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Land and Water Resources

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1. Landslide Hazard Regions

Compare and contrast landslide hazards and impact risks in the east coast vs. west coast, tropical vs.polar regions.

2. Landslide Hazard Awareness

Assume you have been hired by a community to make the citizens more aware of the landslide hazard in a very steep topographic area. Outline a plan of action and defend it.

3. Tropical Cyclones

What can be done to reduce damages from tropical cyclones?

4. Engineering Structures

Beach nourishment project: An environmental decision or an economic decision?

5. Slope Development
Discuss the reasons why our society could not prevent slope development.

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Solution Preview

Step 1
The cause of earthquakes in the west coast is intense rainfall but sometimes these are triggered by earthquakes. Landslides occur in Southern California, San Francisco Bay, parts of Northern California, and Sierra Nevada. The main hazard from landslides is destruction of residential houses. In addition, the hazard is damage to railroads, pipelines, electric lines, and roads. In Oregon, landslides occur in Coast Range, coastal Curry County, and northwestern Clackamas County. In this area there is hazard from debris flows, a fast moving, destructive landslide. The key cause of landslides is again continuous rains. In the east coast the main hazard is from tsunamis that could trigger landslides. An important hazard on the east coast is underwater landslides (a). There is a relationship between underwater landslides, earthquakes and tsunamis. Landslides occur in the mountainous regions of Ohio, Indiana, and Kentucky.

In tropical areas tropical storm triggers landslides. The hazard includes that of drowning. In addition, the hazards of tropical landslides include harm to life, property, blocking of roads, blocking of rivers leading to floods, and destruction of agriculture. In the Polar Regions, landslides cause the hazard of increasing growing season snow melt and flash floods. This leads to slope instability.

Step 2
Landslide hazard awareness program will make people in the area identify the risk factors and ask them to take action to reduce hazard from landslides.

The risk factors that make the locality susceptible to landslides is wet coastal climate, mountainous terrain and houses built along crests and bases of slopes. Steep slopes may be susceptible to slope instability. Those homes which are building where there is slope failure are susceptible to landslides. The risk ...

Solution Summary

This solution explains issues related to land and water resources. The sources used are also included in the solution.