PIB Corner

Interdecadal Pacific Oscillation Behind India’s 5-Decade Long Rainfall Decline

  • In novel approach to understand natural variability factors behind five-decade long rainfall decline till the year 2000 in India, a group of scientists has now examined the differing trends in pre- and post-2000 Indian summer monsoon, its decline and recovery.
  • The variability manifested itself in a decline in monsoon rainfall over north central India starting in the 1950s, which persisted for as long as five decades before a reversal from 1999 onwards.
  • The study found that neither the five-decade long decline before 2000 nor the subsequent increase can be solely explained as a response ....
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