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Deadly heat waves projected in the densely populated agricultural regions of South Asia

Author(s)
Im, Eun-Soon; Pal, Jeremy S.; Eltahir, Elfatih A. B.
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

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Attribution-NonCommercial 2.0 Generic (CC BY-NC 2.0) https://creativecommons.org/licenses/by-nc/2.0/
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Abstract
The risk associated with any climate change impact reflects intensity of natural hazard and level of human vulnerability. Previous work has shown that a wet-bulb temperature of 35°C can be considered an upper limit on human survivability. On the basis of an ensemble of high-resolution climate change simulations, we project that extremes of wet-bulb temperature in South Asia are likely to approach and, in a few locations, exceed this critical threshold by the late 21st century under the business-as-usual scenario of future greenhouse gas emissions. The most intense hazard from extreme future heat waves is concentrated around densely populated agricultural regions of the Ganges and Indus river basins. Climate change, without mitigation, presents a serious and unique risk in South Asia, a region inhabited by about one-fifth of the global human population, due to an unprecedented combination of severe natural hazard and acute vulnerability.
Date issued
2017-08
URI
http://hdl.handle.net/1721.1/113642
Department
Massachusetts Institute of Technology. Department of Civil and Environmental Engineering; Parsons Laboratory for Environmental Science and Engineering (Massachusetts Institute of Technology)
Journal
Science Advances
Publisher
American Association for the Advancement of Science (AAAS)
Citation
Im, Eun-Soon, Jeremy S. Pal, and Elfatih A. B. Eltahir. “Deadly Heat Waves Projected in the Densely Populated Agricultural Regions of South Asia.” Science Advances 3, no. 8 (August 2017): e1603322.
Version: Final published version
ISSN
2375-2548

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