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September 22, 2025Proceedings of the National Academy of SciencesOpen Access

Riverine heat waves on the rise, outpacing air heat waves

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Authors

KSKayalvizhi SadayappanLLLi Li

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Overview

Observational study reveals riverine heat waves increased frequency and duration in ecosystems, highlighting climate change effects.

Key Points

  • Riverine heat waves are occurring at double the rate compared to air heat waves, suggesting a rising climate trend.
  • Analysis of consistent water temperature data from 1980 to 2022 indicates riverine heat waves last longer but are less intense than air heat waves.
  • The study employed a deep learning model to reconstruct daily water temperatures across 1471 sites in the contiguous United States.
  • These findings indicate urgent implications for aquatic ecosystems and emphasize the significance of climate change mitigation strategies.

Cite This Study

Sadayappan et al. (2025) studied this question.

synapsesocial.com/papers/68d46fdc31b076d99fa6a690https://doi.org/10.1073/pnas.2503160122
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