Using records spanning over 220 years, the study found that only a 14% drop in the Average annual rainfall led to vast scale socio-economic disruptions and human impacts (famines) over two centuries ago in semi-arid parts of British India (then Bombay and Madras presidencies under the British rule).
The study was conducted by Climate scientists from the University of Colorado-Boulder, US, and Pune-based Indian Institute of Tropical Meteorology (IITM), among others. It was recently published in international journal Nature.
The study assumes significance, especially in the backdrop of below normal
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