<br />Chapter 3
<br />
<br />Chapter 4
<br />
<br />Chapter 5
<br />
<br />vi
<br />
<br />VULNERABILITY AND IMPACT ....,.,........'.........
<br />
<br />Vulnerability ..,................,........"......,....
<br />Potential Impacts of Landslides on People and Property, . . . . ,
<br />Interrelationship of Landsliding with Other Natural Hazards. . .
<br />Landsliding as Related to Dam Safety, . . . , , . . . . . . , . . , .
<br />Landsliding as Related to Flooding . .. . . .. . . .. , . . . .. . .
<br />Landsliding as Related to Seismic Activity . . . . . , . , , . . , .
<br />EVALUATING AND COMMUNICATING THE HAZARD ,. . , .
<br />Methods of Landslide Evaluation and Analysis. , . . . . , . , . . . . ,
<br />
<br />MapAnalysis . ... ,.... ..... ..",....,.., ,. ..,....
<br />Analysis of Aerial Photography and Imagery. . . , . . . , . . . .
<br />Field Reconnaissance .. .. . .. . , .. .. .. .. , . . .. .. .. . . . .
<br />Aerial Reconnaissance. . . . . . , . . . . , . . . , , . . . , . , . . . . , .
<br />
<br />Drilling. ,. .., . . .,. . .., .... . ... . , .. . , , , . .. . , .. . ,..
<br />Geophysical Studies . . . . . . . . . . . , . . . , . . . . . . . . , . . . . , .
<br />Computerized Landslide Terrain Analysis. , . . . . , . . . . . . .
<br />Instrumentation .....,............,..,...,........
<br />Anticipating the Landslide Hazard . .. .. , .. .. , . . . .. . . .. .. ..
<br />Communicating Landslide Hazard Information . , . . . , . , . . . . . .
<br />Users of Landslide Hazard Information. , . . . , . , . . . . , : . .
<br />Avai1able Maps and Reports. .. , .. , . , . . , . . . .. . . .. . .. .
<br />Sources of Landslide Hazard Information . . . . . . . . . . . . , .
<br />Presenting Landslide Hazard Information by Means of Maps . .
<br />Regional Mapping. . . . . . . . . . , , . . . . , . . , . . , . . . , . . . . , .
<br />Community-Level Mapping ....,.....,. , . . , . . . . . , . .,
<br />Site-Spe<ific~ppmg.................,...,...,..,.
<br />Types of Maps ...,......"....,..,., , . , , , . , . . . . . .
<br />Landslide inventories ...........,..........,...
<br />Landslide-susceptibility maps ",................
<br />Landslide hazard maps.. .. .. . .. , . , , . . .. , . , . . . . .
<br />Mapping in Colorado.......,.,.,.."".........,..
<br />Selection of map scale and format. , . , . , . . . , , . . . , .
<br />
<br />BaSe maps ..,...,. ~ . . . , . , , . . , . . , . . . . . . . . , . . .
<br />Existing hazard mapping .,....,................
<br />InformationTrcuuder......... ,.,..".,. ........,.,.
<br />MITIGATION CONCEPTS AND APPROACHES . . . . . . . , . . . .
<br />Modifying Community Vulnerability ...."..".......,....
<br />
<br />Avoidance ...............,,,......,,..............
<br />Building and Grading Codes. . ... , . . . , . " . . . ". .. . .. ..
<br />Land-Use Regulations ......,.,......"..".,....,.
<br />The Effect of Supreme Comi Decisions on Land-Use
<br />
<br />Regulations. . , . . . . . . , . . . . . , . , , . . . . , . , . . . . . , . . . . . .
<br />Emergency Preparedness ..........,..,.:.....,...,
<br />Modifying the Physical System .., , . .. , .. . . .. . . .. . .. .. . ..
<br />Precautions Concerning Reliance on Physical Methods. . .
<br />Design Considerations and Physical Mitigation Methods. .
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