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Department of Earth Sciences

Staff and Postgraduate Students

Dr F Worrall, MA (Cantab)1992, PhD (Reading)1995

Telephone: +44 (0) 191 33 42295
Room number: Rm 326

Contact Dr F Worrall (email at fred.worrall@durham.ac.uk)

Biography

MA (Cantab)1992, PhD (Reading)1995, Higher Scientific Officer (British Geological Survey) 1995 , Durham 1996- present.

Research Groups

Research Interests

  • Agricultural pollution, especially pesticide and nitrate pollution
  • Carbon biogeochemistry especially of peats and rivers
  • Contaminant hydrology
  • Environmental chemistry

Selected Publications

Journal papers: academic

  • Worrall, F, Burt, T.P., Howden, N.J.K & Whelan, M.J. (2012). The fluvial flux of nitrate from the UK terrestrial biosphere – An estimate of national-scale in-stream nitrate loss using an export coefficient model. Journal of Hydrology 414-415: 31-39.
  • Worrall, F.,, Clay, G.D.,, Burt, T.P., & Rose, R., (2012). The multi-annual nitrogen budget of a peat-covered catchment – changing from sink to source?. Science of the Total Environment 433: 176-188.
  • Worrall, F., Rowson, J. G., Evans, M. G., Pawson, R., Daniels, S. & Bonn, A. (2011). Carbon fluxes from eroding peatlands – the carbon benefit of revegetation following wildfire. Earth Surface Processes and Landforms 36(11): 1487-1498.
  • Bell, M.J. & Worrall, F (2011). Charcoal addition to soils in NE England: A carbon sink with environmental co-benefits? Science of the Total Environment 409(9): 1704-1714.
  • Clay, G.D. & Worrall, F (2011). Charcoal production in a UK moorland wildfire - How important is it? Journal of Environmental Management 92(3): 676-682.
  • Fitton, N., Ejerenwa, C. P., Bhogal, A., Edgington, P., Black, H., Lilly, A., Barraclough, D., Worrall, F., Hillier, J. & Smith, P. (2011). Greenhouse gas mitigation potential of agricultural land in Great Britain. Soil Use and Management 27(4): 491-501.
  • Howden, N.J.K., Burt, T.P., Worrall, F & Whelan, M.J. (2011). Monitoring fluvial water chemistry for trend detection: hydrological variability masks trends in datasets covering fewer than 12 years. Journal of Environmental Monitoring 13(3): 514-521.
  • Burt, T.P., Howden, N.J.K, Worrall, F & Whelan, M.J. (2011). Nitrate in United Kingdom Rivers: Policy and Its Outcomes Since 1970. Environmental Science and Technology 45(1): 175-181.
  • Burt, T.P., Howden, N.J.K, Worrall, F & McDonnell, J.J. (2011). On the value of long-term, low-frequency water quality sampling: avoiding throwing the baby out with the bathwater. Hydrological Processes 25(5): 828-830.
  • Bell, M. J. Worrall, F., Smith, Pete, Bhogal, Anne, Black, Helaina, Lilly, Allan, Barraclough, Declan & Merrington, Graham (2011). UK land-use change and its impact on SOC: 1925–2007. Global Biogeochemical Cycles 25: GB4015.
  • Worrall, F, Bell, M.J. & Bhogal, A (2010). Assessing the probability of carbon and greenhouse gas benefit from the management of peat soils. Science of the Total Environment 408(13): 2657-2666.
  • Billett, M.F., Charman, D.J., Clark, J.M., Evans, C.D., Evans, M.G., Ostle, N.J., Worrall, F, Burden, A, Dinsmore, K.J., Jones, T., McNamara, N.P., Parry, L, Rowson, J.G. & Rose, R (2010). Carbon balance of UK peatlands: current state of knowledge and future research challenges. Climate Research 45(1): 13-29.
