the hydrogeological structure of a riparian wetland. Water Resources Research, 57 (6), e2020WR029221. https://doi.org/10.1029/2020WR029221

MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Lark, R. Murray; Taylor, Richard G.; Abiye, Tamiru; Fallas, Helen C.; Favreau, Guillaume; Goni, Ibrahim B.; Kebede, Seifu; Scanlon, Bridget; Sorensen, James P.R.; Tijani, Moshood; Upton, Kirsty A.; West, Charles. 2021 Mapping groundwater recharge in Africa from ground observations and implications for water security. Environmental Research Letters, 16 (3), 034012. https://doi.org/10.1088/1748-9326/abd661

Ascott, M.J.; Macdonald, D.M.J.; Black, E.; Verhoef, A.; Nakohoun, P.; Tirogo, J.; Sandwidi, W. J. P.; Bliefernicht, J.; Sorensen, J.P.R.; Bossa, A. Y.. 2020 In‐situ observations and lumped parameter model reconstructions reveal intra‐annual to multi‐decadal variability in groundwater levels in sub‐Saharan Africa. Water Resources Research, 56 (12), e2020WR028056. https://doi.org/10.1029/2020WR028056

Sorensen, James P.R.; Diaw, Mor Talla; Pouye, Abdoulaye; Roffo, Raphaëlle; Diongue, Djim M.L.; Faye, Seynabou C.; Gaye, Cheikh B.; Fox, Bethany G.; Goodall, Timothy ORCID: https://orcid.org/0000-0002-1526-4071; Lapworth, Daniel J. ORCID: https://orcid.org/0000-0001-7838-7960; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Read, Daniel S. ORCID: https://orcid.org/0000-0001-8546-5154; Ciric, Lena; Taylor, Richard G.. 2020 In-situ fluorescence spectroscopy indicates total bacterial abundance and dissolved organic carbon. Science of the Total Environment, 738, 139419. 10, pp. https://doi.org/10.1016/j.scitotenv.2020.139419

Sorensen, James P.R.; Carr, Andrew F.; Nayebare, Jacintha; Diongue, Djim M.L.; Pouye, Abdoulaye; Roffo, Raphaëlle; Gwengweya, Gloria; Ward, Jade S.T.; Kanoti, Japhet; Okotto-Okotto, Joseph; van der Marel, Laura; Ciric, Lena; Faye, Seynabou C.; Gaye, Cheikh B.; Goodall, Timothy ORCID: https://orcid.org/0000-0002-1526-4071; Kulabako, Robinah; Lapworth, Daniel J. ORCID: https://orcid.org/0000-0001-7838-7960; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Monjerezi, Maurice; Olago, Daniel; Owor, Michael; Read, Daniel S. ORCID: https://orcid.org/0000-0001-8546-5154; Taylor, Richard G.. 2020 Tryptophan-like and humic-like fluorophores are extracellular in groundwater: implications as real-time faecal indicators. Scientific Reports, 10, 15379. 9, pp. https://doi.org/10.1038/s41598-020-72258-2

McDonough, Liza K.; Santos, Isaac R.; Andersen, Martin S.; O'Carroll, Denis M.; Rutlidge, Helen; Meredith, Karina; Oudone, Phetdala; Bridgeman, John; Gooddy, Daren C.; Sorensen, James P.R.; Lapworth, Dan J. ORCID: https://orcid.org/0000-0001-7838-7960; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Ward, Jade; Baker, Andy. 2020 Changes in global groundwater organic carbon driven by climate change and urbanization. Nature Communications, 11, 1279. 10, pp. https://doi.org/10.1038/s41467-020-14946-1

