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Global groundwater warming due to climate change

Earth Sciences

Global groundwater warming due to climate change

S. A. Benz, D. J. Irvine, et al.

Discover how climate change is causing aquifers, the planet's largest source of unfrozen freshwater, to warm, which could affect millions of people by 2100. This groundbreaking research by Susanne A. Benz, Dylan J. Irvine, Gabriel C. Rau, Peter Bayer, Kathrin Menberg, Philipp Blum, Rob C. Jamieson, Christian Griebler, and Barret L. Kurylyk reveals significant regional temperature variations that impact drinking water safety and ecosystems.

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Playback language: English
Abstract
Aquifers, Earth's largest store of unfrozen freshwater, are warming due to climate change. A global-scale heat-transport model projects a conservative average warming of 2.1 °C between 2000 and 2100 under a medium emissions pathway. Regional variations are significant, impacting stream thermal regimes, ecosystems, water quality, and geothermal potential. By 2100, 77–188 million people may live in areas exceeding drinking water temperature thresholds.
Publisher
Nature Geoscience
Published On
Jun 04, 2024
Authors
Susanne A. Benz, Dylan J. Irvine, Gabriel C. Rau, Peter Bayer, Kathrin Menberg, Philipp Blum, Rob C. Jamieson, Christian Griebler, Barret L. Kurylyk
Tags
aquifers
climate change
freshwater
water quality
thermal regimes
geothermal potential
drinking water

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