At the end of the 20th century, a research led by Indian climatologist Krishna Kumar found the significant reverse relationship between El Niño-Southern Oscillation (ENSO) and Indian summer monsoon rainfall (ISMR) had been weakening since the 1970s, impairing the predictability of ISMR.
Since then, the instability of the ENSO-Indian rainfall relationship has been a hot topic in climatology research, but its mechanism remains puzzling.
Recently, a study published in The Innovation, led by Prof. HUANG Ping from the Institute of Atmospheric Physics (IAP) of the Chinese Academy of Sciences, found that the ENSO-Indian rainfall relationship has been restoring since 1999/2000, confirmed by multiple dataset sources.
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