Cuthbert, Mark O.; Taylor, Richard G.; Favreau, Guillaume; Todd, Martin C.; Shamsudduha, Mohammad; Villholth, Karen G.; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Scanlon, Bridget R.; Kotchoni, D. O. Valerie; Vouillamoz, Jean-Michel; Lawson, Fabrice M.A.; Adjomayi, Philippe Armand; Kashaigili, Japhet; Seddon, David; Sorensen, James P.R.; Ebrahim, Girma Yimer; Owor, Michael; Nyenje, Philip M.; Nazoumou, Yahaya; Goni, Ibrahim; Ousmane, Boukari Issoufou; Sibanda, Tenant; Ascott, Matthew J.; Macdonald, David M.J.; Agyekum, William; Koussoubé, Youssouf; Wanke, Heike; Kim, Hyungjun; Wada, Yoshihide; Lo, Min-Hui; Oki, Taikan; Kukuric, Neno. 2019 Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa. Nature, 572 (7768). 230-234. https://doi.org/10.1038/s41586-019-1441-7

Kolusu, Seshagiri Rao; Shamsudduha, Mohammad; Todd, Martin C.; Taylor, Richard G.; Seddon, David; Kashaigili, Japhet J.; Ebrahim, Girma Y.; Cuthbert, Mark O.; Sorensen, James; Villholth, Karen G.; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; MacLeod, Dave A.. 2019 The El Niño event of 2015–2016: climate anomalies and their impact on groundwater resources in East and Southern Africa. Hydrology and Earth System Sciences, 23 (3). 1751-1762. https://doi.org/10.5194/hess-23-1751-2019

Sorensen, J.P.R.; Vivanco, A.; Ascott, M.J.; Gooddy, D.C.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Read, D.S. ORCID: https://orcid.org/0000-0001-8546-5154; Rushworth, C.M.; Bucknall, J.; Herbert, K.; Karapanos, I.; Gumm, L.P.; Taylor, R.G.. 2018 Online fluorescence spectroscopy for the real-time evaluation of the microbial quality of drinking water. Water Research, 137. 301-309. https://doi.org/10.1016/j.watres.2018.03.001

Sorensen, James P.R.; Baker, Andy; Cumberland, Susan A.; Lapworth, Dan J. ORCID: https://orcid.org/0000-0001-7838-7960; MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Pedley, Steve; Taylor, Richard G.; Ward, Jade S.T.. 2018 Real-time detection of faecally contaminated drinking water with tryptophan-like fluorescence: defining threshold values. Science of the Total Environment, 622-623. 1250-1257. https://doi.org/10.1016/j.scitotenv.2017.11.162

Darling, W.G.; Sorensen, J.P.R.; Newell, A.J.; Midgley, J.; Benhamza, M.. 2018 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. Applied Geochemistry, 96. 277-286. https://doi.org/10.1016/j.apgeochem.2018.07.016

Habib, Abrar; Sorensen, James P.R.; Bloomfield, John P. ORCID: https://orcid.org/0000-0002-5730-1723; Muchan, Katie; Newell, Andrew J.; Butler, Adrian P.. 2017 Temporal scaling phenomena in groundwater-floodplain systems using robust detrended fluctuation analysis. Journal of Hydrology, 549. 715-730. https://doi.org/10.1016/j.jhydrol.2017.04.034

Mathias, Simon A.; Sorensen, James P.R.; Butler, Adrian P.. 2017 Soil moisture data as a constraint for groundwater recharge estimation. Journal of Hydrology, 552. 258-266. https://doi.org/10.1016/j.jhydrol.2017.06.040

Uhlemann, S.S.; Sorensen, J.P.R.; House, A.R.; Wilkinson, P.B.; Roberts, C.; Gooddy, D.C.; Binley, A.M.; Chambers, J.E.. 2016 Integrated time-lapse geoelectrical imaging of wetland hydrological processes. Water Resources Research, 52 (3). 1607-1625. https://doi.org/10.1002/2015WR017932

Maurice, L.; Robertson, A.R.; White, D.; Knight, L.; Johns, T.; Edwards, F.; Arietti, M.; Sorensen, J.P.R.; Weitowitz, D.; Marchant, B.P.; Bloomfield, J.P. ORCID: https://orcid.org/0000-0002-5730-1723. 2016 The invertebrate ecology of the Chalk aquifer in England (UK). Hydrogeology Journal, 24 (2). 459-474. https://doi.org/10.1007/s10040-015-1334-2

