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The great majority of Yosemite Valley's widening, for example, was due to joint-controlled rockfall. In fact, only 10% of its widening and 12% of its excavation are thought to be the result of glaciation. [3] Large, relatively unjointed volumes of granite form domes such as Half Dome and monoliths like the 3,604 ft (1,098 m) high El Capitan.
Climate change has reduced the number and size of glaciers around the world. Many Yosemite glaciers, including Merced Glacier, which was discovered by John Muir in 1871 and bolstered his glacial origins theory of the Yosemite area, have disappeared and most of the others have lost up to 75% of their surface area. [13]
Yosemite National Park (/ j oʊ ˈ s ɛ m ɪ t i / yoh-SEM-ih-tee [5]) is a national park of the United States in California. [6] [7] It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest.
The oldest rocks in California date back 1.8 billion years to the Proterozoic and are found in the San Gabriel Mountains, San Bernardino Mountains, and Mojave Desert.The rocks of eastern California formed a shallow continental shelf, with massive deposition of limestone during the Paleozoic, and sediments from this time are common in the Sierra Nevada, Klamath Mountains and eastern Transverse ...
Comprising 1,200 square miles, Yosemite has a lot to offer visitors. “It’s, like, between the natural history, the culture history, the wildlife, the beauty and the size, there’s so much to ...
Climate change and poor planning are making things worse, Kelly Martin writes.
Forest thinning is now being conducted at Yosemite National Park. Environmentalists want it to stop, saying the work was never fully vetted. Yosemite undergoes forest thinning due to wildfire risk ...
Climate change is placing immense pressure on Mariposa Grove, threatening the survival of its iconic trees. From the 1930s to 1990s, large-diameter trees declined by 24% in Yosemite National Park due to water stress. [29] [30] This issue worsened after the 2012–2017 drought, with several sequoias dying from drought and beetle infestations ...