  • Clay, G.D., Worrall, F & Rose, R (2010). Carbon budgets of an upland blanket bog managed by prescribed fire. Journal of Geophysical Research - Biogeosciences 115: Art No. G04037.
  • Clay, G.D., Worrall, F & Fraser, E.D.G. (2010). Compositional changes in soil water and runoff water following managed burning on a UK upland blanket bog. Journal of Hydrology 380(1-2): 135-145.
  • Smith, P, Bhogal, A, Edgington, P, Black, H, Lilly, A, Barraclough, D, Worrall, F, Hillier, J & Merrington, G (2010). Consequences of feasible future agricultural land-use change on soil organic carbon stocks and greenhouse gas emissions in Great Britain. Soil Use and Management 26(4): 381-398.
  • Worrall, F & Burt, T.P. (2010). Has the composition of fluvial DOC changed? Spatiotemporal patterns in the DOC-color relationship. Global Biogeochemical Cycles 24: Art No. GB1010.
  • Burt, T.P., Howden, N.J.K., Worrall, F & Whelan, M.J. (2010). Long-term monitoring of river water nitrate: how much data do we need? Journal of Environmental Monitoring 12(1): 71-79.
  • Clark, J.M., Billett, M.F., Coyle, M, Croft, S, Daniels, S, Evans, C.D., Evans, M, Freeman, C, Gallego-Sala, A.V., Heinemeyer, A, House, J.I., Montieht, D.T., Nayak, D, Orr, H.G., Prentice, I.C., Rose, R, Roswon, J, Smith, J.U., Smith, P, Tun, Y.M., Vanguelova, E, Wetterhall, F & Worrall, F (2010). Model inter-comparison between statistical and dynamic model assessments of the long-term stability of blanket peat in Great Britain (1940-2099). Climate Research 45(1): 227-U281.
  • Howden, N.J.K, Burt, T.P., Worrall, F., Whelan, M.J. & Bieroza, M. (2010). Nitrate concentrations and fluxes in the River Thames over 140 years (1868-2008): are increases irreversible? Hydrological Processes 24(18): 2657-2662.
  • Rowson, J.G., Gibson, H.S., Worrall, F, Ostle, N, Burt, T.P. & Adamson, J.K. (2010). The complete carbon budget of a drained peat catchment. Soil Use and Management 26(3): 261-273.
  • Clay, G.D., Worrall, F. & Fraser, E.D.G (2009). Effects of managed burning upon dissolved organic carbon (DOC) in soil water and runoff water following a managed burn of a UK blanket bog. Journal of Hydrology 367(1-2): 41-51.
  • Worrall, F, Evans, M.G., Bonn, A, Reed, M.S., Chapman, D & Holden, J (2009). Can carbon offsetting pay for upland ecological restoration?. Science of the Total Environment 408(1): 26-36.
  • Worrall, F & Burt, T.P. (2009). Changes in DOC treatability: Indications of compositional changes in DOC trends. Journal of Hydrology 366(1-4): 1-8.
  • Gibson, H.S., Worrall, F, Burt, T.P. & Adamson, J.K. (2009). DOC budgets of drained peat catchments: implications for DOC production in peat soils. Hydrological Processes 23(13): 1901-1911.
  • Bell, M.J. & Worrall, F (2009). Estimating a region's soil organic carbon baseline: The undervalued role of land-management. Geoderma 152(1-2): 74-84.
  • Worrall, F, Burt, T.P., Howden, N.J.K & Whelan, M.J. (2009). Fluvial flux of nitrogen from Great Britain 1974-2005 in the context of the terrestrial nitrogen budget of Great Britain. Global Biogeochemical Cycles 23: GB3017.
  • Clay, G.D, Worrall, F, Clark, E & Fraser, E.D.G. (2009). Hydrological responses to managed burning and grazing in an upland blanket bog. Journal of Hydrology 376(3-4): 486-495.
  • Shepherd, T.J., Chenery, S.R.N., Pashley, V, Lord, R.A., Ander, L.E., Breward, N, Hobbs, S.F., Horstwood, M, Klinck, B.A. & Worrall, F (2009). Regional lead isotope study of a polluted river catchment: River Wear, Northern England, UK. Science of the Total Environment 407(17): 4882-4893.
