2011

1. Crockett, R. G. M. and Holt, C. P. (2011) Standardised Radon Index (SRI): a normalisation of radon data-sets in terms of standard normal variables. Natural Hazards and Earth System Science. 11(7), pp. 1839-1844. 1684-9981.
2. Holt, C. P. (2011) Presidential address. Invited Keynote presented to: International Seminar on Climate Change and Sustainable Resource Management, Department of Geography, University of Madras, Chennai, India, 25-26 February 2011.

2010

1. Crockett, R. G. M. and Holt, C. P. (2010) Standardised radon index: a normalisation of radon data-sets in terms of standard normal variables. Poster presented to: European Geosciences Union General Assembly - Radon and Natural Hazards, Vienna, Austria, 02-07 May 2010.
2. Holt, C. P. (2010) Climate change and temperature extremes. Seminar Presentation presented to: Amrita University, Kochi, India, 29 March 2010.
3. Crockett, R. G. M. and Holt, C. P. (2010) Direct data-transformation calculation of standardised precipitation indices. Poster presented to: European Geosciences Union, General Assembly - Geoscientific Time Series Analysis, Vienna, Austria, 02-07 May 2010.
4. Holt, C. P. (2010) The challenge of water sustainability in India. Paper presented to: International Workshop on Natural Resources and Environmental Management, Chennai, India, 13-14 September 2010.

2007

1. Jones, J. A. A., Mountain, N. C., Pilling, C. G. and Holt, C. P. (2007) Implications of climate change for river regimes in Wales: a comparison of scenarios and models. In: Ferreira, J. P. L. and Vieira, J. M. P. (eds.) Water in Celtic Countries: Quantity, Quality and Climate Variability. Wallingford: IAHS Press. pp. 71-77.
2. Holt, C. P. and Billiald, A. (2007) Water demand, climate and climate change in the Anglian region of the UK – a case study of Hunstanton, Norfolk. In: Robinson, P. J., Jones, A. J. J. and Woo, M.-k. (eds.) Managing Water Resources in a Changing Physical and Social Environment. Rome: Società Geografica Italiana. pp. 47-54.