Newell, Andrew J.; Vane, Christopher H. ORCID: https://orcid.org/0000-0002-8150-3640; Sorensen, James P.R.; Moss-Hayes, Vicky; Gooddy, Daren C.. 2016 Long-term Holocene groundwater fluctuations in a chalk catchment: evidence from Rock-Eval pyrolysis of riparian peats. Hydrological Processes, 30 (24). 4556-4567. https://doi.org/10.1002/hyp.10903

House, A.R.; Thompson, J.R.; Sorensen, J.P.R.; Roberts, C.; Acreman, M.C.. 2016 Modelling groundwater/surface-water interaction in a managed riparian chalk valley wetland. Hydrological Processes, 30 (3). 447-462. https://doi.org/10.1002/hyp.10625

Newell, Andrew J.; Sorensen, James P.R.; Chambers, Jonathan E.; Wilkinson, Paul B.; Uhlemann, Sebastian; Roberts, Colin; Gooddy, Daren C.; Vane, Christopher H. ORCID: https://orcid.org/0000-0002-8150-3640; Binley, Andrew. 2015 Fluvial response to Late Pleistocene and Holocene environmental change in a Thames chalkland headwater: the Lambourn of southern England. Proceedings of the Geologists' Association, 126 (6). 683-697. https://doi.org/10.1016/j.pgeola.2015.08.008

Sorensen, J.P.R.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Read, D.S. ORCID: https://orcid.org/0000-0001-8546-5154; Nkhuwa, D.C.W.; Bell, R.A.; Chibesa, M.; Chirwa, M.; Kabika, J.; Liemisa, M.; Pedley, S.. 2015 Tracing enteric pathogen contamination in sub-Saharan African groundwater. Science of the Total Environment, 538. 888-895. https://doi.org/10.1016/j.scitotenv.2015.08.119

Sorensen, J.P.R.; Sadhu, A.; Sampath, G.; Sugden, S.; Dutta Gupta, S.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, B.P.; Pedley, S.. 2015 Are sanitation interventions a threat to drinking water supplies in rural India? An application of tryptophan-like fluorescence. Water Research, 88. 923-932. https://doi.org/10.1016/j.watres.2015.11.006

Newell, A.J.; Kirby, G.A.; Sorensen, J.P.R.; Milodowski, A.E.. 2015 The Cretaceous Continental Intercalaire in central Algeria: subsurface evidence for a fluvial to aeolian transition and implications for the onset of aridity on the Saharan Platform. Palaeogeography, Palaeoclimatology, Palaeoecology, 438. 146-159. https://doi.org/10.1016/j.palaeo.2015.07.023

Sorensen, J.P.R.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, B.P.; Nkhuwa, D.C.W.; Pedley, S.; Stuart, M.E.; Bell, R.A.; Chirwa, M.; Kabika, J.; Liemisa, M.; Chibesa, M.. 2015 In-situ tryptophan-like fluorescence: a real-time indicator of faecal contamination in drinking water supplies. Water Research, 81. 38-46. https://doi.org/10.1016/j.watres.2015.05.035

Khamis, K.; Sorensen, J.P.R.; Bradley, C.; Hannah, D.M.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Stevens, R.. 2015 In situ tryptophan-like fluorometers: assessing turbidity and temperature effects for freshwater applications. Environmental Science: Processes & Impacts, 17. 740-752. https://doi.org/10.1039/c5em00030k

House, Andrew R.; Sorensen, James P.R.; Gooddy, Daren C.; Newell, Andrew J.; Marchant, Ben; Mountford, J. Owen; Scarlett, Peter; Williams, Peter J.; Old, Gareth H. ORCID: https://orcid.org/0000-0002-4713-1070. 2015 Discrete wetland groundwater discharges revealed with a three-dimensional temperature model and botanical indicators (Boxford, UK). Hydrogeology Journal, 23 (4). 775-787. https://doi.org/10.1007/s10040-015-1242-5

Sorensen, J.P.R.; Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Nkhuwa, D.C.W.; Stuart, M.E.; Gooddy, D.C.; Bell, R.A.; Chirwa, M.; Kabika, J.; Liemisa, M.; Chibesa, M.; Pedley, S.. 2015 Emerging contaminants in urban groundwater sources in Africa. Water Research, 72. 51-63. https://doi.org/10.1016/j.watres.2014.08.002

House, Andrew; Acreman, Mike; Sorensen, James; Thompson, Julian. 2015 Hydroecological impacts of climate change modelled for a lowland UK wetland. Geophysical Research Abstracts, 17, EGU2015-4671. 1, pp.

