Articles | Volume 27, issue 5
https://doi.org/10.5194/hess-27-1151-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-1151-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 Mar 2023
Research article |
| 16 Mar 2023
| 16 Mar 2023
Projected changes in droughts and extreme droughts in Great Britain strongly influenced by the choice of drought index
Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, UK
Timothy J. Osborn
Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, UK
Water Security Research Centre, University of East Anglia, Norwich, UK
Nans Addor
Geography, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
Geoff Darch
Anglian Water Ltd., Huntingdon, UK
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Short summary
In an analysis of future drought projections for Great Britain based on the Standardised Precipitation Index and the Standardised Precipitation Evapotranspiration Index, we show that the choice of drought indicator has a decisive influence on the resulting projected changes in drought characteristics, although both result in increased drying. This highlights the need to understand the interplay between increasing atmospheric evaporative demand and drought impacts under a changing climate.
In an analysis of future drought projections for Great Britain based on the Standardised...
