• View of Half Dome and Washington Column in Yosemite Valley

    Yosemite

    National Park California

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  • Hantavirus Pulmonary Syndrome Response Continues at Yosemite National Park

    The recent diagnosis of hantavirus pulmonary syndrome (HPS) in several park visitors has prompted Yosemite National Park to scale up public health response and outreach. More »

Study the Scientist: A Social Scientist

Social scientist Bret Meldrum started Resource Management and Science Division's newest branch, Visitor Use and Social Sciences, in 2007. Before working at Yosemite National Park, Meldrum worked with NPS data as a research assistant in his graduate work. (3 minutes 1 second)

 
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View Yosemite's other "Study the Scientist" videos to watch resource rangers describe their jobs.

  • See wildlife biologist Sarah Stock, who specializes in ornithology
  • See fire archeologist Jun Kinoshita, who functions as both a firefighter and an archeologist
  • See botanist Martin Hutten, who specializes in lichens and invasive plants
  • See historical architect George Jaramillo, who preserves the park's historical structures
  • See hydrologist Jim Roche, who protects water resources, including Wild & Scenic Rivers

Did You Know?

Merced River Gorge

Descending from Yosemite Valley, the Merced River becomes a continuous cascade in a narrow gorge littered by massive boulders. Dropping 2,000 feet in 14 miles, canyon walls rise steeply from the river and have many seasonal waterfalls cascading down to the river.