Sorensen, J.P.R.; Butcher, A.S.; Stuart, M.E.; Townsend, B.R.. 2015 Nitrate fluctuations at the water table: implications for recharge processes and solute transport in the Chalk aquifer. Hydrological Processes, 29 (15). 3355-3367. https://doi.org/10.1002/hyp.10447

Loke, M.H.; Wilkinson, P.B.; Chambers, J.E.; Uhlemann, S.S.; Sorensen, J.P.R.. 2015 Optimized arrays for 2-D resistivity survey lines with a large number of electrodes. Journal of Applied Geophysics, 112. 136-146. https://doi.org/10.1016/j.jappgeo.2014.11.011

Old, G.H. ORCID: https://orcid.org/0000-0002-4713-1070; Naden, P.S.; Rameshwaran, P.; Acreman, M.C.; Baker, S.; Edwards, F.K.; Sorensen, J.P.R.; Mountford, O.; Gooddy, D.C.; Stratford, C.J. ORCID: https://orcid.org/0000-0003-3867-5807; Scarlett, P.M.; Newman, J.R.; Neal, M.. 2014 Instream and riparian implications of weed cutting in a chalk river. Ecological Engineering, 71. 290-300. https://doi.org/10.1016/j.ecoleng.2014.07.006

Sorensen, J.P.R.; Finch, J.W.; Ireson, A.M.; Jackson, C.R.. 2014 Comparison of varied complexity models simulating recharge at the field scale. Hydrological Processes, 28 (4). 2091-2102. https://doi.org/10.1002/hyp.9752

Chambers, J.E.; Wilkinson, P.B.; Uhlemann, S.; Sorensen, J.P.R.; Roberts, C.; Newell, A.J.; Ward, W.O.C.; Binley, A.; Williams, P. J.; Gooddy, D.C.; Old, G. ORCID: https://orcid.org/0000-0002-4713-1070; Bai, L.. 2014 Derivation of lowland riparian wetland deposit architecture using geophysical image analysis and interface detection. Water Resources Research, 50 (7). 5886-5905. https://doi.org/10.1002/2014WR015643

Sorensen, James P.R.; Maurice, Louise; Edwards, Francois K.; Lapworth, Daniel J. ORCID: https://orcid.org/0000-0001-7838-7960; Read, Daniel S. ORCID: https://orcid.org/0000-0001-8546-5154; Allen, Debbie; Butcher, Andrew S.; Newbold, Lindsay K. ORCID: https://orcid.org/0000-0001-8895-1406; Townsend, Barry R.; Williams, Peter J.. 2013 Using boreholes as windows into groundwater ecosytems. PLoS ONE, 8 (7), e70264. https://doi.org/10.1371/journal.pone.0070264

Davies, Jeff; Robins, Nick S.; Farr, John; Sorensen, James; Beetlestone, Philip; Cobbing, Jude E.. 2013 Identifying transboundary aquifers in need of international resource management in the Southern African Development Community region. Hydrogeology Journal, 21 (2). 321-330. https://doi.org/10.1007/s10040-012-0903-x

Sorensen, James P.R.; Butcher, Andrew S.. 2011 Water level monitoring pressure transducers : a need for industry-wide standards. Ground Water Monitoring & Remediation, 31 (4). 56-62. https://doi.org/10.1111/j.1745-6592.2011.01346.x

