! Chapter 1 " Historical Maps in GIS 33

the 100th meridian in a series of geo-graphical expeditions beginning in 1871. George M. Wheeler and his associates car-ried heavy plane tables, surveyors instru-ments, and large-format cameras by wagon and mule across mountains, canyons, and deserts. Their survey points were highly accurate for the time, but the renderings of the topography that linked those points

in a continuous landscape were as much art as science (fi gure 1). When their map is converted into digital form, it can be manipulated and combined with other spa-tial data, such as digital elevation models (fi gure 2). The three-dimensional landscape is more immediately recognizable. It gives us the feel of standing next to the cartog-rapher as he gazed over Yosemite Valley.

Figure 2. Wheelers Yosemite Valley in 3-dDraping the scanned image of the original Yosemite map over modern digital elevation model maps gives the old map a new look and immediacy. The simulated depth of the 3-d terrain model complements the beautiful hachuring of the 1883 map. In this map we used a vertical exaggeration factor of 1.5.

ch01 3 1/3/03, 11:21:52 AM

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Mass Wasting Landforms

M. I. Bursikublearns.buffalo.edu

September 14, 2008

http://ublearns.buffalo.edu

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1. Mass Wasting Landforms

Nomenclature of the different parts of a landslide.

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2. Types of Landslides

The different types of landslides are differentiated by mode of movement and material.

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3. Matrix of Types

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4. Landslide Movement

Landslide Animation 1

http://wwwgeology.nsm.buffalo.edu/mib/Figures/MassWasting/Landslides_Animation.gif

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movie_big_vol.mpgMedia File (video/mpeg)

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Landslide Animation 2

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5. La Conchita, CA, 2005

Open-File Report

http://pubs.usgs.gov/of/2005/1067/508of05-1067.html

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6. Vaiont Dam, Italy, 1963

by D. Petley

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Download the PDF sheet on Vaiont from UBLearns (from UCSB)

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7. Three Gorges Dam, China

News Story

http://www.sacbee.com/111/story/430151.html

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8. Shiveluch Volcano, Kamchatka, Russia

from http://www.kscnet.ru/ivs/

http://www.kscnet.ru/ivs/

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9. Shiveluch Volcano, Kamchatka, Russia

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10. Shiveluch Volcano, Kamchatka, Russia

Mass Wasting LandformsTypes of LandslidesMatrix of TypesLandslide MovementLa Conchita, CA, 2005Vaiont Dam, Italy, 1963Three Gorges Dam, ChinaShiveluch Volcano, Kamchatka, RussiaShiveluch Volcano, Kamchatka, RussiaShiveluch Volcano, Kamchatka, Russia