Dan Lapworth

Mr Dan Lapworth Hydrogeochemist

Location: Wallingford

Tel: 01491 69 2327

E-mail Dan Lapworth

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

Current projects and collaboration

  •  Aquifer responsivness to climate change in sub-Saharan Africa (DFID)
  •  Characterising groundwater colloid-contaminant interactions in floodplain environments
  •  Emerging contaminants in groundwater, collaboration with BRGM
  •  Groundwater-surface water interaction in a lowland permeable catchment (with CEH Wallingford)
  •  Impact of abstaction on groundwater resources and water quality in the Indo-Gangetic Basin
  •  Source determination of phosphate in catchments (with the NERC Isotope Geosciences Laboratory)
  •  Tracing dissolved organic matter in the hyporheic zone

Skills

  •  Data analysis and visualisation using R
  •  Hydrogeochemistry
  •  Regional geochemical studies
  •  Training: hydrogeochemistry and geochemical mapping

Research interests

  •  Biogeochemical processes
  •  Groundwater nanoparticles
  •  Groundwater–surface water exchange processes
  •  Impact of emerging contaminants on groundwater quality
  •  International water resources - recharge, water quality, vulnerability and impact of climate variability
  •  Organic matter fluorescence in the environment
  •  Regional geochemistry: UK, Madagascar, Nigeria

Published outputs

Key papers

LAPWORTH D J, BARAN N, STUART M E and WARD R S. 2012. Emerging organic contaminants in groundwater: A review of sources, fate and occurrence, Environmental Pollution, 163, 287-303.

LAPWORTH D J, MACDONALD A M TIJANI M N, DARLING W G, GOODDY D C, BONSOR H C, ARAGUAS-ARAGUAS L J. 2012. 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.

LARK M R and LAPWORTH D J. 2012. Quality measures for soil surveys by lognormal kriging. Geoderma, 173-174, 231-240.

LAPWORTH D J, GOODY D C, ALLEN D and 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, doi:10.1029/2009JG000921.

TIPPING E, CORBISHLEY H T, KOPRIVNJAK J-F, LAPWORTH D J, MILLER M P, VINCENT C D and HAMILTON-TAYLOR J. 2009. Quantification of natural DOM from UV absorption at two wavelengths, Environmental Chemistry, 6, 472-476.

LAPWORTH D J, GOODDY D G, BUTCHER A and MORRIS B, 2008. Tracing groundwater flow and sources of organic carbon in sandstone aquifers using fluorescence properties of dissolved organic matter (DOM), Applied Geochemistry, 23, 3384-3390.