Publication - Conference Item

Sorensen, James. 2021 Fluorescence: a rapid and resilient indicator of faecal contamination risk in drinking water. [Lecture] In: 8th African Water Week and 6th AfricaSan, Online, 22-26 Nov 2021. (Unpublished)

Sorensen, James; Taylor, Richard. 2020 Real-time indication of faecally contaminated drinking water with fluorescence spectroscopy: towards understanding the causation. [Poster] In: 20th The African Water Association (AfWA) ICE, Kampala, Uganda, 24-27 Feb 2020. British Geological Survey. (Unpublished)

Sorensen, James. 2020 Real-time indication of faecally contaminated drinking water with TLF. [Lecture] In: Tryptophan Fluorescence 2020, London, UK, 23 Jan 2020.

Sorensen, James. 2019 Real-time indication of faecally contaminated drinking water with fluorescence spectroscopy: towards understanding the causation. [Lecture] In: 46th IAH Congress, Malaga, Spain, 23-27 Sept 2019. British Geological Survey. (Unpublished)

Sorensen, James. 2019 A superior indicator of microbial risk: real-time fluorescence spectroscopy. [Poster] In: 46th IAH Congress, Malaga, Spain, 23-27 Sept 2019. British Geological Survey. (Unpublished)

Sorensen, James; Olago, Daniel; Dulo, Simeon; Kanoti, Japhet; Gaye, Cheikh; Faye, Seynabou Cisse; Pouye, Abdoulaye; Owor, Michael; Nayebare, Jacintha; Kulabako, Robinah; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Gwengweya, Gloria; Read, Daniel ORCID: https://orcid.org/0000-0001-8546-5154; Ward, Jade; Taylor, Richard. 2019 Real-time indication of faecally contaminated drinking water with fluorescence spectroscopy: towards understanding the causation. [Lecture] In: 10th International Groundwater Quality Conference (GQ 2019), Liège, Belgium, 9-12 Sept 2019. (Unpublished)

Sorensen, James. 2019 The use of fluorescence to monitor groundwater microbiological quality. [Lecture] In: Groundwater Quality: Public and private water supplies, London, UK, 15 March 2019. British Geological Survey. (Unpublished)

Sorensen, James; Olago, Dan; Kanoti, Japhet; Gaye, Cheikh; Pouye, Abdoulaye; Owor, Michael; Nayebare, Jacintha; Kulabako, Robinah; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Read, Daniel ORCID: https://orcid.org/0000-0001-8546-5154; Taylor, Richard. 2018 Microbial characterization of groundwater in urban environments of Kenya, Senegal, and Uganda. [Lecture] In: 45th IAH Congress, Daejeon, South Korea, 9-14 Sept 2018. (Unpublished)

Sorensen, James. 2018 Fluorescence for monitoring the microbial quality of drinking water. [Lecture] In: Water & Health, SWIG, Bristol, UK, 31 Jan 2018. (Unpublished)

Sorensen, James. 2018 Real-time fluorescence for the improved monitoring of the microbial quality of drinking water. [Lecture] In: 45th IAH Congress, Daejeon, South Korea, 9-14 Sept 2018. (Unpublished)

McLachlan, Paul; Chambers, Jonathan; Uhlemann, Sebastian; Sorensen, James; Binley, Andrew. 2018 Structural and hydrological characterisation of a riparian wetland using electromagnetic induction and time lapse electrical resistivity tomography. [Lecture] In: AGU Fall Meeting 2018, Washington, D.C., USA, 10-14 Dec 2018. (Unpublished)

Sorensen, James. 2017 Tryptophan-like fluorescence: a real-time indicator of faecally contaminated drinking water. [Poster] In: Ineson Lecture 2017: Africa, Groundwater and the Sustainable Development Goals, London, UK, 25 Oct 2017. British Geological Survey. (Unpublished)

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, Ben; Pedley, Steve. 2016 Tryptophan-like fluorescence (TLF): an effective real-time indicator of faecal contamination in drinking water. [Poster] In: UNICEF Stakeholder Consultation on Real Time E. coli Testing Devices, Copenhagen, Denmark, 22 Nov 2016. (Unpublished)