  • Burt, T.P. & Worrall, F (2009). Stream nitrate levels in a small catchment in south west England over a period of 35 years (1970-2005). Hydrological Processes 23(14): 2056-2068.
  • Worrall, F, Spencer, E & Burt, T.P. (2009). The effectiveness of nitrate vulnerable zones for limiting surface water nitrate concentrations. Journal of Hydrology 370(1-4): 21-28.
  • Worrall, F, Burt, T.P., Rowson, J.G., Warburton, J & Adamson, J.K. (2009). The multi-annual carbon budget of a peat-covered catchment. Science of the Total Environment 407(13): 4084-4094.
  • Burt, T.P., Howden, N.J.K., Worrall, F. & Whelan, M.J. (2008). Importance of long-term monitoring for detecting environmental change: lessons from a lowland river in south east England. Biogeosciences 5(6): 1529-1535.
  • Worrall, F, Burt, T.P. & Adamson, J.K. (2008). Linking pulses of atmospheric deposition to DOC release in an upland peat-covered catchment. Global Biogeochemical Cycles 22(4): Art. No. GB4014.
  • Worrall, F., Burt, T.P. & Adamson, J (2008). Long-term records of dissolved organic carbon flux from peat-covered catchments: evidence for a drought effect? Hydrological Processes 22(16): 3181-3193.
  • Worrall, F, Gibson, H.S. & Burt, T.P. (2008). Production vs. solubility in controlling runoff of DOC from peat soils - The use of an event analysis. Journal of Hydrology 358(1-2): 84-95.
  • Worrall, F & Adamson, J.K. (2008). The effect of burning and sheep grazing on soil water composition in a blanket bog: evidence for soil structural changes? Hydrological Processes 22(14): 2531-2541.
  • Worrall, F & Burt, T.P. (2008). The effect of severe drought on the dissolved organic carbon (DOC) concentration and flux from British rivers. Journal of Hydrology 361(3-4): 262-274.
  • Johnson CD & Worrall F (2007). Zeolite film preparation on and within a muscovite mica by hydrothermal growth, and the potential application of the matrix to metal remediation. Water Research 41: 2229-2235.
  • Johnson CD, Mallon AJ & Worrall F (2007). Adhered zeolite preparation on and within a muscovite mica by hydrothermal growth. Clays and Clay Minerals 54(6): 678-688.
  • Worrall, F, Burt, T.P. & Adamson, J.K. (2007). Change in runoff initiation probability over a severe drought in a peat soil - Implications for flowpaths. Journal of Hydrology 345(1-2): 16-26.
  • Holden J, Shotbolt L, Chapman PJ, Dougill AJ, Hubacek K, Kirkby MJ, Reed MS, Turner AGD & Worrall F (2007). Changing environmental conditions in UK moorlands: a review. Earth Science Reviews 82: 75-100.
  • Worrall, F. & Burt, T.P. (2007). Flux of dissolved organic carbon from U.K. rivers. Global Biogeochemical Cycles 21(1): GB1013.
  • Kannan N, White SM, Worrall F & Whelan MJ (2007). Hydrological modelling of a small catchment using SWAT-2000 – Ensuring correct flow partitioning for contaminant modeling. Journal of Hydrology 334: 64-72.
  • Worrall F, Gibson HS & Burt TP (2007). Modelling the impact of drainage and drain-blocking on dissolved organic carbon release from peatlands. Journal of Hydrology 338(1-2): 15-27.
  • Burt, T.P. & Worrall, F (2007). Non-stationarity in long time series: some curious reversals in the 'memory' effect. 21(25): 3529-3531.
  • Johnson CD & Worrall F (2007). Novel Low Density Granular Adsorbents - Properties of a Composite Matrix from Zeolitisation of Vermiculite. Chemosphere 68: 1153-1162.
