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LATEST NEWS UPDATES | Worst droughts, famines in India due to lack of moisture, says study -Snehal Fernandes

Worst droughts, famines in India due to lack of moisture, says study -Snehal Fernandes

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published Published on Feb 19, 2019   modified Modified on Feb 19, 2019
-Hindustan Times

Previous attempts to study 18th and 19th century droughts have been limited to meteorological droughts caused by failure of rains

A study that reconstructed droughts and famines across India over the last 146 years says lack of moisture in the soil for extended periods of time can be linked to some of the most devastating famines.

Previous attempts to study 18th and 19th century droughts have been limited to meteorological droughts caused by failure of rains. The latest study -- by Indian Institute of Technology, Gandhinagar (IIT-Gn), University of California, and the India Meteorological Department, Pune — for the first time links decline in soil moisture to droughts and famines. It is important because groundwater, which can improve soil moisture during drought, is being depleted rapidly.

“Drought causes depletion of soil moisture and groundwater. Moreover, to replenish soil moisture, groundwater abstraction increases during drought, which further negatively impacts groundwater storage,” said Vimal Mishra of the department of civil engineering, IIT-Gn, co-author of the study.

The study found that between 1870 and 2016 India witnessed seven major soil moisture droughts or agricultural drought periods (1876-1882, 1895-1900, 1908-1924, 1937- 1945, 1982-1990, 1997-2004, and 2011-2015) based on their analysis of severity, area, and duration. Three droughts in 1877, 1896, and 1899 were linked to El Nino when warm temperatures in the Pacific Ocean cause below-normal rains, but barring the famine of 1943, five major famines during 1873-74, 1876, 1877, 1896-97, 1899 were caused by large-scale and severe soil moisture droughts driven by June-September monsoon failures.

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Hindustan Times, 16 February, 2019, https://www.hindustantimes.com/india-news/worst-droughts-famines-in-india-due-to-lack-of-moisture-says-study/story-ibuzatJXVRhXrW47auWRRM.html


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