Climate Change

Lake heatwaves will be ‘hotter and longer’ by the end of the century

Climate change is leaving the lakes in hot water. Image: REUTERS/Emmanuel Foudrot

Ayesha Tandon

Science Journalist, Carbon Brief

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a graph showing how lake heatwaves will be affected by different emissions scenarios
Table showing the average intensity and duration of lake heatwaves in 1970-1999 and in 2070-2099 for the RCP2.6 and RCP8.5 emissions scenarios. Image: Woolway et al (2021)
a chart showing how many lakes may reach a permanent heat wave
The number of lakes – out of 702 total – that reach “permanent heatwave” throughout the 21st century, for three emission scenarios. Image: Woolway et al (2021).
a graph showing the prevalence of lake heatwaves around the world
702 lakes from the global HydroLakes database, divided into nine their climatological seasonal cycles. Image: Woolway et al (2021).
A bass fisherman casts for fish in the toxic blue green algae in the Copco Reservoir in Northern California. Image: Cavan Images / Alamy Stock Photo.
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