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A new multiscalar drought dataset, SPEIbase, made available to the scientific and management community is presented. The multiscalar of the dataset allows finding the appropriate time scale of interest for a specific application, so potential uses of the dataset range over a wide variety of disciplines. The dataset (in three file) is distributed under an open license. Further work includes updating the dataset past December 2006, depending on the data availability.
Beguerı́a et al. (Fri,) studied this question.