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, Ben; Pedley, Steve. 2016 Tryptophan-like fluorescence: an effective real-time indicator of faecal contamination in drinking water. [Poster] In: 43rd IAH Congress, Montpellier, France, 25-29 Sept 2016. British Geological Survey. (Unpublished)

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, Ben; Pedley, Steve. 2016 Is the provision of on-site sanitation a threat to rural domestic water supplies in India? [Lecture] In: 43rd IAH Congress, Montpellier, France, 25-29 Sept 2016. (Unpublished)

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, Ben; Pedley, Steve. 2016 Tryptophan-like fluorescence (TLF: an effective real-time indicator of faecal contamination in drinking water. [Poster] In: Nutrients and Fluorescence: University of the West of England, Bristol, UK, 2016. British Geological Survey. (Unpublished)

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Marchant, Ben; Nkhuwa, Daniel; Pedley, Steve. 2015 Real-time inference of thermotolerant coliforms in groundwater. [Poster] In: 42nd IAH Congress, Rome, Italy, 14-18 Sept 2015. (Unpublished)

Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Sorensen, James; Read, Dan ORCID: https://orcid.org/0000-0001-8546-5154; Pedley, Steve; Nkhuwa, Daniel; Bell, Rachel. 2015 Tracking pathways for pathogen contamination in urban groundwater supplies in Africa: novel application of qPCR techniques. [Lecture] In: 42nd IAH Congress, Rome, Italy, 13-18 Sept 2015. (Unpublished)

Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Sorensen, James; Nkhuwa, Daniel. 2015 Using emerging contaminants to trace rapid recharge pathways in urban groundwater: an example from Kabwe, Zambia. [Lecture] In: 42nd IAH Congress, Rome, Italy, 14-18 Sept 2015. (Unpublished)

House, Andrew; Acreman, Mike; Sorensen, James; Thompson, Julian. 2015 Hydroecological impacts of climate change modelled for a lowland UK wetland. [Lecture] In: European Geosciences Union General Assembly 2015, Vienna, 12-17 Apr 2015. (Unpublished)

Stuart, Marianne; White, Debbie; Manamsa, Katya; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Williams, Peter; Sorensen, James. 2015 Emerging organic contaminants in groundwater in urban areas. [Lecture] In: Emerging contaminants in water and soil: practical considerations, sampling analysis and consequences, Sheffield, UK, 4 Mar 2015. British Geological Survey. (Unpublished)

Sorensen, James. 2014 Groundwater dependence and threats in urban Sub-Saharan Africa. [Lecture] In: Groundwater, poverty and development, London, UK, 28 Nov 2014. (Unpublished)

Sorensen, James; Pedley, Steve; Read, Daniel ORCID: https://orcid.org/0000-0001-8546-5154; Chibesa, Mirriam; Chirwa, Meki; Bell, Rachel; Nkhuwa, Daniel; Liemisa, Moses; Stuart, Marianne; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960. 2014 Characterising pathogen contamination in urban groundwater in Kabwe, Zambia: a comparative study using multiple pollution indicators and contributing risk factors. [Poster] In: 41st IAH International Congress "Groundwater: Challenges and Strategies", Marrakech, Morocco, 15-19 Sept 2014.

Sorensen, James; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Nkhuwa, Daniel; Stuart, Marianne; Bell, Rachel; Chirwa, Meki; Kabika, Joel. 2014 Emerging organic contaminants in urban and peri‐urban groundwater sources in Sub‐Saharan Africa. [Poster] In: 41st IAH International Congress "Groundwater: Challenges and Strategies", Marrakech, Morocco, 15-19 Sept 2014.

