Articles | Volume 30, issue 14
https://doi.org/10.5194/hess-30-4611-2026
https://doi.org/10.5194/hess-30-4611-2026
Research article
 | 
21 Jul 2026
Research article |  | 21 Jul 2026

Four decades of full-depth profiles reveal layer-resolved drivers of reservoir thermal regimes and episodic hypolimnetic warming

Chenxi Mi, Bo Gai, Xiangzhen Kong, Yuzhe Jiang, Chun Ngai Chan, and Karsten Rinke

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Short summary
This study examines temperature changes in Rappbode Reservoir, Germany’s largest drinking-water reservoir, over four decades. By analyzing detailed temperature data and weather records, the research shows how factors like sunlight and air temperature impact water temperature at different depths. It also finds that late-season warming in deep waters is mainly caused by water withdrawals. These findings help improve understanding of lake ecosystems and can guide better water resource management.
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