Tag: Sarah Yarnell
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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 above, you need to head for the high country on the national park’s north side…
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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 for a learning adventure like none other in their college life. Whether rafting the Colorado…
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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, fishes and bottom-dwelling invertebrates are genetically wired to reproduce during the spring snowmelt when river…
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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 Sacramento River’s imperiled winter run of salmon? How much fresh Sierra water must flow out…