  • Worrall, F, Burt, T., Adamson, J, Reed, M, Warburton, J, Armstrong, A & Evans, M (2007). Predicting the future carbon budget of an upland peat catchment. Climatic Change 85(1-2): 139-158.
  • Kannan N, White SM, Worrall F & Whelan MJ (2007). Sensitivity analysis and identification of the best evapotranspiration and runoff options for hydrological modelling in SWAT-2000. Journal of Hydrology 332: 456-466.
  • Worrall, F, Armstrong A & Holden J (2007). Short term impact of peat drain blocking on water colour, dissolved organic carbon concentration and water table depth. Journal of Hydrology 337(2-4): 315-325.
  • Worrall F, Armstrong A & Adamson JK (2007). The effect of burning and sheepgrazing on water table depth and soil water quality in a blanket bog. Journal of Hydrology 339: 1-14.
  • Worrall, F & Burt, T.P. (2007). Trends in DOC concentration in Great Britain. Journal of Hydrology 346(1-2): 81-92.
  • Johnson CD & Worrall F (2007). Zeolitisation of Pumice – Microporous Materials on Macroporous Support Structures Derived From Natural Materials. Journal of Materials Chemistry 17: 476-484.
  • Worrall, F, Burt, T.P & Adamson J (2006). Do nitrogen inputs stimulate dissolved organic carbon production in upland peat bogs?. Global Biogeochemical Cycles 20(3): GB3013.
  • Worrall, F, Burt, T.P & Adamson, J (2006). Long-term changes in hydrological pathways in an upland peat catchment – recovery from severe drought? Journal of Hydrology 321: 5-20.
  • Kannan N, White SM, Worrall F & et al. (2006). Pesticide modelling for a small catchment using SWAT-2000. J. Environmental Science and Health part B – pesticides food contaminants and agricultural wastes 41(7): 1049-1070.
  • Worrall, F, Burt, T.P & Adamson., J (2006). The rate of and controls upon DOC loss in a peat catchment. Journal of Hydrology 321: 311-325.
  • Worrall, F, Burt, T.P & Adamson, J (2006). Trends in drought frequency – the fate of Northern Peatlands. Climatic Change 76(3-4): 339-359.
  • Worrall, F & Burt, T.P (2005). Reconstructing long-term records of dissolved CO2. Hydrol. Process 19: 1791-1806.
  • Worrall, F, Burt, T.P & Adamson, J. (2005). Fluxes of dissolved carbon dioxide and inorganic carbon from an upland peat catchment: implications for soil respiration. Biogeochemistry 73(3): 515-539.
  • Worrall, F, Swank,W.T & Burt, T.P (2005). Fluxes of inorganic carbon from forested catchments. Hydrol. Process 19: 3021-3035.
  • Worrall, F & Burt, T.P (2005). Predicting the future DOC flux form upland peat catchments. Jour. Hydrology 300: 126-139.
  • Worrall, F & Lancaster, A (2005). The release of CO2 from riverwaters – the contribution of excess CO2 from groundwater. Biogeochemistry 76: 299-317.
  • Worrall, F, Burt, T.P & Adamson, J (2004). Can climate change explain increases in DOC flux from upland peat catchments? Science of the Total Environment 326: 95-112.
  • Worrall, F & Burt, T.P. (2004). Time series analysis of long-term river dissolved organic carbon records. Hydrological processes 18(5): 893-911.
  • Worrall, F, Harriman, R, Evans, C.D., Watts, C, Adamson, J, Neal, C, Tipping, E, Burt, T.P, Grieve, I, Montieth, D, Naden, P.S, Nisbet, T, Reynolds, B & Stevens, P (2004). Trends in dissolved organic carbon in UK rivers and lakes. Biogeochemistry 70(3): 369-402.

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