School of Geography - Faculty of Environment

PRESENTATIONS

• Chapman, P.J., Clark, J.M., Evans, C.E. and Monteith, D.T. (2004) Alternative explanation for increasing DOC concentrations in UK surface waters. American Geophysical Union, San Francisco, December 2004.
• Clark, J.M., Chapman, P.J., Adamson, J.K. and Lane, S.N. (2004) Controls on DOC concentrations in peatlands during droughts. American Geophysical Union, San Francisco, December 2004.
• Clark, J.M., Adamson J., Chapman P. J., Heathwaite, A.L., Kirkby M. (2002) The production of dissolved organic carbon from blanket peat with respect to soil moisture status: The role of severe drought. Biogeomon 2002, 4th International Symposium in Ecosystem Behaviour, University of Reading UK, August 17- 21 2002.
• Chapman, P.J. and Edwards, A.C. (2001) Inorganic and organic losses of nitrogen from upland regions of Britain: Concentrations and fluxes. The Second International Nitrogen Conference on Science and Policy, Washington DC, USA, 14-18 October 2001.
• Chapman, P.J and Edwards, A.C. (2001) Dissolved inorganic and organic nitrogen losses from upland areas: Influence of soil type. Annual British Society of Soil Science Conference, University of Durham, UK, 3-4 September 2001.
• Chapman P.J. and Williams, B.L. (1999) 'Dissolved organic nitrogen in a peaty: Influence of temperature and vegetation cover'  Paper presented at the  British Society of Soil Science Conference on Sustainable Management of Soil Organic Matter, Edinburgh, UK, 15-17 September 1999.
• Chapman, P.J. (1999) 'The nitrogen composition of streams draining moorland and forested catchments: Influence of afforestation on the N cycle in upland ecosystems' IAHS Symposium, Birmingham, UK 19-30 July 1999.
• Chapman, P.J. (1999) 'Factors influencing dissolved organic nitrogen and nitrate in upland streams of Britain' American Society of Limnology and Oceanography Aquatic Sciences Meeting, Santa Fe, USA, 1-5 February 1999
• Chapman P.J. (1998) 'Speciation of nitrogen and phosphorus in surface waters: The significance for sensitive upland streams' Second Euroconference on Environmental Analytical Chemistry, Cordoba, Spain, 31 October-6 November 1998
• Chapman, P.J. (1998) 'Nitrogen concentrations in upland riivers of Britain: the significance of organic nitrogen' Seminar Presentation, Department of Plant and Soil Science, University of Aberdeen, May 1998.
•  Chapman, P.J. (1998) 'Nitrogen content of rivers in upland Britain: Significance of organic nitrogen' Headwater '98, Merano, Italy, 20-24 April 1998.
• Chapman, P.J. (1998) 'Nitrogen concentrations in upland rivers of Britain: the significance of organic nitrogen' Seminar Presentation, Institute of Terrestrial Ecology, Bangor. March 1998.