Centre for Sustainable Water Management

Delivery of Phosphorus from Agricultural Sources to Watercourses (PEDAL)

Funder: DEFRA

Cost: £450k

Duration: 2003-2006

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Publications

Peer Reviewed Publications

Beven, K., Heathwaite, A. L., Haygarth, P. M., Walling, D. E., Brazier, R. E. and Withers, P. (2005) On the concept of delivery of sediment and nutrients to stream channels. Hydrological Processes 19:551-556
Brazier, R. E., Schärer, M., Heathwaite, A. L., Beven, K., Scholefield, P., Haygarth, P. M., Hodgkinson, R., Walling, D. E. and Withers, P. (2006). A framework for predicting delivery of phosphorus from agricultural land using a decision-tree approach. IAHS Publ. 306, 514-523.
Brazier, R. E., Heathwaite, A. L. and Lui, S. (2005) Scaling issues relating to phosphorus transfer from land to water in agricultural catchments. J. Hydrology 304: 330-342.
Heathwaite, A. L., Sharpley, A. N., Bechmann, M and Rekolainen, S. (2005) Assessing the risk of agricultural nonpoint source phosphorus pollution. In: Phosphorus: Agriculture and the Environment. (Eds.) J. T. Sims and A. N. Sharpley ASA/CSSA/SSSA monograph, USA (P), 981-1020.

Confererences and Presentations

Heathwaite, A. L. (2007) Understanding Spatial Risk and Uncertainties in the Delivery of Phosphorus from Land to Water. 5th International Phosphorus Workshop, NERI, Denmark, September 2007.
Heathwaite, A. L. (2007) Mitigation Options for Nutrient and Sediment Loss to Water from Land. England Catchment Sensitive Farming Delivery Initiative (ECSFDI) Technical Conference: Practical solutions on farms for tackling diffuse water pollution from agriculture, University of Warwick, 24-25 January 2007.
Scholefield, P., Heathwaite A. L., Hodgkinson, R., Withers, P., Brazier, R. E., Beven, K.J., Walling, D. W and Haygarth, P. M. (2007) Spatial distribution of P mobilisation in agriculture headwater catchments. 5th International Phosphorus Workshop, NERI, Denmark, September.
Heathwaite, A. L. (2006) Is diffuse pollution the Achilles heel of sustainable water management? 9th BHS National Hydrology Symposium, University of Durham, 10-13 September.
Heathwaite, A. L. (2006) Pragmatic Decisions from Uncertain Science. UK-Adapt Workshop, UKWIR, London, 16th January.
Scholefield, P. (2006) Application of fuzzy decision trees in predicting phosphorus retention and delivery in headwater catchments in the UK. British Hydrological Society Pennine Hydrology Group, Newcastle, 24th May
Brazier, R.E., Schärer, M., Heathwaite, A.L., Beven, K.J., Scholefield, P., Haygarth, P., Walling, D., Withers, P. and Hodgkinson, R. (2006) Predicting delivery of phosphorus from agricultural land using a decision-tree approach. IAHS Red Book, Dundee 2006.
Brazier, R.E., Heathwaite, A.L., Beven, K.J., Scholefield, P., Haygarth, P., Walling, D., Withers, P. and Hodgkinson, R. (2006) Presentation of interim findings to Defra steering group of the PEDAL project.
Scholefield, P., Heathwaite L., Schärer M., Brazier R., Walling D., Hodgkinson R., Haygarth, P. and Beven K. (2006) Application of fuzzy decision trees in predicting phosphorus retention and delivery in headwater catchments in the UK, European Geosciences Union 2006, Geophysical Research Abstracts, Vol. 8, 08083, 2006.
Brazier, R.E., Heathwaite, A.L., Beven, K.J., Scholefield, P., Haygarth, P., Walling, D., Withers, P. and Hodgkinson, R. (2005) Defining factors that accelerate or retard delivery of Phosphorus to surface waters. Workshop at the Annual Defra P coordiantion meeting, Birmingham, December 2005.
Heathwaite, A. L. (2005) Mitigation measure to control phosphorus losses. 'Where do Fertilisers go?' ISPRA, Italy, 28-29th June.
Walling, D. E., Brazier, R. E., Schärer, M., Heathwaite, A. L., Beven, K., Scholefield, P., Haygarth, P. M., Hodgkinson, R. and Withers, P. (2006). A framework for predicting delivery of phosphorus from agricultural land using a decision-tree approach. International Symposium on Sediment Dynamics and the Hydromorphology of Fluvial Systems, 3-7 July 2006 Dundee, Scotland
Heathwaite, A. L. (2005) Connectivity: Linking land to water: processes, pathways and risk assessment for water quality. Joint FAO/IAEA Division Nuclear Techniques in Food and Agriculture. International meeting on Water and Land Resources Management within the Plant Rooting Zone for Food and Security and Environmental Sustainability, Vienna 18-20th May 05.
Heathwaite, A. L. (2004) Nutrient risk assessment methodologies. 4th International Phosphorus Workshop, Wageningen, August 16-19.
Heathwaite, A. L. and Scholefield, P. (2005) The PEDAL project. Defra P coordination meeting, Birmingham 12 December.
Heathwaite, A. L. (2004) Evaluating the risk of diffuse pollution from agricultural land. International Nutrient Management Forum, Centre of Excellence in Natural Resource Management, University of Western Australia, Albany, WA, 6th April.