Articles | Volume 14, issue 5
Earth Syst. Sci. Data, 14, 2259–2278, 2022
https://doi.org/10.5194/essd-14-2259-2022

Special issue: Extreme environment datasets for the three poles

Earth Syst. Sci. Data, 14, 2259–2278, 2022
https://doi.org/10.5194/essd-14-2259-2022
Data description paper
12 May 2022
Data description paper | 12 May 2022

A global drought dataset of standardized moisture anomaly index incorporating snow dynamics (SZIsnow) and its application in identifying large-scale drought events

Lei Tian et al.

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Cited articles

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Short summary
We propose a global monthly drought dataset with a resolution of 0.25° from 1948 to 2010 based on a multitype and multiscalar drought index, the standardized moisture anomaly index adding snow processes (SZIsnow). The consideration of snow processes improved its capability, and the improvement is prominent over snow-covered high-latitude and high-altitude areas. This new dataset is well suited to monitoring, assessing, and characterizing drought and is a valuable resource for drought studies.