Asian summer monsoon weakening unprecedented: Study

Asian summer monsoon weakening unprecedented: Study

Rainfall from the Asian summer monsoon, which influences water availability, ecosystems and agriculture in India, has been decreasing over the past 80 years, according to a study. Man-made atmospheric pollutants are likely the reason for the decline unprecedented in the last 448 years, said researchers from the University of Arizona in the U.S. The study, published in the journal Geophysical Research Letters, used tree ring records to reconstruct the Asian summer monsoon back to 1566.

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