Articles | Volume 21, issue 4
https://doi.org/10.5194/hess-21-1947-2017
https://doi.org/10.5194/hess-21-1947-2017
Research article
 | 
11 Apr 2017
Research article |  | 11 Apr 2017

Testing the use of standardised indices and GRACE satellite data to estimate the European 2015 groundwater drought in near-real time

Anne F. Van Loon, Rohini Kumar, and Vimal Mishra

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Short summary
Summer 2015 was extremely dry in Europe, hampering groundwater supply to irrigation and drinking water. For effective management, the groundwater situation should be monitored in real time, but data are not available. We tested two methods to estimate groundwater in near-real time, based on satellite data and using the relationship between rainfall and historic groundwater levels. The second method gave a good spatially variable representation of the 2015 groundwater drought in Europe.