Butcher, Andrew; Sorensen, James. 2014 Extreme groundwater levels in boreholes: measurement of changes in flow regimes and their significance for groundwater flooding. [Lecture] In: 41st IAH International Congress "Groundwater: Challenges and Strategies", Marrakech, Morocco, 15-19 Sept 2014. (Unpublished)

Khamis, Kieran; Sorensen, James; Bradley, Chris; Hannah, David; Stevens, Rob. 2014 Monitoring dissolved organic matter using submersible tryptophan-like fluorometers. [Lecture] In: 12th British Hydrological Society National Symposium, Birmingham, UK, 2-4 Sept 2014. (Unpublished)

House, Andrew; Sorensen, James; Newell, Andrew; Chambers, Jonathan; Wilkinson, Paul; Uhlemann, Sebastian; Gooddy, Daren; Mountford, Owen; Scarlett, Peter; Old, Gareth ORCID: https://orcid.org/0000-0002-4713-1070. 2014 Using temperature, electrical resistivity tomography and botanical indicators to understand groundwater discharge in a riparian wetland. [Lecture] In: British Hydrological Society: Early career hydrologists’ event 2014, Cardiff, UK, 24-25 June 2014. (Unpublished)

Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Sorensen, J.; Pedley, S.; Nkhuwa, D.C.W.; Read, D. ORCID: https://orcid.org/0000-0001-8546-5154; Chibesa, M.; Chirwa, M.; Bell, R.; Liemisa, M.; Stuart, M.; Kabika, J.. 2014 Applying in-situ fluorescence and molecular screening techniques to understand contamination and contributing risk factors in shallow urban groundwaters in sub-Saharan Africa. [Poster] In: Hydrogeology and WASH, London, UK, 5 June 2014. British Geological Survey.

House, Andrew; Sorensen, James; Gooddy, Daren; Newell, Andrew; Marchant, Benjamin; Mountford, Owen; Scarlett, Peter; Williams, Peter; Old, Gareth ORCID: https://orcid.org/0000-0002-4713-1070. 2014 Using a 3D temperature model to reveal the significance of relic channels and botanical indicators of groundwater discharge. [Lecture] In: Integrated Management of Groundwater Resources and Dependent Ecosystems, Prague, Czech Republic, 5-7 March 2014. (Unpublished)

Uhlemann, S.S.; Sorensen, J.P.R.; Chambers, J.E.; Wilkinson, P.B.; Oxby, L.; Gooddy, D.C.; Old, G.H. ORCID: https://orcid.org/0000-0002-4713-1070; Kuras, O.; Meldrum, P.I.. 2014 Imaging of hydrological processes in a lowland wetland of the Lambourn river, Berkshire, UK (abstract only). [Other] In: 2nd International Workshop on Geoelectrical Monitoring, Tokyo, Japan, 28-30 May 2014. Geological Survey of Austria. (Unpublished)

Sorensen, James; Maurice, Lou; Edwards, Francois; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Read, Daniel ORCID: https://orcid.org/0000-0001-8546-5154; Allen, Debbie; Butcher, Andrew; Newbold, Lindsay ORCID: https://orcid.org/0000-0001-8895-1406; 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)

House, Andrew; Sorensen, James; Gooddy, Daren; Marchant, Benjamin; Newell, Andrew; Old, Gareth ORCID: https://orcid.org/0000-0002-4713-1070; Roberts, Colin; Scarlett, Peter. 2013 Revealing groundwater discharge to a lowland wetland by combining temperature and vegetation surveys. [Lecture] In: Wetland Hydrology: BHS National Meeting, Birmingham, UK, 13 Sept 2013. (Unpublished)

Sorensen, James; Finch, Jon; Ireson, Andrew; Jackson, Christopher. 2012 Assessing the effects of land surface representation on recharge simulated by models of varying complexity. [Lecture] In: 39th IAH Congress, Niagara, Canada, 16-21 Sept 2012. (Unpublished)

Maurice, Louise; Sorensen, James; Newbold, Lindsay ORCID: https://orcid.org/0000-0001-8895-1406; Read, Daniel ORCID: https://orcid.org/0000-0001-8546-5154; Allen, Debbie; Edwards, Francois; Bloomfield, John ORCID: https://orcid.org/0000-0002-5730-1723. 2012 Hydrogeological borehole investigations of groundwater ecology in the English Chalk. [Lecture] In: 21st International Conference on Subterranean Biology, Kosice, Slovakia, 2-7 Sep 2012. (Unpublished)

