Articles | Volume 28, issue 9
https://doi.org/10.5194/hess-28-2047-2024
https://doi.org/10.5194/hess-28-2047-2024
Research article
 | 
08 May 2024
Research article |  | 08 May 2024

Assessing decadal- to centennial-scale nonstationary variability in meteorological drought trends

Kyungmin Sung, Max C. A. Torbenson, and James H. Stagge

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Short summary
This study examines centuries of nonstationary trends in meteorological drought and pluvial climatology. A novel approach merges tree-ring proxy data (North American Seasonal Precipitation Atlas – NASPA) with instrumental precipitation datasets by temporally downscaling proxy data, correcting biases, and analyzing shared trends in normal and extreme precipitation anomalies. We identify regions experiencing recent unprecedented shifts towards drier or wetter conditions and shifts in seasonality.