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PhD Talk: Impact of climate change on the Indus Valley civilisationWhen: Saturday, 29th October 
IndiaSoc brings to you, for the very first time, an exclusive Graduate Talks event where Graduate members of the society will present their research and ideas in a relaxed and informative session. Your own mini 'TED' talks kind of event! Here�s a perfect way to learn about the cutting-edge work of your peers and get to know like-minded people. The very first of our series of Graduate Talks was held on 29th October. The series was opened with a very interesting talk by Yama Dixit, a PhD student at the department of Earth Sciences, who spoke on the Impact of Climate Change on the Indus Valley Civilization. Yama explained to us how she uses the Carbon to Oxygen ratio in shells excavated from a site as a tracer for the amount of rainfall received by the region. She has collected samples from three different landbelts, all falling within the region of the Harappan civilization, and compares the Carbon to Oxygen ratio in her samples with their age, which is determined from radio-carbon dating. Her results so far excitingly reveal that the decline of the Harappan Civilization coincides with a marked decline in rainfall in the region. This indicates that climate change could be one of the major contributors to the dissolution of a very fascinating civilisation. The Speaker : Yama graduated with distinction in Chemistry from Delhi University and did her post-graduation in Environmental Sciences at Jawaharlal Nehru University, India. Yama has focussed on studying whether environmental change was indeed the reason for the collapse of Harappan Civilization by reconstructing the paleoclimatic history of the region. Her research at Cambridge aims to shed light on the nature of the patterns interrelating climate and civilizational activities. Yama is a Gates Cambridge Scholar. Yama presently carries on her research in collaboration with archeologists in India.
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