Sorensen, James; Darling, George; Newell, Andrew. 2012 Monitoring Saharan groundwater resources overlying a terrestial CCS site. [Poster] In: Ineson Meeting: Groundwater and Energy, London, 17th October 2012. (Unpublished)

Sorensen, James. 2012 Water level loggers : a need for industry standards. [Lecture] In: Water Level Measurement using Data Loggers, Birmingham, UK, 28 March 2012. (Unpublished)

Publication - Report

Ward, Jade; Lapworth, Dan ORCID: https://orcid.org/0000-0001-7838-7960; Sorensen, James; Nowicki, Saskia. 2018 Assessing microbiological contamination in water sources: Field note on using the UviLux Tryptophan-Like Fluorescence (TLF) Probe. Nottingham, UK, British Geological Survey, 14pp. (OR/18/042) (Unpublished)

Lapworth, D.J. ORCID: https://orcid.org/0000-0001-7838-7960; Sorensen, J.P.R.. 2018 BGS-UKRI briefing note: tryptophan-like fluorescence (TLF) as a rapid in-situ screening tool for assessing faecal contamination risk in groundwater. Wallingford, UK, British Geological Survey, 6pp. (OR/18/058) (Unpublished)

Stratford, Charlie ORCID: https://orcid.org/0000-0003-3867-5807; Sorensen, James; Roberts, Colin; House, Andrew; Rameshwaran, Ponnambalam. 2015 Wetland hydrological monitoring: overview and Boxford Water Meadows case study. Wallingford, NERC/Centre for Ecology & Hydrology, 31pp. (CEH Project no. C04470) (Unpublished)

Roberts, C.; Old, G. ORCID: https://orcid.org/0000-0002-4713-1070; Mountford, O.; Sorensen, J.P.R.; Williams, P.J.. 2014 Mapping topography and broad vegetation type to characterise the Boxford meadows SSSI (Unit 2). Wallingford, UK, NERC/Centre for Ecology & Hydrology, 10pp. (CEH Project no. C04470) (Unpublished)

Sorensen, J.P.R.; Butcher, A.S.; Stuart, M.E.; Townsend, B.R.. 2011 Hydrogeological investigations at Morestead, Twyford, 2010-2011. British Geological Survey, 36pp. (OR/11/043) (Unpublished)

Sorensen, J.P.R.; Allen, D.J.. 2010 Groundwater– surface water interaction investigations at the Boxford Research site in 2009/10. Nottingham, UK, British Geological Survey, 26pp. (OR/10/009) (Unpublished)

Sorensen, J.P.R.; Butcher, A.S.; Stuart, M.E.. 2010 Hydrogeological investigations at Morestead, Twyford, 2008-2009. Nottingham, UK, British Geological Survey, 39pp. (OR/10/011) (Unpublished)

Sorensen, J.P.R.; Butcher, A.S.. 2010 Technical performance of selected pressure transducers used for groundwater monitoring under laboratory and field conditions. British Geological Survey, 67pp. (OR/10/060) (Unpublished)

Sorensen, J.P.R.; Butcher, A.S.; Gallagher, A.J.; Stuart, M.E.. 2009 Hydrogeological investigations at Morestead, Twyford, 2008-2009 (preliminary observations). Nottingham, UK, British Geological Survey, 25pp. (OR/09/009) (Unpublished)

Output (Electronic)

MacDonald, Alan M. ORCID: https://orcid.org/0000-0001-6636-1499; Lark, Murray; Taylor, Richard G.; Abiye, Tamiru; Fallas, Helen C.; Favreau, Guillame; Goni, Ibrahim B.; Kebede, Sefu; Scanlon, Brighid; Sorensen, James P.R.; Tijani, Moshood; Upton, Kirsty A.; West, Charles. Groundwater recharge in Africa from ground based measurements. British Geological Survey 19 November 2020, https://doi.org/10.5285/45d2b71c-d413-44d4-8b4b-6190527912ff [Output (Electronic)]