3 ), indicating that holding AED to its climatological value results in a positive trend.
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The sentences
Here, by developing an ensemble of high-resolution global drought datasets for 1901–2022, we find an increasing trend in drought severity worldwide.
On the basis of the mean of the four high-resolution SPEI datasets (HRSPEI) datasets, the quasi-global average (50° S to 50° N) 6-month SPEI shows a decreasing trend, indicating drying conditions during the period 1981–2022 (Fig. 1 ).