Dan Lapworth

Mr Dan Lapworth

Hydrogeochemist

Location: Wallingford

Tel: 01491 69 2327

E-mail Dan Lapworth

Skills

  • Hydrogeochemistry, Hydrogeology
  • Water quality studies: design and implementation
  • Project management and training in undertaking field-based observations
  • Data analysis and visualisation using R

Current projects and collaboration

  • Groundwater recharge processes and urban groundwater quality and use in Sub-Saharan Africa (DFID) as part of the NERC UPGro programme and REACH programme UPGro REACH
  • Impact of high abstaction on groundwater resources and water quality in the Indo-Gangetic Basin (DFID) in collaboration with UCL
  • Integrating Hydro-Climate Science into Policy Decisions for Climate-Resilient Infrastructure and Livelihoods in East Africa (NERC-DFID FCFA programme)HyCRISTAL
  • Application of Tryptophan Florescence Sensors for improved raw water quality monitoring of Faecal Contamination in Groundwater sources: implications for optimising treatment processes (NERC Innovation grant)
  • Emerging contaminants in groundwater, collaboration with BRGM (NC)
  • Source determination of phosphate in catchments with the NERC Isotope Geosciences Laboratory (NIGL-NC)
  • Floodplain hydrogeochemistry (NC)

Research interests

  • Field sensors and isotope techniques for tracking pollution
  • Water resources in Africa and Asia - recharge, water quality, vulnerability and impact of climate variability
  • Emerging organic contaminants in groundwater
  • Microbiological contamination in drinking water sources
  • Urban groundwater quality and use
  • Biogeochemical processes in floodplains

Professional association

  •  2012 : International Association of Hydrogeologist
  •  2011 : Chartered Chemist, RSC
  •  2003 : MRSC, Member of the Royal Society of Chemistry
  •  2000 : Member of RSC Water Science Forum

Published outputs

Key papers

MacDonald AM, Bonsor HC, Ahmed KM, Burgess WG, Basharat M, Calow RC, Dixit A, Foster SS, Gopal K, Lapworth DJ, Lark RM et al. 2016. Groundwater quality and depletion in the Indo-Gangetic Basin mapped from in situ observations. Nature Geoscience, 9(10):762-766.

Lapworth DJ, MacDonald AM, Krishan G, Rao MS, Gooddy DC, Darling WG. 2015. Groundwater recharge and age-depth profiles of intensively exploited groundwater resources in northwest India, Geophysical Research Letters, 42, doi10.1002/2015GL065798.

Sorensen JP, Lapworth DJ, Marchant BP, Nkhuwa DC, Pedley S, Stuart ME, Bell RA, 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.

Lapworth DJ, Baran N, Stuart ME, Ward RS. 2012. Emerging organic contaminants in groundwater: A review of sources, fate and occurrence, Environmental Pollution, 163, 287-303.

Lapworth DJ, MacDonald AM, Tijani MN, Darling WG, Gooddy DC, Bonsor HC, Araguás-Araguás LJ. 2013. Residence times of shallow groundwater in West Africa: implications for hydrogeology and resilience to future changes in climate. Hydrogeology Journal, (DOI) 10.1007/s10040-012-0925-4.

Lapworth DJ, Gooddy DC, Allen D, Old GH. 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, doi:10.1029/2009JG000921.

Research partners
  • Universities: Birmingham; Lancaster, Ibadan; IIT-Kharagpur; Leeds; Makerere; Reading, Surrey; UCL; Uni. Zambia.

    GOs: BRGM; GTK; Nigerian Geological Survey; Ministry of Water and Environment, Uganda; BWDB, Bangladesh; NIH, India.

    NGOs: Practical Action; E4D; ODI; Water4People; VIRED International (Kenya); WaterAid