1. Bates, B.C., Kundzewicz, Z.W., Wu, S., Palutikof, J.P., 2008. Climate Change and Water. Technical Paper of the Intergovernmental Panel on Climate Change. IPCC Secretariat, Geneva.
2. Development and utilization of a national web-based chronology of hydrological events;Black;J. Hydrol. Sci.,2004
3. The 1988–1992 drought in its historical perspective;Bryant;Water Environ. J.,1994
4. An extreme value analysis of UK drought and projections of change in the future;Burke;J. Hydrol.,2010
5. Christierson, B.V., Hannaford, J., Lonsdale, K., Parry, S., Rance, J., Wade, S., Jones, P., 2009. Impact of Long Droughts on Water Resources. Environment Agency Science Report SC070079/SR3.