As snowpack shrinks, Sierra Nevada mountain ponds undergo dramatic change

PHYSorg
Jul 15, 2026, 2:00 pm64 ptsTrending
On a summer afternoon in the Sierra Nevada, a mountain pond can look calm and still, reflecting granite peaks and alpine sky. But beneath the surface, these small, shallow waters are anything but stable. In fact, they are among the most thermally variable aquatic ecosystems on Earth, with water temperatures…

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