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    Author(s): Cheng-Yi Lee
    Date: 2000
    Source: In: Ffolliott, Peter F.; Baker Jr., Malchus B.; Edminster, Carleton B.; Dillon, Madelyn C.; Mora, Karen L., tech. coords. Land Stewardship in the 21st Century: The Contributions of Watershed Management; 2000 March 13-16; Tucson, AZ. Proc. RMRS-P-13. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 287-291.
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (322.72 KB)

    Description

    A study was conducted to investigate the causes of and rock characteristics at three landslide sites in the Tesngwen Reservoir watershed of southern Taiwan. Research methods used included the petrographic microscope, X-ray diffraction (XRD), scanning electron microscope (SEM), inductively coupled plasma spectroscope (ICP), constant head permeameter in triaxial apparatus, surface extensometer, and seismic exploration by wave-refraction processes. Chemical analyses of the rock indicated a higher Na than K content at all three landslide sites; iron normally occurs as Fe3+. The relationships between percolation velocity (V) and gradient (I) were developed for the different sites. A prediction equation for the timing of landslide failure was also developed from surface extensometer measurements.

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    Citation

    Lee, Cheng-Yi. 2000. Studies on rock characteristics and timing of creep at selected landslide sites in Taiwan. In: Ffolliott, Peter F.; Baker Jr., Malchus B.; Edminster, Carleton B.; Dillon, Madelyn C.; Mora, Karen L., tech. coords. Land Stewardship in the 21st Century: The Contributions of Watershed Management; 2000 March 13-16; Tucson, AZ. Proc. RMRS-P-13. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 287-291.

    Keywords

    land stewardship, watershed management, ecosystem-based management, natural resources, conservation, sustainable development, sustainable use

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https://www.fs.usda.gov/treesearch/pubs/42041