Yet another instance of the models getting it wrong.
Hydrological processes were expected to intensify with warming. The opposite has happened.
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Per a new study, global precipitation intensity, measured in mm/hour per century, has exhibited flat (large precipitation systems) to declining (medium and small systems) trends from 2001 to 2020.
Image Source: Zhang et al., 2023
The de-intensification of the hydrological cycle has also been documented for the second half of the 20th century.
The highest frequency of global-scale extreme rainfall events occurred from 1960-1980 − when there were concerns about cooling.
Since then, the frequency and intensity of rainfall events have “decreased remarkably” (Koutsoyiannis, 2020).
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