Tag Archives: Sarah Yarnell

Ecogeomorphology: A Transformative Expedition Education

This week, the Center for Watershed Sciences is proud to feature our flagship education course, Ecogeomorphology. What began as a collaboration between then-Professors Jeffrey Mount and Peter Moyle to introduce students to cross-discipline thinking in expedition settings has developed into … Continue reading

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Cue the Frogs! Water signatures, environmental cues and climate change

By Ryan Peek, Helen Dahlke, and Sarah Yarnell An organism’s success relies on responding to environmental cues that trigger activities such as breeding, migration, feeding, predator evasion, etc. Responses can be finely tuned to specific cues, or may require multiple … Continue reading

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Wanted: student scientists looking for inspiration and adventure

By Sarah Yarnell and Ann Willis Every spring for the past 12 years, a class of a dozen or so UC Davis undergraduates ride a river in the American West for a learning adventure like none other in their college … Continue reading

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How dam operators can breathe more life into rivers

By Sarah Yarnell Dams are no friend to biodiversity. Once impounded, a river answers first and foremost to human needs, be it water supply, energy production or flood protection. Releases are measured and timed to satisfy these demands. As a result, … Continue reading

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Hike Tuolumne Meadows — without breaking a sweat

  Opening scene of the Tuolumne Meadows Virtual Hike. Source: UC Davis Center for Watershed Sciences, Google Maps. Take the Tuolumne Meadows Virtual Hike By Sarah Yarnell To enjoy the full sweep of Yosemite’s lush and lovely Tuolumne Meadows, as shown … Continue reading

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Environmental science students rise to storytelling challenge

Trailer for “Stream Macroinvertebrates, A Love Story,” by UC Davis student Kyle Phillips By Sarah Yarnell Every spring for the past 12 years, a class of a dozen or so UC Davis undergraduates ride a river in the American West … Continue reading

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Life springs in Sierra rivers as springtime flows recede

By Sarah Yarnell and Ryan Peek In case you hadn’t heard, the annual Sierra “spring snowmelt recession” has begun. The foothill yellow-legged frog certainly knew. Adapted to the seasonal patterns of California’s climate, this rare frog and other native amphibians, … Continue reading

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Sierra frogs breed insights on river management

By Sarah Yarnell, hydrologist, UC Davis Center for Watershed Sciences When dam operators schedule outflows to satisfy their downstream environmental obligations, they typically want to know, “How much?” How much cold mountain water must Shasta Dam release to preserve the … Continue reading

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