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High-resolution three-dimensional imaging and analysis of rock falls in Yosemite valley, California

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High-resolution three-dimensional imaging and analysis of rock falls in Yosemite valley, California; 2011; Article; Journal; Geosphere; Stock, G. M.; Bawden, G. W.; Green, J. K.; Hanson, E.; Downing, G.; Collins, B. D.; Bond, S.; Leslar, M.

Summary

We present quantitative analyses of recent large rock falls in Yosemite Valley, California, using integrated high-resolution imaging techniques. Rock falls commonly occur from the glacially sculpted granitic walls of Yosemite Valley, modifying this iconic landscape but also posing significant potential hazards and risks. Two large rock falls occurred from the cliff beneath Glacier Point in eastern Yosemite Valley on 7 and 8 October 2008, causing minor injuries and damaging structures in a developed area. We used a combination of gigapixel photography, airborne laser scanning (ALS) data, and ground-based terrestrial laser scanning (TLS) data to characterize the rock-fall detachment surface and adjacent cliff area, quantify the rock-fall [...]

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Type Scheme Key
local-index unknown 70036441
local-pk unknown 70036441
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1130/GES00617.1
series unknown Geosphere

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citationTypeArticle
journalGeosphere
languageEnglish
parts
typevolume
value7
typeissue
value2

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